{"eval":{"version":"openagentskill-skill-eval-v1","slug":"masonjames-shadcnblocks-skill","name":"shadcnblocks skill","generated_at":"2026-08-10T18:40:47.182Z","task_input":"Evaluate shadcnblocks skill before installing it in an AI agent workflow","status":"review","score":67,"risk_level":"medium","decision":{"recommendation":"manual_review","reason":"Test manually in an isolated workspace and compare against safer alternatives.","auto_install_allowed":false,"policy":"review","human_review_required":true},"task_fit":{"score":84,"suited_tasks":["GitHub automation workflows","Claude Code teams","builders willing to evaluate younger projects","Inspect repository metadata","Compare code changes","Write concise engineering summaries","Inspect source files","Explain architecture"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"]},"install":{"command":"npx skills add masonjames/shadcnblocks-skill","ready":true,"policy":"review","safety_label":"Avoid automatic install","targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx skills add masonjames/shadcnblocks-skill"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"shadcnblocks skill\" agent skill from https://github.com/masonjames/shadcnblocks-skill. 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: Give Claude Code expert knowledge of 2,500+ shadcn/ui blocks and components. This skill lets Claude intelligently select, install, and compose pre-built UI sections — from landing pages to dashboards to ecommerce flows — so you describe what you want and it picks the right pieces. 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\":\"masonjames-shadcnblocks-skill\",\"task\":\"Install shadcnblocks skill\",\"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 \"shadcnblocks skill\" as a Claude Code skill from https://github.com/masonjames/shadcnblocks-skill. 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: Give Claude Code expert knowledge of 2,500+ shadcn/ui blocks and components. This skill lets Claude intelligently select, install, and compose pre-built UI sections — from landing pages to dashboards to ecommerce flows — so you describe what you want and it picks the right pieces. 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\":\"masonjames-shadcnblocks-skill\",\"task\":\"Install shadcnblocks skill\",\"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 \"shadcnblocks skill\" from https://github.com/masonjames/shadcnblocks-skill 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: Give Claude Code expert knowledge of 2,500+ shadcn/ui blocks and components. This skill lets Claude intelligently select, install, and compose pre-built UI sections — from landing pages to dashboards to ecommerce flows — so you describe what you want and it picks the right pieces. 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\":\"masonjames-shadcnblocks-skill\",\"task\":\"Install shadcnblocks skill\",\"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."}]},"trust":{"score":69,"label":"Manual review","version":"trust-score-v4","evidence":{"stars":"17 GitHub stars","repoActivity":"17 stars, 0 forks","lastPushed":"2mo since push","license":"MIT","repository":"https://github.com/masonjames/shadcnblocks-skill","install":"npx skills add masonjames/shadcnblocks-skill","installSafety":"standard package or runtime install path","permissionSurface":"shell or command execution","documentation":"Strong README/SKILL.md context","agentOutcomes":"No agent outcome data yet"}},"audit":{"score":74,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Manual curator approval: useful shadcn UI workflow. Adoption signal is still low; review generated UI and dependencies.","Low GitHub adoption signal","Quality score needs review","GitHub adoption: 17 GitHub stars","Stars/forks activity: 17 stars, 0 forks; issue activity unavailable in current metadata"]},"safety_gate":{"score":50,"tier":"experimental","label":"Experimental","auto_install_policy":"review","blocked":false,"permission_hints":[{"id":"shell","label":"Shell or command execution","reason":"Skill metadata references terminal, CLI, shell, subprocess, or command execution workflows.","severity":"high"},{"id":"network","label":"Network access","reason":"Skill likely fetches remote pages, APIs, repositories, or external services.","severity":"medium"}],"policy_warnings":["High-risk permission hints: Shell or command execution","Manual curator approval: useful shadcn UI workflow. Adoption signal is still low; review generated UI and dependencies."]},"checks":[{"id":"task_fit","label":"Task fit","status":"pass","score":84,"required_for_auto_install":true,"detail":"Task wording matches this skill metadata.","evidence":["Evaluate shadcnblocks skill before installing it in an AI agent workflow","design-creative","GitHub automation workflows; Claude Code teams; builders willing to evaluate younger projects"]},{"id":"install_path","label":"Install path","status":"pass","score":92,"required_for_auto_install":true,"detail":"Install handoff is available.","evidence":["npx skills add masonjames/shadcnblocks-skill"]},{"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 masonjames/shadcnblocks-skill"]},{"id":"trust_score","label":"Trust score","status":"warn","score":69,"required_for_auto_install":true,"detail":"Potentially useful, but at least one trust signal needs human inspection.","evidence":["Manual review","17 GitHub stars","MIT"]},{"id":"audit_score","label":"Audit score","status":"warn","score":74,"required_for_auto_install":true,"detail":"Needs review","evidence":["Manual curator approval: useful shadcn UI workflow. Adoption signal is still low; review generated UI and dependencies."]},{"id":"agent_safety_gate","label":"Agent safety gate","status":"warn","score":50,"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.","High-risk permission hints: Shell or command execution"]},{"id":"readme_skillmd_completeness","label":"README/SKILL.md completeness","status":"pass","score":94,"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":88,"required_for_auto_install":false,"detail":"2mo since push","evidence":["2mo since push"]},{"id":"permission_surface","label":"Permission surface","status":"warn","score":76,"required_for_auto_install":true,"detail":"shell or command execution","evidence":["Shell or command execution: high","Network access: medium"]},{"id":"alternatives","label":"Alternatives available","status":"pass","score":82,"required_for_auto_install":false,"detail":"Alternative skills are available for comparison.","evidence":["anthropic-frontend-design","design-taste-frontend","emilkowalski-animation-vocabulary","mui-material-ui"]}],"blockers":[],"warnings":["Trust score: Potentially useful, but at least one trust signal needs human inspection.","Audit score: Needs review","Agent safety gate: Sparse or mixed signals. Useful for discovery, but not for autonomous installation.","Permission surface: shell or command execution","High-risk permission hints: Shell or command execution","Manual curator approval: useful shadcn UI workflow. Adoption signal is still low; review generated UI and dependencies.","Low GitHub adoption signal","Quality score needs review","GitHub adoption: 17 GitHub stars","Stars/forks activity: 17 stars, 0 forks; issue activity unavailable in current metadata"],"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."],"do_not_use_when":["teams that need a vendor-supported SLA","production agents without a repository review","Low GitHub adoption signal","Manual curator approval: useful shadcn UI workflow. Adoption signal is still low; review generated UI and dependencies.","High-risk permission hints: Shell or command execution","Quality score needs review","GitHub adoption: 17 GitHub stars","Stars/forks activity: 17 stars, 0 forks; issue activity unavailable in current metadata"],"alternatives":[{"slug":"anthropic-frontend-design","name":"Frontend Design","url":"https://www.openagentskill.com/skills/anthropic-frontend-design","stars":167270,"install_command":"npx skills add anthropics/skills --skill frontend-design","trust_score":91,"audit_score":93},{"slug":"design-taste-frontend","name":"Taste Skill: Anti-Slop Frontend","url":"https://www.openagentskill.com/skills/design-taste-frontend","stars":74674,"install_command":"npx skills add Leonxlnx/taste-skill --skill design-taste-frontend","trust_score":94,"audit_score":96},{"slug":"emilkowalski-animation-vocabulary","name":"Animation Vocabulary","url":"https://www.openagentskill.com/skills/emilkowalski-animation-vocabulary","stars":16544,"install_command":"npx skills@latest add emilkowalski/skills","trust_score":93,"audit_score":95},{"slug":"mui-material-ui","name":"Material Ui","url":"https://www.openagentskill.com/skills/mui-material-ui","stars":98412,"install_command":"npx skills add mui/material-ui","trust_score":92,"audit_score":93}],"machine_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"masonjames-shadcnblocks-skill","name":"shadcnblocks skill","description":"Give Claude Code expert knowledge of 2,500+ shadcn/ui blocks and components. This skill lets Claude intelligently select, install, and   compose pre-built UI sections — from landing pages to dashboards to ecommerce flows — so you describe what you want and it picks the right pieces.","category":"design-creative","url":"https://www.openagentskill.com/skills/masonjames-shadcnblocks-skill","repository":"https://github.com/masonjames/shadcnblocks-skill","github_repo":"masonjames/shadcnblocks-skill"},"suited_tasks":["GitHub automation workflows","Claude Code teams","builders willing to evaluate younger projects","Inspect repository metadata","Compare code changes","Write concise engineering summaries","Inspect source files","Explain architecture"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"],"install":{"command":"npx skills add masonjames/shadcnblocks-skill","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx skills add masonjames/shadcnblocks-skill"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"shadcnblocks skill\" agent skill from https://github.com/masonjames/shadcnblocks-skill. 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: Give Claude Code expert knowledge of 2,500+ shadcn/ui blocks and components. This skill lets Claude intelligently select, install, and compose pre-built UI sections — from landing pages to dashboards to ecommerce flows — so you describe what you want and it picks the right pieces. 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\":\"masonjames-shadcnblocks-skill\",\"task\":\"Install shadcnblocks skill\",\"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 \"shadcnblocks skill\" as a Claude Code skill from https://github.com/masonjames/shadcnblocks-skill. 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: Give Claude Code expert knowledge of 2,500+ shadcn/ui blocks and components. This skill lets Claude intelligently select, install, and compose pre-built UI sections — from landing pages to dashboards to ecommerce flows — so you describe what you want and it picks the right pieces. 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\":\"masonjames-shadcnblocks-skill\",\"task\":\"Install shadcnblocks skill\",\"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 \"shadcnblocks skill\" from https://github.com/masonjames/shadcnblocks-skill 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: Give Claude Code expert knowledge of 2,500+ shadcn/ui blocks and components. This skill lets Claude intelligently select, install, and compose pre-built UI sections — from landing pages to dashboards to ecommerce flows — so you describe what you want and it picks the right pieces. 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\":\"masonjames-shadcnblocks-skill\",\"task\":\"Install shadcnblocks skill\",\"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/masonjames-shadcnblocks-skill/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/masonjames-shadcnblocks-skill"},"trust":{"score":69,"label":"Manual review","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"17 GitHub stars","repoActivity":"17 stars, 0 forks","lastPushed":"2mo since push","license":"MIT","repository":"https://github.com/masonjames/shadcnblocks-skill","install":"npx skills add masonjames/shadcnblocks-skill","installSafety":"standard package or runtime install path","permissionSurface":"shell or command execution","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":["design-creative","shadcn","ui","frontend","components","nextjs"],"known_risks":["Manual curator approval: useful shadcn UI workflow. Adoption signal is still low; review generated UI and dependencies.","Low GitHub adoption signal","Quality score needs review","GitHub adoption: 17 GitHub stars","Stars/forks activity: 17 stars, 0 forks; issue activity unavailable in current metadata"]},"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":74,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Manual curator approval: useful shadcn UI workflow. Adoption signal is still low; review generated UI and dependencies.","Low GitHub adoption signal","Quality score needs review","GitHub adoption: 17 GitHub stars","Stars/forks activity: 17 stars, 0 forks; issue activity unavailable in current metadata"]},"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":64,"label":"Promising"},"supply":{"track":"Design and creative production","scenario":"Design and creative","maintenance":"2mo since push","risk":"Needs review"},"alternative_skills":[{"slug":"anthropic-frontend-design","name":"Frontend Design","url":"https://www.openagentskill.com/skills/anthropic-frontend-design","stars":167270,"install_command":"npx skills add anthropics/skills --skill frontend-design","trust_score":91,"audit_score":93},{"slug":"design-taste-frontend","name":"Taste Skill: Anti-Slop Frontend","url":"https://www.openagentskill.com/skills/design-taste-frontend","stars":74674,"install_command":"npx skills add Leonxlnx/taste-skill --skill design-taste-frontend","trust_score":94,"audit_score":96},{"slug":"emilkowalski-animation-vocabulary","name":"Animation Vocabulary","url":"https://www.openagentskill.com/skills/emilkowalski-animation-vocabulary","stars":16544,"install_command":"npx skills@latest add emilkowalski/skills","trust_score":93,"audit_score":95},{"slug":"mui-material-ui","name":"Material Ui","url":"https://www.openagentskill.com/skills/mui-material-ui","stars":98412,"install_command":"npx skills add mui/material-ui","trust_score":92,"audit_score":93}],"do_not_use_when":["teams that need a vendor-supported SLA","production agents without a repository review","Low GitHub adoption signal","Manual curator approval: useful shadcn UI workflow. Adoption signal is still low; review generated UI and dependencies.","High-risk permission hints: Shell or command execution","Quality score needs review","GitHub adoption: 17 GitHub stars","Stars/forks activity: 17 stars, 0 forks; issue activity unavailable in current metadata"],"agent_contract":{"task_input":"Evaluate shadcnblocks skill before installing it in an AI agent workflow","recommended_action":"Test manually in an isolated workspace and compare against safer alternatives.","install_policy":"review","minimum_review_before_use":["Trust: 69/100 Manual review","Audit: 74/100 Needs review","Safety: 50/100 Avoid automatic install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"masonjames-shadcnblocks-skill (shadcnblocks skill)","install_command":"npx skills add masonjames/shadcnblocks-skill","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":"masonjames-shadcnblocks-skill","task":"Evaluate shadcnblocks skill before installing it in an AI 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/masonjames-shadcnblocks-skill","api":"https://www.openagentskill.com/api/agent/skills/masonjames-shadcnblocks-skill","audit":"https://www.openagentskill.com/skills/masonjames-shadcnblocks-skill/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=masonjames-shadcnblocks-skill&task=Evaluate%20shadcnblocks%20skill%20before%20installing%20it%20in%20an%20AI%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Evaluate%20shadcnblocks%20skill%20before%20installing%20it%20in%20an%20AI%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Evaluate%20shadcnblocks%20skill%20before%20installing%20it%20in%20an%20AI%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/masonjames-shadcnblocks-skill/install","manifest":"https://www.openagentskill.com/api/registry/manifest/masonjames-shadcnblocks-skill"}},"endpoints":{"web":"https://www.openagentskill.com/skills/masonjames-shadcnblocks-skill","api":"https://www.openagentskill.com/api/agent/skills/masonjames-shadcnblocks-skill","eval":"https://www.openagentskill.com/api/agent/evals?slug=masonjames-shadcnblocks-skill","audit":"https://www.openagentskill.com/skills/masonjames-shadcnblocks-skill/audit","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Evaluate%20shadcnblocks%20skill%20before%20installing%20it%20in%20an%20AI%20agent%20workflow&agent=codex&max_risk=medium"}},"meta":{"endpoint":"/api/agent/evals","mode":"skill_eval","purpose":"Pre-install eval contract for a single skill. Agents should read this before installing a reusable skill.","generated_at":"2026-08-10T18:40:47.182Z"}}