Best Public Domain AI Skills & MCP Servers
2 curated Public Domain skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Gutenberg
MCP server for Project Gutenberg — 75,000+ public-domain ebooks, searchable with full plain-text retrieval.
Ourairports
Resolve airport codes (IATA/ICAO/GPS/local), search airports, find the nearest by coordinate, and look up runways, navaids, and radio frequencies from the bundled public-domain OurAirports dataset via MCP. STDIO or Streamable HTTP.
About Public Domain skills on iClaude
iClaude is the universal install layer for AI skills. Every Public Domain 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.