A reputation index from mitchellh's Vouch trust files
I was inspired by mitchellh's Vouch project, an explicit trust system where maintainers vouch for contributors before they can interact with a repo. Ghostty uses it to filter out AI slop PRs. Because Vouch exposes the vouch list as a plain text file (VOUCHED.td), I realized I could aggregate them across GitHub and build a reputation index. A crawler finds every VOUCHED.td file, pulls the entries, and computes a weighted score per user. Vouches from high-star repos count more than vouches from zero-star repos. Next step is to wire up an API so that the vouch GH action can start to use this…
A reputation index from mitchellh's Vouch trust files launched on February 13, 2026 with 18 votes, #784 of 16,627 launches that month and more than 90% of that year's launches.
In plain words
A reputation index that aggregates vouches from GitHub repositories using the Vouch trust system. The tool crawls VOUCHED.td files across projects and calculates weighted reputation scores for contributors, with vouches from popular repositories counting more heavily than those from smaller projects. It's designed for maintainers who want to identify trusted contributors and reduce low-quality pull submissions. An API is planned to integrate with GitHub actions for automated contributor approval.
written from the facts on this page · September 2026
From the sources
A static view of cross-repo reputation from VOUCHED.td files.
A reputation index built from Mitchell Hashimoto's Vouch trust files across GitHub. Each vouch in a VOUCHED.td file contributes a weight based on the repo's star count: ln(stars + 1) + 1 . A vouch from a 0-star repo is worth ~1.0; from a 1,000-star repo, ~7.9; from a 50k-star repo like Ghostty, ~11.8. Denouncements (prefixed with - ) subtract at 60% of that weight. A user's total score is the sum of all vouch weights minus all denouncement weights. The same user can appear in multiple repos — each one countsfrom vouchbook.dev
In the maker’s words, at launch
I was inspired by mitchellh's Vouch project, an explicit trust system where maintainers vouch for contributors before they can interact with a repo. Ghostty uses it to filter out AI slop PRs. Because Vouch exposes the vouch list as a plain text file (VOUCHED.td), I realized I could aggregate them across GitHub and…
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