A small group is using agents. Adoption has spread beyond one person but is not project-wide.
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: 13.3%. Bars are scaled to that peak, not to 100%.
Which agents
| Claude Code | Anthropic | 108 | 2.8% |
| GitHub Copilot | GitHub | 2 | 0.1% |
Verify it yourself
Sample commits that matched. Every one links to GitHub — check the trailers.
4844a248test(cdp): cover the mousedown preventDefault gate on the CDP pathClaude Code5e43683afix(input): honor mousedown preventDefault and correct mouse-focus rulesClaude Code46ac5094fix(actions): address review on click's mouse/pointer sequenceClaude Codee6fd0047refactor: remove unused _group_depth trackingGitHub Copilotd5556fdafeat(console): implement group, groupCollapsed, and groupEndGitHub Copilot
What was excluded
| Commits in window | 5,627 |
| Merge commits removed | −1,735 |
| CI / dependency bots removed | −1 |
| Considered | 3,891 |
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 lightpanda-io/browser