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38.1%
of 160 commits were committed by an AI agent — a floor, not an estimate
38.1% agent · top contributor 52.5%5 contributors
team

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

61
agent commits
99
human commits
5
agent contributors
52.5%
largest contributor

Assisted or autonomous

61assisted
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

Jan26
Feb26
Mar26
Apr26
Jul26

Peak month: 66.7%. Bars are scaled to that peak, not to 100%.

Which agents

Claude CodeAnthropic6138.1%

Verify it yourself

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

  • 60369e9ffeat: redundancy awareness & cross-volume file comparison (#3053)Claude Code
  • 88e14121feat(tags): tag system with explorer integration, and media context menu fClaude Code
  • 75479df3fix library sync backfill O(N^2) hotspots on both sides of the protocol (#Claude Code

What was excluded

Commits in window178
Merge commits removed−18
CI / dependency bots removed−0
Considered160

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 spacedriveapp/spacedrive

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