Skills
Discover and install skills to enhance Claude Code.
1,288 skills found - Clear filters
develop-web-game
Use when Codex is building or iterating on a web game (HTML/JS) and needs a reliable development + testing loop: implement small changes, run a Playwright-based test script with short input bursts and intentional pauses, inspect screenshots/text, and review console errors with render_game_to_text.
java-pro
Master Java 21+ with modern features like virtual threads, pattern matching, and Spring Boot 3.x. Expert in the latest Java ecosystem including GraalVM, Project Loom, and cloud-native patterns. Use PROACTIVELY for Java development, microservices architecture, or performance optimization.
tamagui
Universal React UI framework for web and native. Use when building cross-platform apps with Tamagui, creating styled components with `styled()`, configuring design tokens/themes, using Tamagui UI components, or working with animations. Triggers: "tamagui", "styled()", "$token", "XStack/YStack", "useTheme", "@tamagui/*" imports, "createStyledContext", "variants".
postgresql
Design a PostgreSQL-specific schema. Covers best-practices, data types, indexing, constraints, performance patterns, and advanced features
math
Unified math capabilities - computation, solving, and explanation. I route to the right tool.
obsidian-performance-tuning
Optimize Obsidian plugin performance for smooth operation. Use when experiencing lag, memory issues, or slow startup, or when optimizing plugin code for large vaults. Trigger with phrases like "obsidian performance", "obsidian slow", "optimize obsidian plugin", "obsidian memory usage".
duckdb-en
DuckDB CLI specialist for SQL analysis, data processing and file conversion. Use for SQL queries, CSV/Parquet/JSON analysis, database queries, or data conversion. Triggers on "duckdb", "sql", "query", "data analysis", "parquet", "convert data".
bookstack
BookStack Wiki & Documentation API integration. Manage your knowledge base programmatically: create, read, update, and delete books, chapters, pages, and shelves. Full-text search across all content. Use when you need to: (1) Create or edit wiki pages and documentation, (2) Organize content in books and chapters, (3) Search your knowledge base, (4) Automate documentation workflows, (5) Sync content between systems. Supports both HTML and Markdown content.
ydc-ai-sdk-integration
Integrate Vercel AI SDK applications with You.com tools (web search, AI agent, content extraction). Use when developer mentions AI SDK, Vercel AI SDK, generateText, streamText, or You.com integration with AI SDK.
clawdhub
Use the ClawdHub CLI to search, install, update, and publish agent skills from clawdhub.com. Use when you need to fetch new skills on the fly, sync installed skills to latest or a specific version, or publish new/updated skill folders with the npm-installed clawdhub CLI.
golang-pro
Master Go 1.21+ with modern patterns, advanced concurrency, performance optimization, and production-ready microservices. Expert in the latest Go ecosystem including generics, workspaces, and cutting-edge frameworks. Use PROACTIVELY for Go development, architecture design, or performance optimization.
fastapi
Build Python APIs with FastAPI, Pydantic v2, and SQLAlchemy 2.0 async. Covers project structure, JWT auth, validation, and database integration with uv package manager. Prevents 7 documented errors. Use when: creating Python APIs, implementing JWT auth, or troubleshooting 422 validation, CORS, async blocking, form data, background tasks, or OpenAPI schema errors.
building-mcp-server-on-cloudflare
Builds remote MCP (Model Context Protocol) servers on Cloudflare Workers with tools, OAuth authentication, and production deployment. Generates server code, configures auth providers, and deploys to Workers. Use when: user wants to "build MCP server", "create MCP tools", "remote MCP", "deploy MCP", add "OAuth to MCP", or mentions Model Context Protocol on Cloudflare. Also triggers on "MCP authentication" or "MCP deployment".
slash-commands
Create and use Claude Code slash commands - quick prompts, bash execution, file references
threejs-shaders
Three.js shaders - GLSL, ShaderMaterial, uniforms, custom effects. Use when creating custom visual effects, modifying vertices, writing fragment shaders, or extending built-in materials.
obsidian-local-dev-loop
Configure Obsidian plugin development with hot-reload and fast iteration. Use when setting up development workflow, configuring test vaults, or establishing a rapid development cycle. Trigger with phrases like "obsidian dev loop", "obsidian hot reload", "obsidian development workflow", "develop obsidian plugin".
api-health-checker
Check api health checker operations. Auto-activating skill for API Integration. Triggers on: api health checker, api health checker Part of the API Integration skill category. Use when working with APIs or building integrations. Trigger with phrases like "api health checker", "api checker", "api".
php-best-practices
PHP best practices, PSR standards, and code quality guidelines.
swiftui-liquid-glass
Implement, review, or improve SwiftUI features using the iOS 26+ Liquid Glass API. Use when asked to adopt Liquid Glass in new SwiftUI UI, refactor an existing feature to Liquid Glass, or review Liquid Glass usage for correctness, performance, and design alignment.
ffmpeg-cli
Comprehensive video/audio processing with FFmpeg. Use for: (1) Video transcoding and format conversion, (2) Cutting and merging clips, (3) Audio extraction and manipulation, (4) Thumbnail and GIF generation, (5) Resolution scaling and quality adjustment, (6) Adding subtitles or watermarks, (7) Speed adjustment (slow/fast motion), (8) Color correction and filters.