0.4%

of 17,152 commits were committed by an AI agent — a floor, not an estimate

0.4% agent · top contributor 14.5%30 contributors

org-wide

Adoption is broad. Many contributors are committing agent-authored work, which is what a real organisational rollout looks like.

agent commits

17,076

human commits

agent contributors

14.5%

largest contributor

Assisted or autonomous

75assisted

1autonomous

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

Feb26

Mar26

Apr26

May26

Jun26

Jul26

Aug26

Sep26

Peak month: 1.7%. Bars are scaled to that peak, not to 100%.

Which agents

Claude Code	Anthropic	49	0.3%
Cursor Agent	Anysphere	22	0.1%
GitHub Copilot	GitHub	4	0%
Devin	Cognition	1	0%

Verify it yourself

Sample commits that matched. Every one links to GitHub — check the trailers.

9538e24cfix(coding-agent): reject forced tool choices on auto-only hostsClaude Code
1c0b4a70docs(catalog): link #11635 in the changelog entryClaude Code
6611dd14test(ai): pin Meta tool_choice omission for meta and muse-codeClaude Code
1f0f92bdfix(utils): type ACP inbound drain timer as TimerCursor Agent
9f9fcfcafix(utils): drain ACP inbound requests on clean stdin EOFCursor Agent
cd46dd0cfix(session): require positive evidence before moved-project re-root (#115Cursor Agent
a073cd17Potential fix for pull request findingGitHub Copilot
21fbf5ebUpdate packages/ai/test/overflow-utils.test.tsGitHub Copilot
1ce11f0dUpdate packages/coding-agent/src/prompts/system/plan-mode-approved.mdGitHub Copilot
98656408feat(move): interactive /move overlay with fresh session in target directoDevin

What was excluded

Commits in window	21,552
Merge commits removed	−4,374
CI / dependency bots removed	−26
Considered	17,152

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 can1357/oh-my-pi

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