Best Plan AI Skills & MCP Servers

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

Harvard Course Explorer

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Discover and search Harvard's course catalog by code, title, or instructor. Explore random course picks to spark inspiration and uncover new subjects. View detailed course info and catalog insights to plan your schedule.

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About Plan skills on iClaude

iClaude is the universal install layer for AI skills. Every Plan 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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