Best Client AI Skills & MCP Servers
222 curated Client skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Boar blockchain MCP (advanced)
Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required - just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on
MLB Stats Server
Provide structured access to Major League Baseball statistics through an MCP server. Query and retrieve detailed baseball data including statcast, fangraphs, and baseball reference stats. Generate visualizations and integrate seamlessly with MCP-compatible clients for enhanced ba
gunsnation-mcp
The Gunsnation MCP Server is a lightweight integration layer that exposes the Gunsnation firearms catalog to AI assistants through the Model Context Protocol (MCP). It allows compatible AI clients to search, filter, and retrieve detailed firearm information using structured tool
captcha-mcp
PoW CAPTCHA verification for MCP clients. Exposes generate_challenge and verify_solution tools — stateless proof-of-work that agents can embed in auth flows. L402 Lightning skip tier available for trusted clients. No API key required for PoW path.
Clear Thought Server
Provide enhanced problem-solving capabilities by leveraging systematic thinking, mental models, and debugging approaches. Enable structured reasoning and decision-making support for complex challenges. Facilitate integration with MCP-compatible clients for advanced cognitive work
Microsoft Learn MCP
The Microsoft Learn MCP Server is a remote MCP Server that enables clients like GitHub Copilot and other AI agents to bring trusted and up-to-date information directly from Microsoft's official documentation. It supports streamable http transport, which is lightweight for clients
About Client skills on iClaude
iClaude is the universal install layer for AI skills. Every Client skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.