9.6%

of 52 commits were committed by an AI agent — a floor, not an estimate

Too little recent activity to publish. Only 52 commits landed in this window, so the percentage is noisy. Repositories below 100 are excluded from the index for this reason.

9.6% agent · top contributor 60%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

60%

largest contributor

Assisted or autonomous

3assisted

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

Apr26

Jun26

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

Which agents

GitHub Copilot	GitHub	4	7.7%
Claude Code	Anthropic	1	1.9%

Verify it yourself

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

905b397dUpdate tests/test_cells.pyGitHub Copilot
b031dca1Update tests/test_cells.pyGitHub Copilot
f07a3fc5Add regression tests for VS16 after zero-width chars in split_graphemesGitHub Copilot
ce51a2f8Update README URLs from master to main branchClaude Code

What was excluded

Commits in window	68
Merge commits removed	−16
CI / dependency bots removed	−0
Considered	52

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 Textualize/rich

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