The Ultimate
AI Customization Hub
Tools, Workflows, Skills & Personas for Every AI Use Case.
Discover, compare, and install 600+ addons for Claude, ChatGPT, OpenClaw (open-source MCP client), and beyond.
🤖 Claude Code Agents
Pre-configured AI development assistants for specific tasks. Copy custom instructions, pair with MCP servers, and start building immediately.
Pre-configured for Claude Code • Ready to copy & paste • Paired with MCP servers
⭐ Featured Addons
Hand-picked MCP servers, Claude Skills, and OpenClaw Skills for quality, reliability, and developer experience
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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:
npxcommands + 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-namevia 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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