A massive crowdsourced library of task prompts, usable from the CLI
Prompts
Fabric is an open-source framework with hundreds of crowdsourced prompt 'patterns' — extract_wisdom, summarize, analyze_claims, write_essay — each a refined, reusable system prompt for a specific task.
The official collection of reference MCP server implementations
MCPs
The canonical repository of reference Model Context Protocol servers — Filesystem, Fetch, Git, Memory, Time, and more — maintained by the MCP project itself, plus a huge index of community servers.