2.3%

of 173 commits were committed by an AI agent — a floor, not an estimate

2.3% agent · top contributor 25%4 contributors

team

A small group is using agents. Adoption has spread beyond one person but is not project-wide.

agent commits

169

human commits

agent contributors

25%

largest contributor

Assisted or autonomous

4assisted

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: 8.3%. Bars are scaled to that peak, not to 100%.

Which agents

Cursor Agent	Anysphere	2	1.2%
Claude Code	Anthropic	2	1.2%

Verify it yourself

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

63c64280feat(claude-code): add MCP vs Skills video to skills topics (#10140)Cursor Agent
3262e7a5fix(ai-quiz): cap verify payload question length (#10026)Cursor Agent
d078667cFix dead neptune.ai blog links (#10142)Claude Code
ddb9095bcontent(docker): add descriptions for Linux fundamentals topics (#9769)Claude Code

What was excluded

Commits in window	472
Merge commits removed	−0
CI / dependency bots removed	−299
Considered	173

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 nilbuild/developer-roadmap

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