Best Claude Desktop MCP AI Skills & MCP Servers

1 curated Claude Desktop MCP skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.

Institutionos

MCP Registry

MCP server for nonprofit management — AI agents, federal grants search (Grants.gov + USAspending), nonprofit accounting, compliance, grant writing, and 501(c)(3) operations via Claude Desktop, Claude Code, and Cursor

MCP Registry · ★ 5.0free

About Claude Desktop MCP skills on iClaude

iClaude is the universal install layer for AI skills. Every Claude Desktop MCP 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.

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