vercel.
6,361 merged pull requests across 10 repositories over the 90 days to September 28, 2026.
of merged pull requests disclosed agent work.
- Claude Code
- Cursor
- GitHub Copilot
- Codex
- Devin
- other agents
- inferred
- people
18.6% counting inferred agents as well. The accounts behind that figure and the reason each one is counted are listed below.
agents
declared · inferred PRs- ai-sdk-factory1620
- Claude Code310·
- Cursor29·
- e0025
- GitHub Copilot2·
repositories
declared share · bus factor- ai6.5%1,638 PRs4 people cover half
- next.js5.8%1,293 PRs7 people cover half
- eve3.8%1,216 PRs4 people cover half
- turborepo5.4%777 PRs1 person covers half
- vercel25.9%232 PRs5 people cover half
- streamdown7.8%64 PRs4 people cover half
- examples9.4%32 PRs3 people cover half
- satori20.0%20 PRs1 person covers half
- swr0.0%19 PRs1 person covers half
- next-app-router-playground0.0%3 PRs1 person covers half
bus factor · the fewest people who account for half a repo's merged work, with an agent's pull requests credited to the person who steered it
models named
where a trailer names one- Claude Fable 5 · 105
- Claude Opus 4.8 · 89
- Claude Opus 5 · 63
- Claude Code · 20
- Claude Fable 5.1 · 5
- Claude Opus 4.6 · 5
- Claude Opus 4.7 · 3
- Claude Sonnet 4.6 · 3
inferred accounts
shown apart from the headline- ai-sdk-factory611 PRs
vercel/ai bug-fix PRs with written rationale, no self-description
- e0-gh-vercel-connect21 PRs
vercel/eve stacked fix and repro PRs
personal agent accounts are counted and left unnamed, because their names point at the person who runs them
This report reads public repositories. slashscore for Teams draws the same map for your private ones: the people, the agents working beside them, and the repos they share.