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: 8%. Bars are scaled to that peak, not to 100%.
Which agents
| Claude Code | Anthropic | 28 | 4.6% |
| GitHub Copilot | GitHub | 7 | 1.1% |
| Cursor Agent | Anysphere | 1 | 0.2% |
Verify it yourself
Sample commits that matched. Every one links to GitHub — check the trailers.
10ed0dbffix(route): dedupe lg/tokyo/food-permit by 許可番号Claude Code5262341afeat(route): add lg/osaka/food-permitClaude Code75c58624feat(route): lg/tokyo/food-permit adds 目黒区 飲食店 新規 monthly CSVClaude Coded4a2bb48chore(deps-dev): bump pnpm from 10.34.4 to 10.34.5 (#22748)GitHub Copilot42c6d097chore(deps): bump tsx from 4.23.0 to 4.23.1 (#22700)GitHub Copilot0b2b8e0efeat(route/qwen): replace deprecated qwen blog route with new one (#21944)GitHub Copilotcae03809fix(route/patreon): creator ID extraction and render content from JSON (#2Cursor Agent
What was excluded
| Commits in window | 1,789 |
| Merge commits removed | −0 |
| CI / dependency bots removed | −1,177 |
| Considered | 612 |
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 DIYgod/RSSHub