chub

Andrew Ng proposes Stack Overflow-style knowledge sharing for AI coding agents via chub

Andrew Ng describes the vision for chub (Context Hub), a CLI tool providing up-to-date API documentation to coding agents, which reached over 5,000 GitHub stars in its first week. The piece argues for a Stack Overflow-like feedback loop where agents that discover bugs or better API usage patterns can contribute learnings back to shared documentation. Ng also references Moltbook, a Reddit-like social network for agents recently acquired by Meta, as inspiration for agent-to-agent knowledge sharing. The post outlines early-stage work on agentic deep research to expand chub's documentation collection from under 100 to nearly 1,000 documents.