{"slug":"browserbase-ui-test","name":"ui-test","description":"AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility, responsive layout, and UX heuristics. Use when the user asks to test UI changes, QA a pull request, audit accessibility, or run exploratory testing. Supports local browser (localhost) and remote Browserbase (deployed sites).","long_description":"---\nname: ui-test\ndescription: \"AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility, responsive layout, and UX heuristics. Use when the user asks to test UI changes, QA a pull request, audit accessibility, or run exploratory testing. Supports local browser (localhost) and remote Browserbase (deployed sites).\"\nlicense: MIT\nmetadata:\n  author: browserbase\n  version: \"0.4.0\"\nallowed-tools: Bash Read Glob Grep Agent\ncompatibility: \"Requires the browse CLI (`npm install -g browse`). For remote testing: BROWSERBASE_API_KEY and cookie-sync skill.\"\n---\n\n# UI Test — Agentic UI Testing Skill\n\nTest UI changes in a real browser. Your job is to **try to break things**, not confirm they work.\n\nThree workflows:\n- **Diff-driven** — analyze a git diff, test only what changed\n- **Exploratory** — navigate the app, find bugs the developer didn't think about\n- **Parallel** — fan out independent test groups across multiple Browserbase browsers\n\n## How Testing Works\n\nThe main agent **coordinates** — it plans test strategy, delegates to sub-agents, and merges results. Sub-agents do the actual browser testing.\n\n### Planning: multiple angles, then execute once\n\n**You MUST complete all three planning rounds yourself and output them before launching any sub-agents.** Planning happens in your own response — it is NOT delegated to sub-agents. Do not skip ahead to execution.\n\n**Round 1 — Functional:** What are the core user flows? What should work? Write out each test as: action → expected result.\n\n**Round 2 — Adversarial:** Re-read Round 1. What did you miss? Think about: different user types/roles, error paths, empty states, race conditions, edge inputs (empty, huge, special chars, rapid clicks).\n\n**Round 3 — Coverage gaps:** Re-read Rounds 1–2. What about: accessibility (axe-core, keyboard-only), mobile viewports, console errors, visual consistency with the rest of the app?\n\n**Deduplicate:** Merge all three rounds into one numbered list of tests. Remove overlaps. Assign each test to a group (e.g. Group A, Group B).\n\n**Then execute once** — launch one sub-agent per group. Each sub-agent receives its specific list of tests to run, nothing more. Sub-agents do not explore or plan — they execute assigned tests and report results.\n\nOutput the three rounds, the merged plan, and the group assignments in your response before calling any Agent tool.\n\n### Principles for splitting work\n\n- **Sub-agents run assigned tests, not open exploration.** The main agent hands each sub-agent a specific numbered list of tests. Sub-agents do not plan, explore, or decide what to test — they execute the list and stop.\n- **The bottleneck is the slowest agent** — split work so no single agent has a disproportionate share. Many small agents > few large ones.\n- **Size the effort to the change** — a single component fix doesn't need many agents or many steps. A full-page redesign does. Let the scope of the diff drive the plan.\n- **No early stopping on failures** — find as many bugs as possible within the assigned tests.\n\n### Giving sub-agents a step budget\n\n**The main agent MUST include an explicit browse step limit in every sub-agent prompt.** Sub-agents do not self-limit — they will run until done unless told otherwise.\n\nAs a rough heuristic: ~25 steps for a few targeted checks, ~40 for a full page with functional + adversarial + a11y, ~75 for multiple pages or a broad category. **Adjust based on what the assigned tests actually require** — these are starting points, not rules.\n\nAs a rough heuristic: ~25 steps for a few targeted checks, ~40 for a full page with functional + adversarial + a11y, ~75 for multiple pages or a broad category. **Adjust based on what the assigned tests actually require** — these are starting points, not rules.\n\nEvery sub-agent prompt must include:\n```\nYou have a budget of N browse steps (each `browse` command = 1 step). Count your steps as you go. When you reach N, stop immediately and report:\n- STEP_PASS/STEP_FAIL for every test you completed\n- STEP_SKIP|<test-id>|budget reached for every test you didn't get to\n\nDo not retry or continue after hitting the budget.\nRun only these tests: [numbered list from the merged plan]\nDo not explore beyond the assigned tests.\nDo NOT generate an HTML report or write any files. Return only step markers and your findings as text.\n```\n\nThe main agent should NOT run `browse` commands itself (except to verify the dev server is up). All testing happens in sub-agents.\n\n**When a sub-agent hits its budget, the main agent accepts the partial results as-is.** Do not re-run or retry the sub-agent. Include SKIPPED tests in the final report so the developer knows what wasn't covered.\n\n### Reporting\n\n**Every sub-agent reports back with:**\n```\nTests: 8 | Passed: 5 | Failed: 2 | Skipped: 1 | Pages visited: 2\n```\n\n**The main agent merges into a final report with:**\n```\nTests: 20 | Passed: 14 | Failed: 4 | Skipped: 2 | Agents: 3 | Pass rate: 70%\n```\n\nDo not report \"steps used\" — browse command counts are implementation plumbing, not a meaningful metric for reviewers.\n\n## Testing Philosophy\n\n**You are an adversarial tester.** Your goal is to find bugs, not prove correctness.\n\n- **Try to break every feature you test.** Don't just check \"does the button exist?\" — click it twice rapidly, submit empty forms, paste 500 characters, press Escape mid-flow.\n- **Test what the developer didn't think about.** Empty states, error recovery, keyboard-only navigation, mobile overflow.\n- **Every assertion must be evidence-based.** Compare before/after snapshots. Check specific elements by ref. Never report PASS without concrete evidence from the accessibility tree or a deterministic check.\n- **Report failures with enough detail to reproduce.** Include the exact action, what you expected, what you got, and a suggested fix.\n\n## Assertion Protocol\n\nEvery test step MUST produce a structured assertion. Do not write freeform \"this looks good.\"\n\n### Step markers\n\nFor each test step, emit exactly one marker:\n\n```\nSTEP_PASS|<step-id>|<evidence>\n```\nor\n```\nSTEP_FAIL|<step-id>|<expected> → <actual>|<screenshot-path>\n```\n\n- `step-id`: short identifier like `homepage-cta`, `form-validation-error`, `modal-cancel`\n- `evidence`: what you observed that proves the step passed (element ref, text content, URL, eval result)\n- `expected → actual`: what you expected vs what you got\n- `screenshot-path`: path to the saved screenshot (failures only — see Screenshot Capture below)\n\n### Screenshot Capture for Failures\n\n**Every STEP_FAIL MUST have an accompanying screenshot** so the developer can see what went wrong visually.\n\nWhen a test step fails:\n\n```bash\n# 1. Take a screenshot immediately after observing the failure\nbrowse screenshot --path .context/ui-test-screenshots/<step-id>.png\n\n# If --path is not supported, take the screenshot and save manually:\nbrowse screenshot\n# The browse CLI will output the screenshot path — move/copy it:\ncp /tmp/browse-screenshot-*.png .context/ui-test-screenshots/<step-id>.png\n```\n\nSetup the screenshot directory at the start of any test run:\n\n```bash\nmkdir -p .context/ui-test-screenshots\n```\n\n**Rules:**\n- File name = step-id (e.g., `double-submit.png`, `axe-audit.png`, `modal-focus-trap.png`)\n- Store in `.context/ui-test-screenshots/` — this directory is gitignored and accessible to the developer and other agents\n- For parallel runs, include the session name: `<session>-<step-id>.png` (e.g., `signup-double-submit.png`)\n- Take the screenshot at the moment of failure — capture the broken state, not after recovery\n- For visual/layout bugs, also screenshot the baseline (working state) for comparison: `<step-id>-baseline.png`\n\n### How to verify (in order of rigor)\n\n1. **Deterministic check** (strongest) — `browse eval` returns structured data you can inspect. Examples: axe-core violation count, `document.title`, form field value, console error array, element count.\n2. **Snapshot element match** — a specific element with a specific role and text exists in the accessibility tree. Check by ref: `@0-12 button \"Save\"`. An element either exists in the tree or it doesn't.\n3. **Before/after comparison** — snapshot before action, act, snapshot after. Verify the tree changed in the expected way (element appeared, disappeared, text changed).\n4. **Screenshot + visual judgment** (weakest) — only for visual-only properties (color, spacing, layout) that the accessibility tree cannot capture. Always accompany with what specifically you're evaluating.\n\n### Before/after comparison pattern\n\nThis is the core verification loop. Use it for every interaction:\n\n```bash\n# 1. BEFORE: capture state\nbrowse snapshot\n# Record: what elements exist, their text, their refs\n\n# 2. ACT: perform the interaction\nbrowse click @0-12\n\n# 3. AFTER: capture new state\nbrowse snapshot\n# Compare: what changed? What appeared? What disappeared?\n\n# 4. ASSERT: emit marker based on comparison\n# If dialog appeared: STEP_PASS|modal-open|dialog \"Confirm\" appeared at @0-20\n# If nothing changed:\nbrowse screenshot --path .context/ui-test-screenshots/modal-open.png\n# STEP_FAIL|modal-open|expected dialog to appear → snapshot unchanged|.context/ui-test-screenshots/modal-open.png\n```\n\n## Setup\n\n```bash\nwhich browse || npm install -g browse\n```\n\n### Avoid permission fatigue\n\nThis skill runs many `browse` commands (snapshots, clicks, evals). To avoid approving each one, add `browse` to your allowed commands:\n\nAdd both patterns to `.claude/settings.json` (project-level) or `~/.claude/settings.json` (user-level):\n```json\n{\n  \"permissions\": {\n    \"allow\": [\n      \"Bash(browse:*)\",\n      \"Bash(BROWSE_SESSION=*)\"\n    ]\n  }\n}\n```\n\nThe first pattern covers plain `browse` commands. The second covers parallel sessions (`BROWSE_SESSION=signup browse open ...`). Both are needed to avoid approval prompts.\n\n## Mode Selection\n\n| Target | Mode | Command | Auth |\n|--------|------|---------|------|\n| `localhost` / `127.0.0.1` | Local | `browse open <url> --local` | None needed (clean isolated local browser by default) |\n| Deployed/staging site | Remote | `browse open <url> --remote` | Browserbase credentials; use contexts where supported |\n\n**Rule: If the target URL contains `localhost` or `127.0.0.1`, pass `--local` on the first `browse open`.**\n\n### Local Mode (default for localhost)\n\n```bash\nbrowse open http://localhost:3000 --local\n```\n\n`browse open ... --local` uses a clean isolated local browser by default, which is best for reproducible localhost QA runs.\n\nUse local-mode variants only when needed:\n\n- `browse open <url> --auto-connect` — auto-discover an existing debuggable local Chrome. Use this only when the test explicitly needs existing local login/cookies/state.\n- `browse open <url> --cdp <port|url>` — attach to a specific CDP target (explicit local browser attach).\n\n### Remote Mode (deployed sites via cookie-sync)\n\n```bash\n# Step 1: Sync cookies from local Chrome to Browserbase\nnode .claude/skills/cookie-sync/scripts/cookie-sync.mjs --domains your-app.com\n# Output: Context ID: ctx_abc123\n\n# Step 2: Open in remote mode with the synced context\nSESSION_JSON=\"$(browse cloud sessions create --context-id ctx_abc123 --persist --keep-alive)\"\nSESSION_ID=\"$(echo \"$SESSION_JSON\" | jq -r .id)\"\nCONNECT_URL=\"$(echo \"$SESSION_JSON\" | jq -r .connectUrl)\"\n\nbrowse open https://staging.your-app.com --cdp \"$CONNECT_URL\"\nbrowse snapshot\n# ... run tests ...\nbrowse stop\nbrowse cloud sessions update \"$SESSION_ID\" --status REQUEST_RELEASE\n```\n\nCookie-sync flags: `--domains`, `--context`, `--verified`, `--proxy \"City,ST,US\"`\n\n## Workflow A: Diff-Driven Testing\n\n### Phase 1: Analyze the diff\n\n```bash\ngit diff --name-only HEAD~1          # or: git diff --name-only / git diff --name-only main...HEAD\ngit diff HEAD~1 -- <file>            # read actual changes\n```\n\nCategorize changed files:\n\n| File pattern | UI impact | What to test |\n|-------------|-----------|-----------","tagline":"AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility, responsive layout, and UX heuristics. Use when the user asks to test UI changes, QA a pull reque","category":"security","tags":["agent-skill"],"author":"browserbase","verified":false,"attribution":{"status":"registry_indexed","statusLabel":"Registry indexed","shortLabel":"REGISTRY INDEXED","sourceLabel":"github candidate review","sourceDetail":"browserbase/skills","creatorName":"browserbase","creatorUrl":"https://github.com/browserbase","sourceUrl":"https://github.com/browserbase/skills/tree/main/skills/ui-test","indexedBy":"OpenAgentSkill community index","claimUrl":"https://www.openagentskill.com/skills/browserbase-ui-test#claim-this-skill","claimCta":"Claim this skill","trustNote":"This listing was indexed from public sources and is not marked official until a maintainer claim is approved.","publicNote":"Attribution links to the public repository or creator profile. Creators can claim the listing to update ownership signals."},"stats":{"stars":3707,"forks":237,"verified_installs":0,"successful_runs":0,"total_outcomes":0,"rating":0,"review_count":0,"quality_score":48.53},"quality":{"score":83,"tier":"strong","label":"Strong","summary":"Solid option that is likely worth shortlisting for production workflows.","signals":[{"label":"GitHub stars","value":"3.7K","tone":"positive"},{"label":"Freshness","value":"4d ago","tone":"positive"},{"label":"Install ready","value":"Yes","tone":"positive"},{"label":"License","value":"MIT","tone":"neutral"}],"warnings":["Minor inconsistency: SKILL.md mentions generating an HTML report in the overview, but sub-agent instructions explicitly forbid writing files or generating reports. Clarify the intended behavior."]},"trust":{"version":"trust-score-v5","score":64,"base_score":72,"outcome_confidence":0,"tier":"review","label":"Sandbox only","summary":"Useful candidate with missing or mixed trust signals. 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Clarify the intended behavior.","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","Dependency/runtime risk: command execution surface, external package install surface","Permission surface: shell or command execution, filesystem or document access"]},"outcomeEvidence":{"total":0,"successes":0,"failures":0,"notRelevant":0,"successRate":null,"installAttempts":0,"riskBlocked":0,"setupRequired":0,"installSuccessRate":null,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"recentSuccessRate":null,"recentFailureRate":null,"uniqueAgents":0,"agentProvenScore":0,"agentProvenLabel":"Needs first agent run","lastOutcomeAt":null,"label":"No agent outcome data yet"},"autoInstall":{"allowed":false,"sandboxRequired":true,"policy":"human_review_before_install","reason":"Compare alternatives before installing."},"outcome_loop":{"version":"openagentskill-agent-outcome-v4","required_after_install":true,"endpoint":"/api/agent/outcome","method":"POST","event_id_source":"feedback.event_id, install_receipt.resolve_event_id, or decision_packet.outcome_feedback.event_id","expected_outcomes":["success","failed","not_relevant","blocked_by_risk","setup_required"],"required_fields":["event_id","skill_slug","task"],"quality_fields":["task_success","output_quality","error_type","human_review_required","used_in_production","workspace","evidence_url","time_to_useful_ms","source_version"],"ranking_inputs_updated":["Trust Score v5 outcome confidence","Agent Proven Score","Resolve ranking task-fit evidence","Skill detail machine-readable metadata","Outcome leaderboard"]},"agent_contract":{"suited_tasks":["security","agent-skill"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI"],"install_command":"npx skills add browserbase/skills --skill ui-test","trust_score":64,"trust_version":"trust-score-v5","risk_level":"medium","do_not_use_when":["Production credentials, payments, or irreversible account changes without explicit human review","Sensitive private data before reviewing repository code, license, and permission surface","Automatic installation in a production workspace"],"before_install":["Read the audit page and machine-readable metadata.","Confirm the install command, license, and permission surface fit the workspace.","Get explicit human approval or choose an alternative before installing."],"after_run":["Report the outcome to /api/agent/outcome using the resolve event id.","Include output_quality, workspace, human_review_required, and evidence_url when available.","Re-resolve before broad production rollout."]},"bestFor":["security","agent-skill"],"doNotUseFor":["Production credentials, payments, or irreversible account changes without explicit human review","Sensitive private data before reviewing repository code, license, and permission surface","Automatic installation in a production workspace"],"knownRisks":["Minor inconsistency: SKILL.md mentions generating an HTML report in the overview, but sub-agent instructions explicitly forbid writing files or generating reports. Clarify the intended behavior.","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","Dependency/runtime risk: command execution surface, external package install surface","Permission surface: shell or command execution, filesystem or document access"],"backward_compatible":{"trust_score_v4":{"version":"trust-score-v4","score":72,"tier":"strong","label":"Strong shortlist","summary":"Good trust signals with a few areas worth checking before rollout."}}},"trust_score_v4":{"version":"trust-score-v4","score":72,"tier":"strong","label":"Strong shortlist","summary":"Good trust signals with a few areas worth checking before rollout.","recommendedAction":"Test in a sandbox workflow and compare its install path with close alternatives.","dimensions":[{"id":"github_adoption","label":"GitHub adoption","score":86,"weight":0.13,"status":"pass","detail":"3.7K GitHub stars"},{"id":"repo_activity","label":"Stars/forks activity","score":77,"weight":0.08,"status":"info","detail":"3.7K stars, 237 forks; issue activity unavailable in current metadata"},{"id":"maintenance","label":"Recent maintenance","score":100,"weight":0.14,"status":"pass","detail":"4d since push"},{"id":"license","label":"License clarity","score":86,"weight":0.09,"status":"pass","detail":"MIT"},{"id":"documentation","label":"README/SKILL.md completeness","score":86,"weight":0.14,"status":"pass","detail":"Metadata includes enough usage and workflow context"},{"id":"dependency_risk","label":"Dependency/runtime risk","score":54,"weight":0.12,"status":"warn","detail":"command execution surface, external package install surface"},{"id":"installability","label":"Install availability","score":92,"weight":0.1,"status":"pass","detail":"npx skills add browserbase/skills --skill ui-test"},{"id":"install_safety","label":"Install command safety","score":92,"weight":0.1,"status":"pass","detail":"standard package or runtime install path"},{"id":"permission_surface","label":"Permission surface","score":48,"weight":0.07,"status":"warn","detail":"shell or command execution, filesystem or document access"},{"id":"repository","label":"Repository evidence","score":86,"weight":0.04,"status":"pass","detail":"https://github.com/browserbase/skills/tree/main/skills/ui-test"},{"id":"review_status","label":"Review status","score":66,"weight":0.05,"status":"info","detail":"AI review data available"},{"id":"agent_outcomes","label":"Agent Proven outcomes","score":54,"weight":0.13,"status":"info","detail":"No agent outcome data yet"}],"checks":[{"status":"pass","label":"GitHub adoption","detail":"3.7K GitHub stars"},{"status":"info","label":"Stars/forks activity","detail":"3.7K stars, 237 forks; issue activity unavailable in current metadata"},{"status":"pass","label":"Recent maintenance","detail":"4d since push"},{"status":"pass","label":"License clarity","detail":"MIT"},{"status":"pass","label":"README/SKILL.md completeness","detail":"Metadata includes enough usage and workflow context"},{"status":"warn","label":"Dependency/runtime risk","detail":"command execution surface, external package install surface"},{"status":"pass","label":"Install availability","detail":"npx skills add browserbase/skills --skill ui-test"},{"status":"pass","label":"Install command safety","detail":"standard package or runtime install path"},{"status":"warn","label":"Permission surface","detail":"shell or command execution, filesystem or document access"},{"status":"pass","label":"Repository evidence","detail":"https://github.com/browserbase/skills/tree/main/skills/ui-test"},{"status":"info","label":"Review status","detail":"AI review data available"},{"status":"info","label":"Agent Proven outcomes","detail":"No agent outcome data yet"},{"status":"warn","label":"Ownership","detail":"No approved owner claim yet"},{"status":"pass","label":"OpenAgentSkill usage","detail":"1 views, 0 install copies"},{"status":"info","label":"Agent outcomes","detail":"No agent outcome data yet"}],"strengths":["AI review approved","Install path is available","Repository evidence is available","Recently maintained repository","Meaningful GitHub adoption signal","Install command has no obvious high-risk pattern"],"warnings":["Minor inconsistency: SKILL.md mentions generating an HTML report in the overview, but sub-agent instructions explicitly forbid writing files or generating reports. Clarify the intended behavior.","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","Dependency/runtime risk: command execution surface, external package install surface","Permission surface: shell or command execution, filesystem or document access"],"evidence":{"stars":"3.7K GitHub stars","repoActivity":"3.7K stars, 237 forks","lastPushed":"4d since push","license":"MIT","repository":"https://github.com/browserbase/skills/tree/main/skills/ui-test","install":"npx skills add browserbase/skills --skill ui-test","installSafety":"standard package or runtime install path","permissionSurface":"shell or command execution, filesystem or document access","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"},"installReadiness":{"ready":true,"command":"npx skills add browserbase/skills --skill ui-test","policy":"human_review_before_install","label":"Human review before install","notes":["Install path is available","Repository evidence is available","License is declared","No Agent Proven outcome evidence yet","4d since push"]},"agentCompatibility":["Codex","Claude Code","Cursor","OpenAgentSkill CLI"],"riskSummary":{"level":"medium","label":"Review before production","notes":["Minor inconsistency: SKILL.md mentions generating an HTML report in the overview, but sub-agent instructions explicitly forbid writing files or generating reports. Clarify the intended behavior.","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","Dependency/runtime risk: command execution surface, external package install surface","Permission surface: shell or command execution, filesystem or document access"]},"outcomeEvidence":{"total":0,"successes":0,"failures":0,"notRelevant":0,"successRate":null,"installAttempts":0,"riskBlocked":0,"setupRequired":0,"installSuccessRate":null,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"recentSuccessRate":null,"recentFailureRate":null,"uniqueAgents":0,"agentProvenScore":0,"agentProvenLabel":"Needs first agent run","lastOutcomeAt":null,"label":"No agent outcome data yet"},"autoInstall":{"allowed":false,"sandboxRequired":true,"policy":"human_review_before_install","reason":"Human review or sandbox validation is required before automatic installation."},"bestFor":["security","agent-skill"],"doNotUseFor":["Production credentials, payments, or irreversible account changes without explicit human review","Sensitive private data before reviewing repository code, license, and permission surface","Automatic installation in a production workspace"],"knownRisks":["Minor inconsistency: SKILL.md mentions generating an HTML report in the overview, but sub-agent instructions explicitly forbid writing files or generating reports. Clarify the intended behavior.","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","Dependency/runtime risk: command execution surface, external package install surface","Permission surface: shell or command execution, filesystem or document access"]},"agent_proven":{"version":"agent-proven-v1","score":0,"tier":"unproven","label":"Needs first agent run","summary":"No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.","metrics":{"totalOutcomes":0,"successfulOutcomes":0,"failedOutcomes":0,"installAttempts":0,"installSuccessRate":null,"successRate":null,"recentSuccessRate":null,"recentFailureRate":null,"riskBlocked":0,"setupRequired":0,"notRelevant":0,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"uniqueAgents":0,"lastOutcomeAt":null},"signals":[],"penalties":["No real agent outcome evidence yet"]},"outcome_stats":null,"safety":{"score":38,"level":"avoid_auto_install","label":"Avoid automatic install","safety_tier":{"tier":"experimental","label":"Experimental","badge":"EXPERIMENTAL","summary":"Sparse or mixed signals. Useful for discovery, but not for autonomous installation.","recommended_action":"Test manually in an isolated workspace and compare against safer alternatives.","auto_install_policy":"review","reasons":["Metadata combines secrets access with shell or command execution","High-risk permission hints: Shell or command execution, Secrets or environment access","38/100 agent safety score"]},"auto_install_allowed":false,"human_review_required":true,"blocked":false,"audit_risk":"needs_review","permission_hints":[{"id":"shell","label":"Shell or command execution","reason":"Skill metadata references terminal, CLI, shell, subprocess, or command execution workflows.","severity":"high"},{"id":"browser","label":"Browser automation","reason":"Skill may drive a browser or interact with web pages.","severity":"medium"},{"id":"network","label":"Network access","reason":"Skill likely fetches remote pages, APIs, repositories, or external services.","severity":"medium"},{"id":"filesystem","label":"Filesystem access","reason":"Skill may read or write project files, documents, generated artifacts, or local workspace state.","severity":"medium"},{"id":"secrets","label":"Secrets or environment access","reason":"Skill metadata references credentials, tokens, environment variables, or secret-bearing workflows.","severity":"high"}],"policy_warnings":["High-risk permission hints: Shell or command execution, Secrets or environment access","Dependency or permission surface needs review"],"constraints_applied":{"max_risk":"medium","needs_install_command":true,"min_stars":0}},"safety_gate":{"tier":"experimental","label":"Experimental","badge":"EXPERIMENTAL","auto_install_policy":"review","auto_install_allowed":false,"blocked":false,"human_review_required":true,"recommended_action":"Test manually in an isolated workspace and compare against safer alternatives.","reasons":["Metadata combines secrets access with shell or command execution","High-risk permission hints: Shell or command execution, Secrets or environment access","38/100 agent safety score"]},"eval":{"version":"openagentskill-skill-eval-v1","status":"failed","score":72,"risk_level":"high","decision":{"recommendation":"do_not_auto_install","reason":"Permission surface: shell or command execution, filesystem or document access","auto_install_allowed":false,"policy":"block","human_review_required":true},"blockers":["Permission surface: shell or command execution, filesystem or document access"],"warnings":["Trust score: Good trust signals with a few areas worth checking before rollout.","Audit score: Needs review","Agent safety gate: Sparse or mixed signals. Useful for discovery, but not for autonomous installation.","High-risk permission hints: Shell or command execution, Secrets or environment access","Dependency or permission surface needs review","Permission surface may require sandboxing","Minor inconsistency: SKILL.md mentions generating an HTML report in the overview, but sub-agent instructions explicitly forbid writing files or generating reports. Clarify the intended behavior.","No explicit limitations or edge cases for the skill itself (e.g., unsupported sites, authentication complexities) are documented.","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","Dependency/runtime risk: command execution surface, external package install surface","Permission surface: shell or command execution, filesystem or document access"],"validation_plan":["Inspect repository, README/SKILL.md, license, and recent commits before production use.","Install in an isolated workspace or sandbox with no production secrets available.","Run the smallest representative task and record files touched, commands run, network access, and outputs.","Compare the selected skill against at least one alternative when the eval status is review or failed.","Promote only after the agent reports a successful verification result and unresolved warnings are accepted."],"checks":[{"id":"task_fit","label":"Task fit","status":"pass","score":94,"required_for_auto_install":true,"detail":"Task wording matches this skill metadata.","evidence":["Evaluate ui-test before installing it in an agent workflow","security","Testing and QA workflows; Claude Code teams; teams that value GitHub adoption signals"]},{"id":"install_path","label":"Install path","status":"pass","score":92,"required_for_auto_install":true,"detail":"Install handoff is available.","evidence":["npx skills add browserbase/skills --skill ui-test"]},{"id":"install_safety","label":"Install command safety","status":"pass","score":92,"required_for_auto_install":true,"detail":"standard package or runtime install path","evidence":["npx skills add browserbase/skills --skill ui-test"]},{"id":"trust_score","label":"Trust score","status":"warn","score":72,"required_for_auto_install":true,"detail":"Good trust signals with a few areas worth checking before rollout.","evidence":["Strong shortlist","3.7K GitHub stars","MIT"]},{"id":"audit_score","label":"Audit score","status":"warn","score":82,"required_for_auto_install":true,"detail":"Needs review","evidence":["Dependency or permission surface needs review"]},{"id":"agent_safety_gate","label":"Agent safety gate","status":"warn","score":38,"required_for_auto_install":true,"detail":"Sparse or mixed signals. Useful for discovery, but not for autonomous installation.","evidence":["Test manually in an isolated workspace and compare against safer alternatives.","Metadata combines secrets access with shell or command execution"]},{"id":"readme_skillmd_completeness","label":"README/SKILL.md completeness","status":"pass","score":86,"required_for_auto_install":false,"detail":"Metadata includes enough usage and workflow context","evidence":["Strong README/SKILL.md context"]},{"id":"license_clarity","label":"License clarity","status":"pass","score":86,"required_for_auto_install":true,"detail":"MIT","evidence":["MIT"]},{"id":"recent_maintenance","label":"Recent maintenance","status":"pass","score":100,"required_for_auto_install":false,"detail":"4d since push","evidence":["4d since push"]},{"id":"permission_surface","label":"Permission surface","status":"fail","score":48,"required_for_auto_install":true,"detail":"shell or command execution, filesystem or document access","evidence":["Shell or command execution: high","Browser automation: medium","Network access: medium"]},{"id":"alternatives","label":"Alternatives available","status":"info","score":55,"required_for_auto_install":false,"detail":"No close alternatives were found in the current shortlist.","evidence":[]}],"endpoints":{"web":"https://www.openagentskill.com/skills/browserbase-ui-test/evals","api":"/api/agent/evals?slug=browserbase-ui-test","text":"/api/agent/evals?slug=browserbase-ui-test&format=text"}},"agent_readable_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"browserbase-ui-test","name":"ui-test","description":"AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility, responsive layout, and UX heuristics. Use when the user asks to test UI changes, QA a pull request, audit accessibility, or run exploratory testing. Supports local browser (localhost) and remote Browserbase (deployed sites).","category":"security","url":"https://www.openagentskill.com/skills/browserbase-ui-test","repository":"https://github.com/browserbase/skills/tree/main/skills/ui-test","github_repo":"browserbase/skills"},"suited_tasks":["Testing and QA workflows","Claude Code teams","teams that value GitHub adoption signals","Run test suites","Capture failures","Report what changed after a fix","Inspect source files","Explain architecture"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","Browser agents","CLI"],"install":{"command":"npx skills add browserbase/skills --skill ui-test","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.3.0/openagentskill-0.3.0.tgz add browserbase-ui-test"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"ui-test\" agent skill from https://github.com/browserbase/skills/tree/main/skills/ui-test. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility, responsive layout, and UX heuristics. Use when the user asks to test UI changes, QA a pull request, audit accessibility, or run exploratory testing. Supports local browser (localhost) and remote Browserbase (deployed sites). After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"browserbase-ui-test\",\"task\":\"Install ui-test\",\"agent\":\"codex\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"claude-code","label":"Claude Code","kind":"agent-prompt","value":"Add \"ui-test\" as a Claude Code skill from https://github.com/browserbase/skills/tree/main/skills/ui-test. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility, responsive layout, and UX heuristics. Use when the user asks to test UI changes, QA a pull request, audit accessibility, or run exploratory testing. Supports local browser (localhost) and remote Browserbase (deployed sites). After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"browserbase-ui-test\",\"task\":\"Install ui-test\",\"agent\":\"claude-code\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"cursor","label":"Cursor","kind":"agent-prompt","value":"Turn \"ui-test\" from https://github.com/browserbase/skills/tree/main/skills/ui-test into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility, responsive layout, and UX heuristics. Use when the user asks to test UI changes, QA a pull request, audit accessibility, or run exploratory testing. Supports local browser (localhost) and remote Browserbase (deployed sites). After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"browserbase-ui-test\",\"task\":\"Install ui-test\",\"agent\":\"cursor\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."}],"handoff_url":"https://www.openagentskill.com/api/skills/browserbase-ui-test/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/browserbase-ui-test"},"trust":{"score":72,"label":"Strong shortlist","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"3.7K GitHub stars","repoActivity":"3.7K stars, 237 forks","lastPushed":"4d since push","license":"MIT","repository":"https://github.com/browserbase/skills/tree/main/skills/ui-test","install":"npx skills add browserbase/skills --skill ui-test","installSafety":"standard package or runtime install path","permissionSurface":"shell or command execution, filesystem or document access","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"},"outcome_evidence":{"total":0,"successes":0,"failures":0,"not_relevant":0,"success_rate":null,"recent_success_rate":null,"recent_failure_rate":null,"install_attempts":0,"install_success_rate":null,"risk_blocked":0,"setup_required":0,"avg_output_quality":null,"production_outcomes":0,"last_outcome_at":null,"label":"No agent outcome data yet"},"auto_install":{"allowed":false,"sandbox_required":true,"reason":"Human review or sandbox validation is required before automatic installation."},"best_for":["security","agent-skill"],"known_risks":["Minor inconsistency: SKILL.md mentions generating an HTML report in the overview, but sub-agent instructions explicitly forbid writing files or generating reports. Clarify the intended behavior.","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","Dependency/runtime risk: command execution surface, external package install surface","Permission surface: shell or command execution, filesystem or document access"]},"agent_proven":{"version":"agent-proven-v1","score":0,"tier":"unproven","label":"Needs first agent run","summary":"No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.","metrics":{"totalOutcomes":0,"successfulOutcomes":0,"failedOutcomes":0,"installAttempts":0,"installSuccessRate":null,"successRate":null,"recentSuccessRate":null,"recentFailureRate":null,"riskBlocked":0,"setupRequired":0,"notRelevant":0,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"uniqueAgents":0,"lastOutcomeAt":null},"signals":[],"penalties":["No real agent outcome evidence yet"]},"audit":{"score":82,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Dependency or permission surface needs review","Permission surface may require sandboxing","Minor inconsistency: SKILL.md mentions generating an HTML report in the overview, but sub-agent instructions explicitly forbid writing files or generating reports. Clarify the intended behavior.","No explicit limitations or edge cases for the skill itself (e.g., unsupported sites, authentication complexities) are documented.","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","Dependency/runtime risk: command execution surface, external package install surface","Permission surface: shell or command execution, filesystem or document access"]},"safety_gate":{"tier":"experimental","label":"Experimental","auto_install_policy":"review","auto_install_allowed":false,"human_review_required":true,"blocked":false,"recommended_action":"Test manually in an isolated workspace and compare against safer alternatives."},"quality":{"score":83,"label":"Strong"},"supply":{"track":"Coding and developer agents","scenario":"Testing and QA","maintenance":"4d since push","risk":"Needs review"},"alternative_skills":[],"do_not_use_when":["teams that need a vendor-supported SLA","production agents without a repository review","Minor inconsistency: SKILL.md mentions generating an HTML report in the overview, but sub-agent instructions explicitly forbid writing files or generating reports. Clarify the intended behavior.","High-risk permission hints: Shell or command execution, Secrets or environment access","Dependency or permission surface needs review","Permission surface may require sandboxing","No explicit limitations or edge cases for the skill itself (e.g., unsupported sites, authentication complexities) are documented.","Quality score needs review"],"agent_contract":{"task_input":"Use ui-test in an agent workflow","recommended_action":"Test manually in an isolated workspace and compare against safer alternatives.","install_policy":"review","minimum_review_before_use":["Trust: 72/100 Strong shortlist","Audit: 82/100 Needs review","Safety: 38/100 Avoid automatic install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"browserbase-ui-test (ui-test)","install_command":"npx skills add browserbase/skills --skill ui-test","risk_summary":"Needs review; Experimental; Review before production","verification_result":"Report the smallest successful task, files touched, warnings, and any missing setup."}},"outcome_feedback":{"endpoint":"https://www.openagentskill.com/api/agent/outcome","method":"POST","requires_resolve_event_id":true,"event_id_source":"Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.","expected_outcomes":["success","failed","not_relevant","blocked_by_risk","setup_required"],"payload_template":{"event_id":"<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>","skill_slug":"browserbase-ui-test","task":"Use ui-test in an agent workflow","agent":"codex","outcome":"success","install_used":true,"risk_blocked":false,"setup_required":false,"task_success":true,"output_quality":4,"error_type":null,"human_review_required":false,"workspace":"sandbox","time_to_useful_ms":120000,"notes":"Report the smallest successful task, setup friction, files touched, and risk notes."}},"endpoints":{"web":"https://www.openagentskill.com/skills/browserbase-ui-test","api":"https://www.openagentskill.com/api/agent/skills/browserbase-ui-test","audit":"https://www.openagentskill.com/skills/browserbase-ui-test/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=browserbase-ui-test&task=Use%20ui-test%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20ui-test%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20ui-test%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/browserbase-ui-test/install","manifest":"https://www.openagentskill.com/api/registry/manifest/browserbase-ui-test"}},"machine_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"browserbase-ui-test","name":"ui-test","description":"AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility, responsive layout, and UX heuristics. Use when the user asks to test UI changes, QA a pull request, audit accessibility, or run exploratory testing. Supports local browser (localhost) and remote Browserbase (deployed sites).","category":"security","url":"https://www.openagentskill.com/skills/browserbase-ui-test","repository":"https://github.com/browserbase/skills/tree/main/skills/ui-test","github_repo":"browserbase/skills"},"suited_tasks":["Testing and QA workflows","Claude Code teams","teams that value GitHub adoption signals","Run test suites","Capture failures","Report what changed after a fix","Inspect source files","Explain architecture"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","Browser agents","CLI"],"install":{"command":"npx skills add browserbase/skills --skill ui-test","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.3.0/openagentskill-0.3.0.tgz add browserbase-ui-test"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"ui-test\" agent skill from https://github.com/browserbase/skills/tree/main/skills/ui-test. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility, responsive layout, and UX heuristics. Use when the user asks to test UI changes, QA a pull request, audit accessibility, or run exploratory testing. Supports local browser (localhost) and remote Browserbase (deployed sites). After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"browserbase-ui-test\",\"task\":\"Install ui-test\",\"agent\":\"codex\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"claude-code","label":"Claude Code","kind":"agent-prompt","value":"Add \"ui-test\" as a Claude Code skill from https://github.com/browserbase/skills/tree/main/skills/ui-test. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility, responsive layout, and UX heuristics. Use when the user asks to test UI changes, QA a pull request, audit accessibility, or run exploratory testing. Supports local browser (localhost) and remote Browserbase (deployed sites). After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"browserbase-ui-test\",\"task\":\"Install ui-test\",\"agent\":\"claude-code\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."},{"id":"cursor","label":"Cursor","kind":"agent-prompt","value":"Turn \"ui-test\" from https://github.com/browserbase/skills/tree/main/skills/ui-test into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility, responsive layout, and UX heuristics. Use when the user asks to test UI changes, QA a pull request, audit accessibility, or run exploratory testing. Supports local browser (localhost) and remote Browserbase (deployed sites). After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"browserbase-ui-test\",\"task\":\"Install ui-test\",\"agent\":\"cursor\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes."}],"handoff_url":"https://www.openagentskill.com/api/skills/browserbase-ui-test/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/browserbase-ui-test"},"trust":{"score":72,"label":"Strong shortlist","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"3.7K GitHub stars","repoActivity":"3.7K stars, 237 forks","lastPushed":"4d since push","license":"MIT","repository":"https://github.com/browserbase/skills/tree/main/skills/ui-test","install":"npx skills add browserbase/skills --skill ui-test","installSafety":"standard package or runtime install path","permissionSurface":"shell or command execution, filesystem or document access","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"},"outcome_evidence":{"total":0,"successes":0,"failures":0,"not_relevant":0,"success_rate":null,"recent_success_rate":null,"recent_failure_rate":null,"install_attempts":0,"install_success_rate":null,"risk_blocked":0,"setup_required":0,"avg_output_quality":null,"production_outcomes":0,"last_outcome_at":null,"label":"No agent outcome data yet"},"auto_install":{"allowed":false,"sandbox_required":true,"reason":"Human review or sandbox validation is required before automatic installation."},"best_for":["security","agent-skill"],"known_risks":["Minor inconsistency: SKILL.md mentions generating an HTML report in the overview, but sub-agent instructions explicitly forbid writing files or generating reports. Clarify the intended behavior.","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","Dependency/runtime risk: command execution surface, external package install surface","Permission surface: shell or command execution, filesystem or document access"]},"agent_proven":{"version":"agent-proven-v1","score":0,"tier":"unproven","label":"Needs first agent run","summary":"No agent outcome reports yet. Use Resolve, run one narrow sandbox task, then report the result.","metrics":{"totalOutcomes":0,"successfulOutcomes":0,"failedOutcomes":0,"installAttempts":0,"installSuccessRate":null,"successRate":null,"recentSuccessRate":null,"recentFailureRate":null,"riskBlocked":0,"setupRequired":0,"notRelevant":0,"avgOutputQuality":null,"avgTimeToUsefulMs":null,"productionOutcomes":0,"humanReviewRequired":0,"uniqueAgents":0,"lastOutcomeAt":null},"signals":[],"penalties":["No real agent outcome evidence yet"]},"audit":{"score":82,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Dependency or permission surface needs review","Permission surface may require sandboxing","Minor inconsistency: SKILL.md mentions generating an HTML report in the overview, but sub-agent instructions explicitly forbid writing files or generating reports. Clarify the intended behavior.","No explicit limitations or edge cases for the skill itself (e.g., unsupported sites, authentication complexities) are documented.","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","Dependency/runtime risk: command execution surface, external package install surface","Permission surface: shell or command execution, filesystem or document access"]},"safety_gate":{"tier":"experimental","label":"Experimental","auto_install_policy":"review","auto_install_allowed":false,"human_review_required":true,"blocked":false,"recommended_action":"Test manually in an isolated workspace and compare against safer alternatives."},"quality":{"score":83,"label":"Strong"},"supply":{"track":"Coding and developer agents","scenario":"Testing and QA","maintenance":"4d since push","risk":"Needs review"},"alternative_skills":[],"do_not_use_when":["teams that need a vendor-supported SLA","production agents without a repository review","Minor inconsistency: SKILL.md mentions generating an HTML report in the overview, but sub-agent instructions explicitly forbid writing files or generating reports. Clarify the intended behavior.","High-risk permission hints: Shell or command execution, Secrets or environment access","Dependency or permission surface needs review","Permission surface may require sandboxing","No explicit limitations or edge cases for the skill itself (e.g., unsupported sites, authentication complexities) are documented.","Quality score needs review"],"agent_contract":{"task_input":"Use ui-test in an agent workflow","recommended_action":"Test manually in an isolated workspace and compare against safer alternatives.","install_policy":"review","minimum_review_before_use":["Trust: 72/100 Strong shortlist","Audit: 82/100 Needs review","Safety: 38/100 Avoid automatic install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"browserbase-ui-test (ui-test)","install_command":"npx skills add browserbase/skills --skill ui-test","risk_summary":"Needs review; Experimental; Review before production","verification_result":"Report the smallest successful task, files touched, warnings, and any missing setup."}},"outcome_feedback":{"endpoint":"https://www.openagentskill.com/api/agent/outcome","method":"POST","requires_resolve_event_id":true,"event_id_source":"Use install_receipt.outcome_feedback.event_id or feedback.event_id returned by /api/agent/resolve for the current task.","expected_outcomes":["success","failed","not_relevant","blocked_by_risk","setup_required"],"payload_template":{"event_id":"<install_receipt.outcome_feedback.event_id or feedback.event_id from /api/agent/resolve>","skill_slug":"browserbase-ui-test","task":"Use ui-test in an agent workflow","agent":"codex","outcome":"success","install_used":true,"risk_blocked":false,"setup_required":false,"task_success":true,"output_quality":4,"error_type":null,"human_review_required":false,"workspace":"sandbox","time_to_useful_ms":120000,"notes":"Report the smallest successful task, setup friction, files touched, and risk notes."}},"endpoints":{"web":"https://www.openagentskill.com/skills/browserbase-ui-test","api":"https://www.openagentskill.com/api/agent/skills/browserbase-ui-test","audit":"https://www.openagentskill.com/skills/browserbase-ui-test/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=browserbase-ui-test&task=Use%20ui-test%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20ui-test%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20ui-test%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/browserbase-ui-test/install","manifest":"https://www.openagentskill.com/api/registry/manifest/browserbase-ui-test"}},"supply_profile":{"track":{"slug":"coding","label":"Coding and developer agents","shortLabel":"Coding","description":"Code review, repo analysis, testing, CI, GitHub, DevOps, and developer workflow skills."},"scenario":{"label":"Testing and QA","description":"I need my agent to test a web app, reproduce bugs, and verify fixes.","useCases":[{"slug":"testing-qa","title":"Testing and QA"},{"slug":"coding-agents","title":"Coding agents"},{"slug":"github-automation","title":"GitHub automation"}]},"applicableAgents":["Claude Code","Browser agents","CLI","Codex","Cursor"],"install":{"ready":true,"command":"npx skills add browserbase/skills --skill ui-test","primaryTarget":"CLI","targetCount":4},"githubQuality":{"stars":3707,"starsLabel":"3.7K","forks":237,"license":"MIT","qualityScore":83,"trustScore":72,"auditScore":82},"maintenance":{"status":"fresh","label":"4d since push","daysSincePush":4,"lastPushedAt":"2026-09-02T01:38:06+00:00"},"risk":{"level":"needs_review","label":"Needs review","requiresReview":true,"notes":["Dependency or permission surface needs review","Permission surface may require sandboxing","Minor inconsistency: SKILL.md mentions generating an HTML report in the overview, but sub-agent instructions explicitly forbid writing files or generating reports. Clarify the intended behavior.","No explicit limitations or edge cases for the skill itself (e.g., unsupported sites, authentication complexities) are documented.","Quality score needs review"]},"coverageTags":["Coding","Testing and QA","security","agent-skill"]},"audit":{"audit_score":82,"risk_level":"needs_review","risk_label":"Needs review","quality_score":83,"trust_score":72,"maintenance_score":100,"security_score":75,"install_score":92,"warnings":["Dependency or permission surface needs review","Permission surface may require sandboxing","Minor inconsistency: SKILL.md mentions generating an HTML report in the overview, but sub-agent instructions explicitly forbid writing files or generating reports. Clarify the intended behavior.","No explicit limitations or edge cases for the skill itself (e.g., unsupported sites, authentication complexities) are documented.","Quality score needs review","Permission surface needs review: shell or command execution, filesystem or document access","Dependency/runtime risk: command execution surface, external package install surface","Permission surface: shell or command execution, filesystem or document access"]},"quality_signals":{"model":"v2","star_score":24.98,"usage_score":0,"review_score":5.55,"metadata_score":3,"freshness_score":15},"platforms":["Claude Code","Browser agents"],"use_cases":[{"slug":"testing-qa","title":"Testing and QA","url":"https://www.openagentskill.com/use-cases/testing-qa"},{"slug":"coding-agents","title":"Coding agents","url":"https://www.openagentskill.com/use-cases/coding-agents"},{"slug":"github-automation","title":"GitHub automation","url":"https://www.openagentskill.com/use-cases/github-automation"},{"slug":"browser-automation","title":"Browser automation","url":"https://www.openagentskill.com/use-cases/browser-automation"}],"stacks":[{"slug":"coding-review-agent","title":"Coding review agent","url":"https://www.openagentskill.com/collections/coding-review-agent"},{"slug":"browser-qa-agent","title":"Browser QA agent","url":"https://www.openagentskill.com/collections/browser-qa-agent"},{"slug":"frontend-product-ui","title":"Frontend and UI","url":"https://www.openagentskill.com/collections/frontend-product-ui"}],"install":"npx skills add browserbase/skills --skill ui-test","install_targets":[{"id":"openagentskill-cli","label":"CLI","title":"OpenAgentSkill CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.3.0/openagentskill-0.3.0.tgz add browserbase-ui-test","description":"Resolve policy, run the source installer safely, and report a verified install receipt.","copyLabel":"Copy command"},{"id":"codex","label":"Codex","title":"Codex install prompt","kind":"agent-prompt","value":"Install the \"ui-test\" agent skill from https://github.com/browserbase/skills/tree/main/skills/ui-test. Read its SKILL.md or equivalent instructions first, install only the files needed for this workspace, and summarize any required setup before using it. Skill purpose: AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility, responsive layout, and UX heuristics. Use when the user asks to test UI changes, QA a pull request, audit accessibility, or run exploratory testing. Supports local browser (localhost) and remote Browserbase (deployed sites). After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"browserbase-ui-test\",\"task\":\"Install ui-test\",\"agent\":\"codex\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes.","description":"Give Codex a repo-aware install prompt when the skill is not available through a local CLI.","copyLabel":"Copy prompt"},{"id":"claude-code","label":"Claude Code","title":"Claude Code skill prompt","kind":"agent-prompt","value":"Add \"ui-test\" as a Claude Code skill from https://github.com/browserbase/skills/tree/main/skills/ui-test. Inspect the skill instructions, place the reusable skill files in the appropriate local skills location for this project, and report the activation steps. Skill purpose: AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility, responsive layout, and UX heuristics. Use when the user asks to test UI changes, QA a pull request, audit accessibility, or run exploratory testing. Supports local browser (localhost) and remote Browserbase (deployed sites). After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"browserbase-ui-test\",\"task\":\"Install ui-test\",\"agent\":\"claude-code\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes.","description":"Use this prompt to ask Claude Code to add the skill and explain the local activation steps.","copyLabel":"Copy prompt"},{"id":"cursor","label":"Cursor","title":"Cursor rule prompt","kind":"agent-prompt","value":"Turn \"ui-test\" from https://github.com/browserbase/skills/tree/main/skills/ui-test into a reusable Cursor project rule or agent instruction. Preserve the core workflow, adapt paths to this repo, and keep the rule scoped to tasks where it is relevant. Skill purpose: AI-powered adversarial UI testing via the browse CLI. Analyzes git diffs to test only what changed, or explores the full app to find bugs. Tests functional correctness, accessibility, responsive layout, and UX heuristics. Use when the user asks to test UI changes, QA a pull request, audit accessibility, or run exploratory testing. Supports local browser (localhost) and remote Browserbase (deployed sites). After the install attempt, report the result to https://www.openagentskill.com/api/agent/outcome with POST JSON {\"event_id\":\"install_<unique-id>\",\"skill_slug\":\"browserbase-ui-test\",\"task\":\"Install ui-test\",\"agent\":\"cursor\",\"outcome\":\"success\",\"install_used\":true}. Replace event_id with a unique value and outcome with success or failed. Report success only after the skill is installed and a minimal verification passes.","description":"Use this when installing as Cursor project rules or reusable agent instructions.","copyLabel":"Copy prompt"}],"repository":"https://github.com/browserbase/skills/tree/main/skills/ui-test","github_repo":"browserbase/skills","version":"1.0.0","license":"MIT","urls":{"web":"https://www.openagentskill.com/skills/browserbase-ui-test","repository":"https://github.com/browserbase/skills/tree/main/skills/ui-test","api":"/api/agent/skills/browserbase-ui-test","install_api":"/api/skills/browserbase-ui-test/install"},"meta":{"created_at":"2026-09-02T09:43:07.454445+00:00","updated_at":"2026-09-02T09:43:07.528136+00:00","agent_friendly":true}}