33.3%

of 18 commits were committed by an AI agent — a floor, not an estimate

Too little recent activity to publish. Only 18 commits landed in this window, so the percentage is noisy. Repositories below 100 are excluded from the index for this reason.

33.3% agent · top contributor 66.7%2 contributors

individual

One person is driving this. The headline number reflects a single contributor's workflow, not a project-wide shift.

agent commits

human commits

agent contributors

66.7%

largest contributor

Assisted or autonomous

4assisted

2autonomous

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

May26

Jun26

Jul26

Aug26

Sep26

Peak month: 66.7%. Bars are scaled to that peak, not to 100%.

Which agents

Claude Code	Anthropic	4	22.2%
GitHub Copilot	GitHub	2	11.1%

Verify it yourself

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

364c61d4chore(site): add Google Search Console verification tag (#1247)Claude Code
67fc9f86feat(playground): target search terms for the online editor (#1246)Claude Code
11c20e94feat(playground): add SEO metadata and social sharing card (#1245)Claude Code
322522a6chore(deps): bump lodash.template from 4.5.0 to 4.18.1 in /website (#1209)GitHub Copilot
9b278704chore(deps): bump lodash and globule in /website (#1210)GitHub Copilot

What was excluded

Commits in window	31
Merge commits removed	−8
CI / dependency bots removed	−5
Considered	18

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 mingrammer/diagrams

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