313+ AI Addons & Growing

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Tools, Workflows, Skills & Personas for Every AI Use Case.
Discover, compare, and install 313+ addons for Claude, ChatGPT, OpenClaw, and beyond.

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313AI Addons
113MCP Servers
46Claude Skills
55OpenClaw Skills
50AI Personas
49OpenAI GPTs

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🔌 MCP Servers vs 🧠 Claude Skills vs 🐾 OpenClaw Skills vs 🎭 AI Personas

Four ways to customize AI — here's when to use each

🔌

MCP Servers

  • What: External services that give Claude tools and data access
  • How: Run as local processes or remote servers via JSON-RPC
  • Install: npx commands + config in Claude Desktop/IDE
  • Best for: Database access, API integrations, file operations, live data
  • Works with: Claude Desktop, Cursor, Continue, Windsurf, Cline
🧠

Claude Skills

  • What: Instruction folders that teach Claude specialized workflows
  • How: SKILL.md files with YAML frontmatter + markdown instructions
  • Install: Upload folder in Claude.ai Settings > Capabilities
  • Best for: Document creation, writing styles, design patterns, workflows
  • Works with: Claude.ai, Claude Code, Claude API
🐾

OpenClaw Skills

  • What: Agent skills that give OpenClaw real-world tools and integrations
  • How: SKILL.md files with scripts, CLI wrappers, and automation logic
  • Install: clawhub install skill-name via ClawHub registry
  • Best for: System automation, media generation, messaging, smart home, coding agents
  • Works with: OpenClaw, AgentSkills-compatible platforms
🎭

AI Personas

  • What: Expert character prompts that transform any AI into a specialist
  • How: System prompts you paste into any AI conversation
  • Install: Copy prompt and paste into ChatGPT, Claude, Gemini, etc.
  • Best for: Expert advice, tutoring, creative writing, coaching, role-play
  • Works with: ChatGPT, Claude, Gemini, all AI assistants

💡 Pro tip: Use them together! MCP servers provide tools and data, Claude Skills define how to work, OpenClaw Skills add real-world actions, and AI Personas set the expert character. Example: GitHub MCP Server + Code Reviewer Persona = AI-powered code reviews.

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