{"id":43042059,"url":"https://github.com/proflead/codex-skills-library","last_synced_at":"2026-01-31T09:15:14.810Z","repository":{"id":332143306,"uuid":"1130490831","full_name":"proflead/codex-skills-library","owner":"proflead","description":"Codex Skills Library is a curated library of reusable Codex skills for developers, individuals, and teams.","archived":false,"fork":false,"pushed_at":"2026-01-21T12:06:14.000Z","size":59,"stargazers_count":14,"open_issues_count":0,"forks_count":3,"subscribers_count":0,"default_branch":"master","last_synced_at":"2026-01-21T23:59:18.120Z","etag":null,"topics":["codex","codex-cli","codex-skill","codex-skills","codexcli","openai","vibe-coding"],"latest_commit_sha":null,"homepage":"https://proflead.dev/posts/codex-skills-explained-101/","language":null,"has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/proflead.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null,"zenodo":null,"notice":null,"maintainers":null,"copyright":null,"agents":null,"dco":null,"cla":null}},"created_at":"2026-01-08T15:26:49.000Z","updated_at":"2026-01-21T12:06:36.000Z","dependencies_parsed_at":null,"dependency_job_id":null,"html_url":"https://github.com/proflead/codex-skills-library","commit_stats":null,"previous_names":["proflead/codex-skills-library"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/proflead/codex-skills-library","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/proflead%2Fcodex-skills-library","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/proflead%2Fcodex-skills-library/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/proflead%2Fcodex-skills-library/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/proflead%2Fcodex-skills-library/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/proflead","download_url":"https://codeload.github.com/proflead/codex-skills-library/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/proflead%2Fcodex-skills-library/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":28936100,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-01-31T08:53:31.997Z","status":"ssl_error","status_checked_at":"2026-01-31T08:51:38.521Z","response_time":128,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.5:443 state=error: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["codex","codex-cli","codex-skill","codex-skills","codexcli","openai","vibe-coding"],"created_at":"2026-01-31T09:15:14.050Z","updated_at":"2026-01-31T09:15:14.801Z","avatar_url":"https://github.com/proflead.png","language":null,"funding_links":[],"categories":[],"sub_categories":[],"readme":"# Codex Skills Library\n![Codex Skills Library](https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fix37vsv4notuafi9lk8d.png)\n\n\nA curated library of reusable Codex skills for developers, individuals, and teams.\n\nThis repository helps you turn OpenAI Codex into a consistent, reliable AI assistant by packaging common workflows into reusable skills instead of repeating prompts.\n\n## What is this?\n\nCodex Skills Library is a collection of focused skills for common developer workflows:\n\n- Code generation and debugging\n- Refactoring and optimization\n- Testing and documentation\n- System design and decision support\n- Engineering operations and reliability\n\nEach skill is small, focused, triggered by natural language, and designed for progressive disclosure.\n\n## Repository structure\n\nSkills are organized by domain under `skills/`. Each skill is a folder with a `SKILL.md` that includes frontmatter (`name`, `description`) and a short workflow.\n\n## Skills by domain\n\n### Foundation\n- [`codebase-orientation`](skills/foundation/codebase-orientation/SKILL.md): Map entry points, key modules, and build/run paths; include local setup commands, env vars, and a safe starter task.\n- [`git-basic-helper`](skills/foundation/git-basic-helper/SKILL.md): Provide minimal, safe git commands with clear intent and warnings for destructive actions.\n- [`debugging-checklist`](skills/foundation/debugging-checklist/SKILL.md): Give a prioritized checklist from repro to isolation, logging, and hypothesis validation.\n- [`error-message-explainer`](skills/foundation/error-message-explainer/SKILL.md): Translate compiler/runtime errors into plain language, likely root causes, and targeted fixes.\n- [`linter-fix-guide`](skills/foundation/linter-fix-guide/SKILL.md): Explain lint rules, show the expected pattern, and propose the smallest fix.\n- [`config-file-explainer`](skills/foundation/config-file-explainer/SKILL.md): Summarize purpose, key sections, defaults, and which settings are safe to change.\n- [`data-structure-chooser`](skills/foundation/data-structure-chooser/SKILL.md): Recommend a structure based on operations and constraints, with time/space tradeoffs.\n- [`dependency-install-helper`](skills/foundation/dependency-install-helper/SKILL.md): List required runtimes, install steps by platform, and verification commands.\n- [`small-script-generator`](skills/foundation/small-script-generator/SKILL.md): Generate tiny automation scripts with safe defaults and a usage example.\n- [`ticket-breakdown`](skills/foundation/ticket-breakdown/SKILL.md): Turn a request into small, testable steps with dependencies and validation checks.\n- [`log-summarizer`](skills/foundation/log-summarizer/SKILL.md): Group errors, identify the first failure, and propose concrete next actions.\n\n### Docs\n- [`readme-polish`](skills/docs/readme-polish/SKILL.md): Add missing setup details, env vars, and troubleshooting guidance while keeping it concise.\n- [`function-docstrings`](skills/docs/function-docstrings/SKILL.md): Document purpose, parameters, return values, and error conditions in project style.\n- [`release-notes-drafter`](skills/docs/release-notes-drafter/SKILL.md): Group changes by feature/fix/breaking, translate to user impact, and add migration notes.\n- [`team-onboarding-guide`](skills/docs/team-onboarding-guide/SKILL.md): Provide access/setup steps, key services, and a first-week learning plan.\n\n### Testing\n- [`unit-test-starter`](skills/testing/unit-test-starter/SKILL.md): Draft tests around core behavior, edge cases, and failure paths with run instructions.\n- [`integration-test-planner`](skills/testing/integration-test-planner/SKILL.md): Identify integration points, scenarios, data flows, and needed fixtures/mocks.\n- [`bug-repro-plan`](skills/testing/bug-repro-plan/SKILL.md): Produce a minimal repro with exact steps, environment details, and expected vs actual.\n\n### API\n- [`api-request-builder`](skills/api/api-request-builder/SKILL.md): Build curl/fetch requests with auth, headers, and response inspection tips.\n- [`api-contract-checker`](skills/api/api-contract-checker/SKILL.md): Compare endpoints and payloads, flag breaking changes, and suggest versioning.\n- [`api-error-taxonomy`](skills/api/api-error-taxonomy/SKILL.md): Standardize error codes, payload shape, and logging guidance.\n- [`graphql-query-optimizer`](skills/api/graphql-query-optimizer/SKILL.md): Reduce query depth and N+1 patterns using batching, caching, and pagination.\n\n### Frontend\n- [`accessibility-basic-check`](skills/frontend/accessibility-basic-check/SKILL.md): Check contrast, labels, focus order, and keyboard navigation for regressions.\n- [`css-layout-helper`](skills/frontend/css-layout-helper/SKILL.md): Diagnose layout intent and provide minimal flex/grid fixes with rationale.\n- [`cli-ux-improver`](skills/frontend/cli-ux-improver/SKILL.md): Improve CLI defaults, help text, and errors with actionable next steps.\n\n### Backend\n- [`caching-strategy-helper`](skills/backend/caching-strategy-helper/SKILL.md): Choose cache type, TTLs, and invalidation triggers based on freshness needs.\n- [`queue-processing-patterns`](skills/backend/queue-processing-patterns/SKILL.md): Define idempotency, retries, visibility timeouts, and dead-letter routing.\n- [`feature-flag-playbook`](skills/backend/feature-flag-playbook/SKILL.md): Plan targeting, rollout phases, monitoring, and cleanup criteria.\n- [`system-design-draft`](skills/backend/system-design-draft/SKILL.md): Outline components, data flow, storage, and tradeoffs with open questions.\n\n### Data\n- [`sql-query-starter`](skills/data/sql-query-starter/SKILL.md): Build SELECT queries with filters, ordering, limits, and parameter placeholders.\n- [`db-migration-reviewer`](skills/data/db-migration-reviewer/SKILL.md): Check lock risk, backfills, ordering, and rollback safety.\n- [`data-governance-check`](skills/data/data-governance-check/SKILL.md): Map data sensitivity, retention, access, and audit requirements.\n\n### Infra\n- [`ci-failure-triage`](skills/infra/ci-failure-triage/SKILL.md): Classify failures, identify flake sources, and propose stabilizing fixes.\n- [`observability-setup`](skills/infra/observability-setup/SKILL.md): Define key metrics, add correlation IDs, and set alert thresholds.\n- [`iac-reviewer`](skills/infra/iac-reviewer/SKILL.md): Validate security groups, IAM rules, state changes, and deletion risk.\n- [`platform-migration-plan`](skills/infra/platform-migration-plan/SKILL.md): Create phased migration steps with compatibility and rollback.\n- [`multi-region-strategy`](skills/infra/multi-region-strategy/SKILL.md): Choose active-active or active-passive with data consistency tradeoffs.\n- [`cross-service-debugger`](skills/infra/cross-service-debugger/SKILL.md): Correlate logs/traces across services and isolate the failing hop.\n- [`zero-downtime-migration`](skills/infra/zero-downtime-migration/SKILL.md): Plan dual writes, cutover checks, and rollback triggers.\n\n### Security\n- [`security-quick-scan`](skills/security/security-quick-scan/SKILL.md): Check auth, input validation, secrets, and risky dependencies.\n- [`threat-modeling`](skills/security/threat-modeling/SKILL.md): Identify assets, trust boundaries, threats, and mitigations.\n- [`dependency-risk-audit`](skills/security/dependency-risk-audit/SKILL.md): Review licenses, vulnerabilities, and maintainer health.\n- [`compliance-readiness`](skills/security/compliance-readiness/SKILL.md): Map controls to evidence, highlight gaps, and assign remediation.\n- [`config-hardening`](skills/security/config-hardening/SKILL.md): Enforce safer defaults, validation, and secret handling.\n\n### Performance\n- [`performance-trace-guide`](skills/performance/performance-trace-guide/SKILL.md): Capture stable traces, identify hotspots, and propose fixes.\n- [`scalability-assessment`](skills/performance/scalability-assessment/SKILL.md): Estimate growth, find bottlenecks, and suggest scale strategies.\n- [`performance-budgeting`](skills/performance/performance-budgeting/SKILL.md): Set budgets, thresholds, and CI or release enforcement.\n- [`cost-optimization-review`](skills/performance/cost-optimization-review/SKILL.md): Identify cost drivers, right-sizing, and savings estimates.\n\n### Reliability\n- [`reliability-slo-sla`](skills/reliability/reliability-slo-sla/SKILL.md): Define SLIs, error budgets, and alert thresholds tied to impact.\n- [`incident-postmortem`](skills/reliability/incident-postmortem/SKILL.md): Create a timeline, root cause analysis, and action items.\n\n### Architecture\n- [`architecture-review`](skills/architecture/architecture-review/SKILL.md): Evaluate assumptions, bottlenecks, and failure modes with tradeoffs.\n- [`domain-modeling`](skills/architecture/domain-modeling/SKILL.md): Identify entities, invariants, and bounded contexts with interfaces.\n\n### Planning\n- [`refactor-roadmap`](skills/planning/refactor-roadmap/SKILL.md): Sequence refactors with tests, flags, and checkpoints.\n- [`tech-debt-portfolio`](skills/planning/tech-debt-portfolio/SKILL.md): Catalog debt, estimate impact, and prioritize with ROI.\n- [`roadmap-prioritization`](skills/planning/roadmap-prioritization/SKILL.md): Score initiatives by impact, effort, and dependencies.\n- [`org-standardization`](skills/planning/org-standardization/SKILL.md): Propose minimal standards and adoption enforcement.\n- [`vendor-evaluation`](skills/planning/vendor-evaluation/SKILL.md): Compare vendors by security, integration, cost, and risks.\n- [`dependency-upgrade-plan`](skills/planning/dependency-upgrade-plan/SKILL.md): Order upgrades, note breaking changes, and plan rollback.\n- [`simple-refactor`](skills/planning/simple-refactor/SKILL.md): Improve naming and structure without behavior changes.\n- [`pr-reviewer`](skills/planning/pr-reviewer/SKILL.md): Identify logic bugs, edge cases, and missing tests with severity.\n\n## Get started\n\n1. Browse `skills/` and open a `SKILL.md` that matches your task.\n2. Trigger the skill by asking Codex for that workflow.\n3. Improve or extend skills as your team learns what works best.\n\nStep-by-step tutorial: https://proflead.dev/posts/codex-skills-explained-101/\n\nVideo tutorial: https://youtu.be/d3Ydt6LyGeY\n\n\n## Contribute\n\nContributions are welcome. Please open an issue for ideas or send a PR with new skills, improvements, or fixes. If this library is useful, please star the repo and share it with your team.\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fproflead%2Fcodex-skills-library","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fproflead%2Fcodex-skills-library","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fproflead%2Fcodex-skills-library/lists"}