Adoption is broad. Many contributors are committing agent-authored work, which is what a real organisational rollout looks like.
Assisted or autonomous
Assisted — a developer’s identity authored the commit and the agent added itself as co-author. The agent ran git commit during a working session, with a person there. Autonomous — a bot identity is the author, no human in the loop. Across the whole index, 93.7% of agent commits are assisted.
Agent share by month
Peak month: 5.2%. Bars are scaled to that peak, not to 100%.
Which agents
| Claude Code | Anthropic | 15 | 1.4% |
| OpenAI Codex | OpenAI | 1 | 0.1% |
Verify it yourself
Sample commits that matched. Every one links to GitHub — check the trailers.
49ec4696fix(relay): apply model-specific OpenAI chat capabilities (#7211)Claude Codeb5b94bc6fix(subscription): 无有效订阅时前端如实显示「仅用订阅」偏好 (#6222) (#7086)Claude Coded6b5ce99fix(relay): set Request.GetBody so the HTTP/2 transport can transparently Claude Code8e5e89bb修复 切换新版前端Turnstile 开启后注册页未显示验证的问题 (#5011)OpenAI Codex
What was excluded
| Commits in window | 1,323 |
| Merge commits removed | −213 |
| CI / dependency bots removed | −29 |
| Considered | 1,081 |
Bots are excluded from the denominator entirely. Counting dependabot as “AI-written code” is the fastest way to produce a meaningless number.
How this was measured
Measured over February–August 2026, cloned directly. Detection is deterministic string matching against signatures agents write about themselves — no heuristics, no style analysis. Merge commits and CI bots are excluded from the denominator. The figure is a floor: squash merges strip trailers, so real usage is higher. Contributor counts are aggregate — no individual is named.
Run it yourself: npx qmmit-cli QuantumNous/new-api