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3.1%
of 98 commits were committed by an AI agent — a floor, not an estimate
Too little recent activity to publish. Only 98 commits landed in this window, so the percentage is noisy. Repositories below 100 are excluded from the index for this reason.
3.1% 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.

3
agent commits
95
human commits
2
agent contributors
66.7%
largest contributor

Assisted or autonomous

3assisted
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: 14.3%. Bars are scaled to that peak, not to 100%.

Which agents

OpenAI CodexOpenAI22%
Claude CodeAnthropic11%

Verify it yourself

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

  • 6396b1cefix(block): saturate block edge arithmetic (#2488)OpenAI Codex
  • d7646c71fix(core): avoid overflow in BufferDiff forced-width advance (#2487)OpenAI Codex
  • 0ba8c749build(deps): bump itertools from 0.14 to 0.15 (#2622)Claude Code

What was excluded

Commits in window265
Merge commits removed−0
CI / dependency bots removed−167
Considered98

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 ratatui/ratatui

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