43%

of 93 commits were committed by an AI agent — a floor, not an estimate

Too little recent activity to publish. Only 93 commits landed in this window, so the percentage is noisy. Repositories below 100 are excluded from the index for this reason.

43% agent · top contributor 32.5%15 contributors

org-wide

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

agent commits

human commits

agent contributors

32.5%

largest contributor

Assisted or autonomous

40assisted

0autonomous

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: 88.2%. Bars are scaled to that peak, not to 100%.

Which agents

Claude Code	Anthropic	39	41.9%
Cursor Agent	Anysphere	1	1.1%

Verify it yourself

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

2e3e4c7aci: run readme-pr-check on pull_request_target so fork PRs can be labeled Claude Code
cda92bdafix(filesystem): create_directory doesn't create parent directories (#4631Claude Code
d6402efefix(sequentialthinking): restore nextThoughtNeeded in the advertised inputClaude Code
ca7ea225fix(memory): return relations connected to requested nodes in openNodes/seCursor Agent

What was excluded

Commits in window	155
Merge commits removed	−51
CI / dependency bots removed	−11
Considered	93

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 modelcontextprotocol/servers

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