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Found 1,260 Skills
Comprehensive Python engineering guidelines for writing production-quality Python code. This skill should be used when writing Python code, performing Python code reviews, working with Python tools (uv, ruff, mypy, pytest), or answering questions about Python best practices and patterns. Applies to CLI tools, AI agents (langgraph), and general Python development.
Best practices for TypeScript types, interfaces, assertions, and type safety. Use when writing or reviewing TypeScript code.
Applies best practices for logging, project structure, and environment variable usage specifically to the main application file.
Senior Node.js developer. Use when building, reviewing, or refactoring Node.js applications. Enforces modern Node.js 22+ patterns, native APIs, performance, and production-ready practices.
Comprehensive Ruby on Rails v8.1 development guide with detailed documentation for Active Record, controllers, views, routing, testing, jobs, mailers, and more. Use when working on Rails applications, building Rails features, debugging Rails code, writing migrations, setting up associations, configuring Rails apps, or answering questions about Rails best practices and patterns.
Use when starting feature work that requires isolation from the current workspace or before executing an implementation plan - Create isolated git worktrees through intelligent directory selection and security verification
Set up environment variables, .env files, and configuration management. Use when configuring environment variables, creating .env files, or managing app configuration.
Create event-driven hooks for AI coding agent automation (Claude Code, Codex CLI). Configure hook events in settings or frontmatter, parse stdin JSON inputs, return decision-control JSON, and implement secure hook scripts.
Frontend UI/UX design and implementation for HTML/CSS/JS including semantic structure, responsive layout, accessibility compliance, and visual design direction. Use for building or reviewing web pages/components, fixing accessibility issues, improving styling/responsiveness, or making UI/UX decisions.
Replace hardcoded values with constants, enums, and configuration for maintainability; use PHP 8.1+ enums and config files
Git best practices including commit message conventions, interactive rebase, conflict resolution, and repository hygiene. Reference for all git operations.
Complete development with structured merge/PR options. Use when ready to merge or submit work.