From the source

The Librarian

Capability change

Amp released a new subagent called the Librarian, which searches remote codebases including all public code on GitHub and private GitHub repositories.

From the source
Amp has a new tool: the Librarian. It's a subagent built for searching remote codebases. It allows Amp to search all public code on GitHub as well as your private GitHub repositories.
ampcode.com

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