2.7%

of 5,183 commits were committed by an AI agent — a floor, not an estimate

2.7% agent · top contributor 53.6%20 contributors

team

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

138

agent commits

5,045

human commits

agent contributors

53.6%

largest contributor

Assisted or autonomous

138assisted

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

May26

Jun26

Jul26

Aug26

Sep26

Peak month: 6%. Bars are scaled to that peak, not to 100%.

Which agents

Cursor Agent	Anysphere	86	1.7%
Claude Code	Anthropic	48	0.9%
OpenAI Codex	OpenAI	3	0.1%
Devin	Cognition	1	0%

Verify it yourself

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

45889198fix(agent): decouple read coverage from write evidence recoveryCursor Agent
99040648fix(desktop): gray out locked provider name with a rename hint / 灰显供应商名称并提Cursor Agent
f53edb59fix(session): fold recovery lineages into one ordinary list row / 恢复谱系折叠为单Cursor Agent
c9efeec8fix(desktop): build Windows service as GUI subsystemClaude Code
36d418e6feat(serve,desktop): multi-session detach, gzip snapshot transport, and crClaude Code
7d88bbe8docs(boot): restore applyUnifiedProviderToolSurface's doc commentClaude Code
1a87cd4cIntegrate clear context telemetry fixes / 集成清空上下文与统计面板修复 (#4329)OpenAI Codex
368dad0efix(desktop): honor user font in UI chrome (#3605)OpenAI Codex
f6e6673dfeat(desktop): add text size shortcuts (#3576)OpenAI Codex
f8758bb5fix(desktop): persist the restore rectangle instead of the maximized frameDevin

What was excluded

Commits in window	7,082
Merge commits removed	−1,780
CI / dependency bots removed	−119
Considered	5,183

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 esengine/DeepSeek-Reasonix

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