Get the onboarding tour of any repository.
Paste a GitHub link or upload a zip. The page picks the files a newcomer would open first, shows you exactly what it will send, then writes an onboarding doc: what it is, how it is laid out, how to run it and where to start reading. Ask follow-ups after. No API key needed - pay per run with credits.
The example replays a saved tour and follow-up of a small sample repository at no cost.
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Pick a repository
Public repositories only. Reading the file list is free; it needs sign-in because the page fetches from GitHub through its own server.
Drop a .zip here or
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Read in this browser. Only the files you keep ticked below are sent with a run. No sign-in needed to look.