542 cross-platform SKILL.md workflows for Cursor, Claude Code, Codex, Gemini CLI, Windsurf, and other AI coding agents
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Skill Claude CodeCodex
Use when finishing a feature, fixing a bug, before committing React code, or when the user types /doctor, asks to scan, triage, or clean up React diagnostics. Covers lint, accessibility, bundle size, architecture. Includes a regression check and a full local-triage workflow that fetches the canonical playbook.
Skill Claude CodeCodex
Modern React patterns and principles. Hooks, composition, performance, TypeScript best practices.
Skill Claude CodeCodex
React component testing with React Testing Library, Vitest/Jest, MSW for network mocking, accessibility assertions with axe, and the decision boundary between component tests and Playwright/Cypress end-to-end runs. Use when writing or fixing tests for React components, hooks, or pages.
Skill Claude CodeCodex
Apply named refactoring transformations to improve code structure without changing behavior. Use when the user mentions "refactor this", "code smells", "extract method", "replace conditional", "technical debt", "move method", "inline variable", or "decompose conditional". Also trigger when cleaning up legacy code…
Skill Claude CodeCodex
Master Rust 1.75+ with modern async patterns, advanced type system features, and production-ready systems programming.
Skill Claude CodeCodex
Rust testing patterns including unit tests, integration tests, async testing, property-based testing, mocking, and coverage. Follows TDD methodology.
Skill Claude CodeCodex
Secure secrets management practices for CI/CD pipelines using Vault, AWS Secrets Manager, and other tools.
Skill Claude CodeCodex
Expert security auditor specializing in DevSecOps, comprehensive cybersecurity, and compliance frameworks.
Skill Codex
Use this skill when adding authentication, handling user input, working with secrets, creating API endpoints, or implementing payment/sensitive features. Provides comprehensive security checklist and patterns.
Skill Claude Code
Configure GitHub Actions CI/CD for R packages including R CMD check on multiple platforms, test coverage reporting, and pkgdown site deployment. Uses r-lib/actions for standard workflows. Use when setting up CI/CD for a new R package, adding multi-platform testing to an existing package, configuring automated pkgdown…
Skill Claude CodeCodex
Set up Husky pre-commit hooks with lint-staged (Prettier), type checking, and tests in the current repo. Use when user wants to add pre-commit hooks, set up Husky, configure lint-staged, or add commit-time formatting/typechecking/testing.
Skill Claude CodeCodex
Guide for quality focused software architecture. This skill should be used when users want to write code, design architecture, analyze code, in any case that relates to software development.
Skill Claude CodeCodex
Spring Boot architecture patterns, REST API design, layered services, data access, caching, async processing, and logging. Use for Java Spring Boot backend work.
Skill Claude CodeCodex
Transform slow database queries into lightning-fast operations through systematic optimization, proper indexing, and query plan analysis.
Skill Claude CodeCodex
Use when encountering any bug, test failure, or unexpected behavior, before proposing fixes.
Skill Claude CodeCodex
Tailwind CSS v4 principles. CSS-first configuration, container queries, modern patterns, design token architecture.
Skill Claude CodeCodex needs its repo
Quick reference for Terraform conventions including file organization, naming, modules, state, security, and anti-patterns. Use when writing or reviewing Terraform code.
Skill Claude CodeCodex
Expert Terraform/OpenTofu specialist mastering advanced IaC automation, state management, and enterprise infrastructure patterns.
Skill Claude CodeCodex
Use when implementing any feature or bugfix, before writing implementation code.
Skill Claude CodeCodex
Jest testing patterns, factory functions, mocking strategies, and TDD workflow. Use when writing unit tests, creating test factories, or following TDD red-green-refactor cycle.
Skill Claude CodeCodex
Comprehensive guidance for mastering TypeScript's advanced type system including generics, conditional types, mapped types, template literal types, and utility types for building robust, type-safe applications.
Skill Claude CodeCodex
TypeScript and JavaScript expert with deep knowledge of type-level programming, performance optimization, monorepo management, migration strategies, and modern tooling.
Skill Claude CodeCodex
Review UI code for StyleSeed design-system compliance, accessibility, mobile ergonomics, spacing discipline, and implementation quality.
Skill Claude Code
Generate comprehensive, maintainable unit tests across languages with strong coverage and edge case focus.
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: