15.7%

of 4,792 commits were committed by an AI agent — a floor, not an estimate

15.7% agent · top contributor 17.4%103 contributors

org-wide

Adoption is broad. Many contributors are committing agent-authored work, which is what a real organisational rollout looks like.

751

agent commits

4,041

human commits

103

agent contributors

17.4%

largest contributor

Assisted or autonomous

749assisted

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

Apr26

May26

Jun26

Jul26

Aug26

Sep26

Peak month: 36%. Bars are scaled to that peak, not to 100%.

Which agents

Claude Code	Anthropic	668	13.9%
GitHub Copilot	GitHub	76	1.6%
OpenAI Codex	OpenAI	3	0.1%
Cursor Agent	Anysphere	2	0%
Devin	Cognition	2	0%

Verify it yourself

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

a7b13f28feat(gateway): multi-tenant Linq channel with per-alias routing (#7041)Claude Code
51df9004fix(agent): exclude Conversation memories from build_context recall (#5415Claude Code
70b84d30fix: derive HTTP client timeout from tool_timeout_secs (fixes #6383) (#639Claude Code
78dff8f9refactor(hardware): move wizard UI from main.rs to zeroclaw_hardware:wizarGitHub Copilot
4b5fa50bchore: remove unused translation keys from all localesGitHub Copilot
39891105fix: issue 4855 (#4895)GitHub Copilot
669869b9fix(docs): generate lang switcher before mdbook sync (#6486)OpenAI Codex
b7938b80fix(channels): recall autosaved conversation memories (#6363)OpenAI Codex
d52a6980feat(i18n): add zh-CN WeChat CLI strings (#6242)OpenAI Codex
a22dc39efix(cron): enable delivery for crons created from external channelsCursor Agent
11153b6afeat(channels): add reaction support to Channel trait and Discord implemenCursor Agent
52b05a7c[supersede #1354 v2] feat(composio): fix v3 compatibility with parameter dDevin
44fa7f3dfix(agent): include workspace files when AIEOS identity is configuredDevin

What was excluded

Commits in window	5,255
Merge commits removed	−399
CI / dependency bots removed	−64
Considered	4,792

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 zeroclaw-labs/zeroclaw

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