{"slug":"connorgriffin-codebase-design","name":"codebase-design","description":"Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary.","long_description":"---\nname: codebase-design\ndescription: Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary.\n---\n\n# Codebase Design\n\nDesign **deep modules**: a lot of behaviour behind a small interface, placed at a\nclean seam, testable through that interface. Use this language and these\nprinciples wherever code is being designed or restructured. The aim is leverage\nfor callers, locality for maintainers, and testability for everyone.\n\n`references/DESIGN-IT-TWICE.md`'s briefs assume a `CONTEXT.md` glossary (the\n`domain-modeling` skill's format) alongside this vocabulary — load\n`domain-modeling` too when one exists.\n\n## Glossary\n\nUse these terms exactly — don't substitute \"component,\" \"service,\" \"API,\" or\n\"boundary.\" Consistent language is the whole point.\n\n**Module** — anything with an interface and an implementation. Deliberately\nscale-agnostic: a function, class, package, or tier-spanning slice. _Avoid_:\nunit, component, service.\n\n**Interface** — everything a caller must know to use the module correctly: the\ntype signature, but also invariants, ordering constraints, error modes, required\nconfiguration, and performance characteristics. _Avoid_: API, signature (too\nnarrow — they refer only to the type-level surface).\n\n**Implementation** — what's inside a module, its body of code. Distinct from\n**Adapter**: a thing can be a small adapter with a large implementation (a\nPostgres repo) or a large adapter with a small implementation (an in-memory\nfake). Reach for \"adapter\" when the seam is the topic; \"implementation\"\notherwise.\n\n**Depth** — leverage at the interface: the amount of behaviour a caller (or\ntest) can exercise per unit of interface they have to learn. A module is\n**deep** when a large amount of behaviour sits behind a small interface,\n**shallow** when the interface is nearly as complex as the implementation.\n\n**Seam** _(Michael Feathers)_ — a place where you can alter behaviour without\nediting in that place; the *location* at which a module's interface lives.\nWhere to put the seam is its own design decision, distinct from what goes\nbehind it. _Avoid_: boundary (overloaded with DDD's bounded context).\n\n**Adapter** — a concrete thing that satisfies an interface at a seam. Describes\n*role* (what slot it fills), not substance (what's inside).\n\n**Leverage** — what callers get from depth: more capability per unit of\ninterface they learn. One implementation pays back across N call sites and M\ntests.\n\n**Locality** — what maintainers get from depth: change, bugs, knowledge, and\nverification concentrate in one place rather than spreading across callers.\nFix once, fixed everywhere.\n\n## Deep vs shallow\n\n**Deep module** = small interface + lots of implementation:\n\n```\n┌─────────────────────┐\n│   Small Interface   │  ← Few methods, simple params\n├─────────────────────┤\n│                     │\n│  Deep Implementation│  ← Complex logic hidden\n│                     │\n└─────────────────────┘\n```\n\n**Shallow module** = large interface + little implementation (avoid):\n\n```\n┌─────────────────────────────────┐\n│       Large Interface           │  ← Many methods, complex params\n├─────────────────────────────────┤\n│  Thin Implementation            │  ← Just passes through\n└─────────────────────────────────┘\n```\n\nWhen designing an interface, ask:\n\n- Can I reduce the number of methods?\n- Can I simplify the parameters?\n- Can I hide more complexity inside?\n\n## Principles\n\n- **Depth is a property of the interface, not the implementation.** A deep\n  module can be internally composed of small, mockable, swappable parts — they\n  just aren't part of the interface. A module can have **internal seams**\n  (private to its implementation, used by its own tests) as well as the\n  **external seam** at its interface.\n- **The deletion test.** Imagine deleting the module. If complexity vanishes,\n  it was a pass-through. If complexity reappears across N callers, it was\n  earning its keep.\n- **The interface is the test surface.** Callers and tests cross the same seam.\n  If you want to test *past* the interface, the module is probably the wrong\n  shape.\n- **One adapter means a hypothetical seam. Two adapters means a real one.**\n  Don't introduce a seam unless something actually varies across it.\n\n## Designing for testability\n\nGood interfaces make testing natural:\n\n1. **Accept dependencies, don't create them.**\n\n   ```typescript\n   // Testable\n   function processOrder(order, paymentGateway) {}\n\n   // Hard to test\n   function processOrder(order) {\n     const gateway = new StripeGateway();\n   }\n   ```\n\n2. **Return results, don't produce side effects.**\n\n   ```typescript\n   // Testable\n   function calculateDiscount(cart): Discount {}\n\n   // Hard to test\n   function applyDiscount(cart): void {\n     cart.total -= discount;\n   }\n   ```\n\n3. **Small surface area.** Fewer methods = fewer tests needed. Fewer params =\n   simpler test setup.\n\n## Relationships\n\n- A **Module** has exactly one **Interface** (the surface it presents to\n  callers and tests).\n- **Depth** is a property of a **Module**, measured against its **Interface**.\n- A **Seam** is where a **Module**'s **Interface** lives.\n- An **Adapter** sits at a **Seam** and satisfies the **Interface**.\n- **Depth** produces **Leverage** for callers and **Locality** for maintainers.\n\n## Rejected framings\n\n- **Depth as ratio of implementation-lines to interface-lines** (Ousterhout):\n  rewards padding the implementation. We use depth-as-leverage instead.\n- **\"Interface\" as the TypeScript `interface` keyword or a class's public\n  methods**: too narrow — interface here includes every fact a caller must\n  know.\n- **\"Boundary\"**: overloaded with DDD's bounded context. Say **seam** or\n  **interface**.\n\n## Going deeper\n\n- **Deepening a cluster given its dependencies** — see\n  [references/DEEPENING.md](references/DEEPENING.md): dependency categories,\n  seam discipline, and replace-don't-layer testing.\n- **Exploring alternative interfaces** — see\n  [references/DESIGN-IT-TWICE.md](references/DESIGN-IT-TWICE.md): spin up\n  parallel sub-agents to design the interface several radically different\n  ways, then compare on depth, locality, and seam placement. `/design-an-interface`\n  automates this pattern — reach for it directly when you just want the parallel\n  designs run, not the background here.\n","tagline":"Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary.","category":"design-creative","tags":["agent-skill"],"author":"ConnorGriffin","verified":false,"attribution":{"status":"registry_indexed","statusLabel":"Registry indexed","shortLabel":"REGISTRY INDEXED","sourceLabel":"recursive skill source sync","sourceDetail":"ConnorGriffin/skills","creatorName":"ConnorGriffin","creatorUrl":"https://github.com/ConnorGriffin","sourceUrl":"https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design","indexedBy":"OpenAgentSkill community index","claimUrl":"https://www.openagentskill.com/skills/connorgriffin-codebase-design#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. 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no clear license file found.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: filesystem or document access, network or browser access","GitHub adoption: 18 GitHub stars","Stars/forks activity: 18 stars, 5 forks; issue activity unavailable in current metadata","Permission surface: filesystem or document access, network or browser access"],"evidence":{"stars":"18 GitHub stars","repoActivity":"18 stars, 5 forks","lastPushed":"3d since push","license":"NOASSERTION","repository":"https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design","install":"npx skills add ConnorGriffin/skills --skill codebase-design","installSafety":"standard package or runtime install path","permissionSurface":"filesystem or document access, network or browser access","documentation":"Usable metadata, review docs","agentOutcomes":"No agent outcome data yet"},"installReadiness":{"ready":true,"command":"npx skills add ConnorGriffin/skills --skill codebase-design","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","3d since push"]},"agentCompatibility":["Codex","Claude Code","Cursor","OpenAgentSkill CLI"],"riskSummary":{"level":"medium","label":"Review before production","notes":["Repository license is detected as NOASSERTION; no clear license file found.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: filesystem or document access, network or browser access","GitHub adoption: 18 GitHub stars"]},"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":["design-creative","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":["Repository license is detected as NOASSERTION; no clear license file found.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: filesystem or document access, network or browser access","GitHub adoption: 18 GitHub stars","Stars/forks activity: 18 stars, 5 forks; issue activity unavailable in current metadata","Permission surface: filesystem or document access, network or browser 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":54,"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":["Permission surface may require sandboxing","54/100 agent safety score"]},"auto_install_allowed":false,"human_review_required":true,"blocked":false,"audit_risk":"needs_review","permission_hints":[{"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":"database","label":"Database access","reason":"Skill may inspect schemas, query databases, or work with persistent stores.","severity":"medium"}],"policy_warnings":["Permission surface may require sandboxing"],"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":["Permission surface may require sandboxing","54/100 agent safety score"]},"eval":{"version":"openagentskill-skill-eval-v1","status":"review","score":66,"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},"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.","README/SKILL.md completeness: Public metadata needs stronger README/SKILL.md context","Permission surface: filesystem or document access, network or browser access","Permission surface may require sandboxing","Repository license is detected as NOASSERTION; no clear license file found.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: filesystem or document access, network or browser access","GitHub adoption: 18 GitHub stars","Stars/forks activity: 18 stars, 5 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."],"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 codebase-design before installing it in an agent workflow","design-creative","Testing and QA 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 ConnorGriffin/skills --skill codebase-design"]},{"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 ConnorGriffin/skills --skill codebase-design"]},{"id":"trust_score","label":"Trust score","status":"warn","score":68,"required_for_auto_install":true,"detail":"Potentially useful, but at least one trust signal needs human inspection.","evidence":["Manual review","18 GitHub stars","NOASSERTION"]},{"id":"audit_score","label":"Audit score","status":"warn","score":74,"required_for_auto_install":true,"detail":"Needs review","evidence":["Permission surface may require sandboxing"]},{"id":"agent_safety_gate","label":"Agent safety gate","status":"warn","score":54,"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.","Permission surface may require sandboxing"]},{"id":"readme_skillmd_completeness","label":"README/SKILL.md completeness","status":"warn","score":76,"required_for_auto_install":false,"detail":"Public metadata needs stronger README/SKILL.md context","evidence":["Usable metadata, review docs"]},{"id":"license_clarity","label":"License clarity","status":"pass","score":86,"required_for_auto_install":true,"detail":"NOASSERTION","evidence":["NOASSERTION"]},{"id":"recent_maintenance","label":"Recent maintenance","status":"pass","score":100,"required_for_auto_install":false,"detail":"3d since push","evidence":["3d since push"]},{"id":"permission_surface","label":"Permission surface","status":"warn","score":60,"required_for_auto_install":true,"detail":"filesystem or document access, network or browser access","evidence":["Network access: medium","Filesystem access: medium","Database 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/connorgriffin-codebase-design/evals","api":"/api/agent/evals?slug=connorgriffin-codebase-design","text":"/api/agent/evals?slug=connorgriffin-codebase-design&format=text"}},"agent_readable_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"connorgriffin-codebase-design","name":"codebase-design","description":"Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary.","category":"design-creative","url":"https://www.openagentskill.com/skills/connorgriffin-codebase-design","repository":"https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design","github_repo":"ConnorGriffin/skills"},"suited_tasks":["Testing and QA workflows","Claude Code teams","builders willing to evaluate younger projects","Run test suites","Capture failures","Report what changed after a fix","Navigate pages","Click and type safely"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"],"install":{"command":"npx skills add ConnorGriffin/skills --skill codebase-design","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.2.1/openagentskill-0.2.1.tgz install connorgriffin-codebase-design"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"codebase-design\" agent skill from https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design. 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: Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary. 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\":\"connorgriffin-codebase-design\",\"task\":\"Install codebase-design\",\"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 \"codebase-design\" as a Claude Code skill from https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design. 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: Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary. 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\":\"connorgriffin-codebase-design\",\"task\":\"Install codebase-design\",\"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 \"codebase-design\" from https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design 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: Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary. 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\":\"connorgriffin-codebase-design\",\"task\":\"Install codebase-design\",\"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/connorgriffin-codebase-design/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/connorgriffin-codebase-design"},"trust":{"score":68,"label":"Manual review","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"18 GitHub stars","repoActivity":"18 stars, 5 forks","lastPushed":"3d since push","license":"NOASSERTION","repository":"https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design","install":"npx skills add ConnorGriffin/skills --skill codebase-design","installSafety":"standard package or runtime install path","permissionSurface":"filesystem or document access, network or browser access","documentation":"Usable metadata, review docs","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","agent-skill"],"known_risks":["Repository license is detected as NOASSERTION; no clear license file found.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: filesystem or document access, network or browser access","GitHub adoption: 18 GitHub stars","Stars/forks activity: 18 stars, 5 forks; issue activity unavailable in current metadata","Permission surface: filesystem or document access, network or browser 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":74,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Permission surface may require sandboxing","Repository license is detected as NOASSERTION; no clear license file found.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: filesystem or document access, network or browser access","GitHub adoption: 18 GitHub stars","Stars/forks activity: 18 stars, 5 forks; issue activity unavailable in current metadata","Permission surface: filesystem or document access, network or browser 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":59,"label":"Promising"},"supply":{"track":"Design and creative production","scenario":"Design and creative","maintenance":"3d since push","risk":"Needs review"},"alternative_skills":[],"do_not_use_when":["teams that need a vendor-supported SLA","production agents without a repository review","Low GitHub adoption signal","Repository license is detected as NOASSERTION; no clear license file found.","Permission surface may require sandboxing","Quality score needs review","Permission surface needs review: filesystem or document access, network or browser access","GitHub adoption: 18 GitHub stars"],"agent_contract":{"task_input":"Use codebase-design 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: 68/100 Manual review","Audit: 74/100 Needs review","Safety: 54/100 Avoid automatic install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"connorgriffin-codebase-design (codebase-design)","install_command":"npx skills add ConnorGriffin/skills --skill codebase-design","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":"connorgriffin-codebase-design","task":"Use codebase-design 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/connorgriffin-codebase-design","api":"https://www.openagentskill.com/api/agent/skills/connorgriffin-codebase-design","audit":"https://www.openagentskill.com/skills/connorgriffin-codebase-design/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=connorgriffin-codebase-design&task=Use%20codebase-design%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20codebase-design%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20codebase-design%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/connorgriffin-codebase-design/install","manifest":"https://www.openagentskill.com/api/registry/manifest/connorgriffin-codebase-design"}},"machine_metadata":{"version":"openagentskill-agent-metadata-v2","skill":{"slug":"connorgriffin-codebase-design","name":"codebase-design","description":"Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary.","category":"design-creative","url":"https://www.openagentskill.com/skills/connorgriffin-codebase-design","repository":"https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design","github_repo":"ConnorGriffin/skills"},"suited_tasks":["Testing and QA workflows","Claude Code teams","builders willing to evaluate younger projects","Run test suites","Capture failures","Report what changed after a fix","Navigate pages","Click and type safely"],"suited_agents":["Codex","Claude Code","Cursor","OpenAgentSkill CLI","CLI"],"install":{"command":"npx skills add ConnorGriffin/skills --skill codebase-design","ready":true,"targets":[{"id":"openagentskill-cli","label":"CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.2.1/openagentskill-0.2.1.tgz install connorgriffin-codebase-design"},{"id":"codex","label":"Codex","kind":"agent-prompt","value":"Install the \"codebase-design\" agent skill from https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design. 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: Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary. 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\":\"connorgriffin-codebase-design\",\"task\":\"Install codebase-design\",\"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 \"codebase-design\" as a Claude Code skill from https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design. 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: Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary. 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\":\"connorgriffin-codebase-design\",\"task\":\"Install codebase-design\",\"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 \"codebase-design\" from https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design 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: Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary. 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\":\"connorgriffin-codebase-design\",\"task\":\"Install codebase-design\",\"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/connorgriffin-codebase-design/install","manifest_url":"https://www.openagentskill.com/api/registry/manifest/connorgriffin-codebase-design"},"trust":{"score":68,"label":"Manual review","version":"trust-score-v4","install_policy":"human_review_before_install","evidence":{"stars":"18 GitHub stars","repoActivity":"18 stars, 5 forks","lastPushed":"3d since push","license":"NOASSERTION","repository":"https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design","install":"npx skills add ConnorGriffin/skills --skill codebase-design","installSafety":"standard package or runtime install path","permissionSurface":"filesystem or document access, network or browser access","documentation":"Usable metadata, review docs","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","agent-skill"],"known_risks":["Repository license is detected as NOASSERTION; no clear license file found.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: filesystem or document access, network or browser access","GitHub adoption: 18 GitHub stars","Stars/forks activity: 18 stars, 5 forks; issue activity unavailable in current metadata","Permission surface: filesystem or document access, network or browser 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":74,"risk_level":"needs_review","risk_label":"Needs review","warnings":["Permission surface may require sandboxing","Repository license is detected as NOASSERTION; no clear license file found.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: filesystem or document access, network or browser access","GitHub adoption: 18 GitHub stars","Stars/forks activity: 18 stars, 5 forks; issue activity unavailable in current metadata","Permission surface: filesystem or document access, network or browser 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":59,"label":"Promising"},"supply":{"track":"Design and creative production","scenario":"Design and creative","maintenance":"3d since push","risk":"Needs review"},"alternative_skills":[],"do_not_use_when":["teams that need a vendor-supported SLA","production agents without a repository review","Low GitHub adoption signal","Repository license is detected as NOASSERTION; no clear license file found.","Permission surface may require sandboxing","Quality score needs review","Permission surface needs review: filesystem or document access, network or browser access","GitHub adoption: 18 GitHub stars"],"agent_contract":{"task_input":"Use codebase-design 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: 68/100 Manual review","Audit: 74/100 Needs review","Safety: 54/100 Avoid automatic install","Review repository, license, install command, and permission surface before production use."],"expected_agent_output":{"selected_skill":"connorgriffin-codebase-design (codebase-design)","install_command":"npx skills add ConnorGriffin/skills --skill codebase-design","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":"connorgriffin-codebase-design","task":"Use codebase-design 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/connorgriffin-codebase-design","api":"https://www.openagentskill.com/api/agent/skills/connorgriffin-codebase-design","audit":"https://www.openagentskill.com/skills/connorgriffin-codebase-design/audit","eval":"https://www.openagentskill.com/api/agent/evals?slug=connorgriffin-codebase-design&task=Use%20codebase-design%20in%20an%20agent%20workflow&max_risk=medium","resolve":"https://www.openagentskill.com/api/agent/resolve?task=Use%20codebase-design%20in%20an%20agent%20workflow&agent=codex&max_risk=medium","receipt":"https://www.openagentskill.com/api/agent/receipt?task=Use%20codebase-design%20in%20an%20agent%20workflow&agent=codex&max_risk=medium&format=text","install":"https://www.openagentskill.com/api/skills/connorgriffin-codebase-design/install","manifest":"https://www.openagentskill.com/api/registry/manifest/connorgriffin-codebase-design"}},"supply_profile":{"track":{"slug":"design","label":"Design and creative production","shortLabel":"Design","description":"Design assets, images, video, audio, multimodal media, presentation, and creative production skills."},"scenario":{"label":"Design and creative","description":"I need my agent to produce design assets, UI directions, presentations, or creative media workflows.","useCases":[{"slug":"testing-qa","title":"Testing and QA"},{"slug":"browser-automation","title":"Browser automation"},{"slug":"coding-agents","title":"Coding agents"}]},"applicableAgents":["Claude Code","CLI","Codex","Cursor"],"install":{"ready":true,"command":"npx skills add ConnorGriffin/skills --skill codebase-design","primaryTarget":"CLI","targetCount":4},"githubQuality":{"stars":18,"starsLabel":"18","forks":5,"license":"NOASSERTION","qualityScore":59,"trustScore":68,"auditScore":74},"maintenance":{"status":"fresh","label":"3d since push","daysSincePush":3,"lastPushedAt":"2026-08-19T21:25:51+00:00"},"risk":{"level":"needs_review","label":"Needs review","requiresReview":true,"notes":["Permission surface may require sandboxing","Repository license is detected as NOASSERTION; no clear license file found.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: filesystem or document access, network or browser access"]},"coverageTags":["Design","Design and creative","design-creative","agent-skill"]},"audit":{"audit_score":74,"risk_level":"needs_review","risk_label":"Needs review","quality_score":59,"trust_score":68,"maintenance_score":100,"security_score":76,"install_score":92,"warnings":["Permission surface may require sandboxing","Repository license is detected as NOASSERTION; no clear license file found.","Low GitHub adoption signal","Quality score needs review","Permission surface needs review: filesystem or document access, network or browser access","GitHub adoption: 18 GitHub stars","Stars/forks activity: 18 stars, 5 forks; issue activity unavailable in current metadata","Permission surface: filesystem or document access, network or browser access"]},"quality_signals":{"model":"v2","star_score":8.95,"usage_score":0,"review_score":5.1,"metadata_score":3,"freshness_score":15},"platforms":["Claude Code"],"use_cases":[{"slug":"testing-qa","title":"Testing and QA","url":"https://www.openagentskill.com/use-cases/testing-qa"},{"slug":"browser-automation","title":"Browser automation","url":"https://www.openagentskill.com/use-cases/browser-automation"},{"slug":"coding-agents","title":"Coding agents","url":"https://www.openagentskill.com/use-cases/coding-agents"},{"slug":"rag-knowledge","title":"RAG and knowledge","url":"https://www.openagentskill.com/use-cases/rag-knowledge"}],"stacks":[{"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"},{"slug":"coding-review-agent","title":"Coding review agent","url":"https://www.openagentskill.com/collections/coding-review-agent"}],"install":"npx skills add ConnorGriffin/skills --skill codebase-design","install_targets":[{"id":"openagentskill-cli","label":"CLI","title":"OpenAgentSkill CLI","kind":"command","value":"npx --yes https://github.com/Leon-Drq/openagentskill/releases/download/cli-v0.2.1/openagentskill-0.2.1.tgz install connorgriffin-codebase-design","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 \"codebase-design\" agent skill from https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design. 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: Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary. 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\":\"connorgriffin-codebase-design\",\"task\":\"Install codebase-design\",\"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 \"codebase-design\" as a Claude Code skill from https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design. 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: Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary. 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\":\"connorgriffin-codebase-design\",\"task\":\"Install codebase-design\",\"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 \"codebase-design\" from https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design 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: Shared vocabulary for designing deep modules. Use when the user wants to design or improve a module's interface, find deepening opportunities, decide where a seam goes, make code more testable or AI-navigable, or when another skill needs the deep-module vocabulary. 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\":\"connorgriffin-codebase-design\",\"task\":\"Install codebase-design\",\"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/ConnorGriffin/skills/tree/main/skills/codebase-design","github_repo":"ConnorGriffin/skills","version":"1.0.0","license":"NOASSERTION","urls":{"web":"https://www.openagentskill.com/skills/connorgriffin-codebase-design","repository":"https://github.com/ConnorGriffin/skills/tree/main/skills/codebase-design","api":"/api/agent/skills/connorgriffin-codebase-design","install_api":"/api/skills/connorgriffin-codebase-design/install"},"meta":{"created_at":"2026-08-19T22:36:06.274989+00:00","updated_at":"2026-08-19T22:36:06.274989+00:00","agent_friendly":true}}