Skill Claude CodeCodex
Use when running builds, executing tests, or improving developer experience workflows - provides structured guidance for build/test execution and DX improvement.
not rated 37 2mo ago A 29 tokens
original MIT
37Stars on the repository
199Mods indexed here, across every type
2mo agoLast push, which is what freshness is scored on
MITLicence, which decides whether bodies are shown
Skill Claude CodeCodex
Use when estimating time, effort, or complexity for features or projects - provides structured estimation workflows with breakdowns, risks, and confidence intervals.
not rated 37 2mo ago A 32 tokens
original MIT
Skill Claude CodeCodex
Use when facing 3+ independent failures that can be investigated without shared state or dependencies - dispatches multiple Claude agents to investigate and fix independent problems concurrently.
not rated 37 2mo ago A 37 tokens
copy · 88% MIT
Skill Claude CodeCodex
Evaluate documentation information architecture: navigation paths, discoverability, progressive disclosure, cross-linking, and mental model alignment. This skill should be used when restructuring docs, adding new sections, or when users report difficulty finding information.
not rated 37 2mo ago A 49 tokens
original MIT
Skill Claude CodeCodex
Validate that claims in documentation match codebase reality. Extracts verifiable assertions (file paths, commands, function references, behavioral claims, dependencies) from markdown docs and checks them against the actual project. Use after code changes, before releases, or when docs feel untrustworthy.
not rated 37 2mo ago A 61 tokens
original MIT
Skill Claude CodeCodex
Audit documentation completeness by mapping what a doc set should cover against what it actually covers. Produces a prioritized gap report by topic, not just by file. This skill should be used after shipping features, before releases, or when users report missing documentation.
not rated 37 2mo ago A 57 tokens
original MIT
Skill Claude CodeCodex
Orchestrate a full documentation health audit across five dimensions: structural health, semantic accuracy, topic completeness, prose quality, and information architecture. Runs each phase in dependency order with phase gating. This skill should be used for pre-release audits, periodic health checks, or comprehensive…
not rated 37 2mo ago A 62 tokens
original MIT
Skill Claude CodeCodex
Systematic documentation audit and maintenance. This skill should be used when documentation may be stale, missing, or misorganized — after feature work, refactors, dependency upgrades, or as a periodic health check. It prescribes folder structure for docs/ and manual/, dispatches haiku subagents for codebase/doc…
not rated 37 2mo ago A 94 tokens
original MIT
Skill Claude CodeCodex
Assess documentation quality across readability, consistency, audience fit, and prose clarity. Produces a scored review with actionable findings. This skill should be used before releases, during doc reviews, or when documentation feels unclear or inconsistent.
not rated 37 2mo ago A 48 tokens
original MIT
docx
58Skill Claude CodeCodex
Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4)…
not rated 37 2mo ago B 77 tokens
copy · 97% MIT
Skill Claude CodeCodex
Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.
not rated 37 2mo ago A 50 tokens
copy · 77% MIT
pptx
60Skill Claude CodeCodex
Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks.
not rated 37 2mo ago B 62 tokens
copy · 95% MIT
xlsx
61Skill Claude CodeCodex
Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify…
not rated 37 2mo ago A 96 tokens
copy · 81% MIT
Skill Claude CodeCodex
Use when generating, updating, or organizing documentation (component/API docs, project indexes, diagrams, tutorials, learning paths) - provides structured workflows and references for docs generation, indexing, diagrams, and teaching.
not rated 37 2mo ago A 44 tokens
original MIT
Skill Claude CodeCodex
Use this skill when drafting professional or personal emails—cold outreach, follow-ups, internal memos, client communication, or any message that needs to be clear and effective. Trigger phrases: 'write an email to', 'draft a follow-up', 'help me email'. Do NOT use for mass marketing email campaigns (use copywriter…
not rated 37 2mo ago A 82 tokens
original MIT
Skill Claude CodeCodex
Use this skill when building evaluation frameworks to measure LLM quality, safety, accuracy, or alignment including test suites, human eval rubrics, automated evals, and metrics design. Not for training or fine-tuning models. Not for dataset curation or benchmark comparison across publicly available models.
not rated 37 2mo ago D 62 tokens
original MIT
Skill Claude CodeCodex
Iterative refinement workflow for polishing code, documentation, or designs through systematic evaluation and improvement cycles. Use when refining drafts into production-grade quality.
not rated 37 2mo ago A 33 tokens
original MIT
Skill Claude CodeCodex
Event-driven architecture patterns with event sourcing, CQRS, and message-driven communication. Use when designing distributed systems, microservices communication, or systems requiring eventual consistency and scalability.
not rated 37 2mo ago A 39 tokens
original MIT
fact-checker
67Skill Claude CodeCodex
Use this skill when verifying factual claims, checking accuracy of statements, or assessing the credibility of information. Trigger phrases: 'fact-check this', 'is this true', 'verify this claim', 'check if this is accurate'. Do NOT use for subjective opinions, legal or medical advice, or claims requiring real-time…
not rated 37 2mo ago A 71 tokens
original MIT
Skill Claude CodeCodex
Use when implementing a feature or multi-file code change - provides structured implementation flow with persona selection, validation, and testing guidance.
not rated 37 2mo ago A 29 tokens
original MIT
Skill Claude CodeCodex
Use when implementation is complete, all tests pass, and you need to decide how to integrate the work - guides completion of development work by presenting structured options for merge, PR, or cleanup.
not rated 37 2mo ago A 44 tokens
copy · 88% MIT
Skill Claude CodeCodex
Use this skill when specifying, designing, or documenting UI components, layouts, and design systems for frontend implementation. Trigger phrases: 'design this UI component', 'create a responsive layout', 'spec the CSS for', 'design system for'. Do NOT use for backend development, server-side logic, data engineering…
not rated 37 2mo ago A 70 tokens
original MIT
git-ops
71Skill Claude CodeCodex
Use when performing git operations or generating smart commit messages - provides safe git workflow guidance, validation checks, and conventional commit formatting.
not rated 37 2mo ago A 29 tokens
original MIT
Skill Claude CodeCodex
GitHub Actions workflow patterns for CI/CD including matrix builds, reusable workflows, secrets management, and caching strategies. Use when setting up or optimizing GitHub Actions pipelines.
not rated 37 2mo ago A 38 tokens
original MIT
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: