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shadcn-ui/ui ↗
7%
of 748 commits were committed by an AI agent — a floor, not an estimate
7% agent · top contributor 42.3%28 contributors
org-wide

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

52
agent commits
696
human commits
28
agent contributors
42.3%
largest contributor

Assisted or autonomous

52assisted
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

Peak month: 17.6%. Bars are scaled to that peak, not to 100%.

Which agents

Claude CodeAnthropic314.1%
Cursor AgentAnysphere131.7%
GitHub CopilotGitHub70.9%
DevinCognition10.1%

Verify it yourself

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

  • 2f3b7a65feat(registry): add @initium to registry directory (#11464)Claude Code
  • deda4df8feat(shadcn): add SOCKS proxy support (#10453)Claude Code
  • 6261bd89feat: update data table docs to TanStack Table v9 (#11399)Claude Code
  • 3cc09c1afeat(registry): add @atroui (#11420)Cursor Agent
  • 8705f2befeat(registry): add @shoogle to the registry directory (#11373)Cursor Agent
  • 95407162feat(registry): add @kinetic to the registry directory (#11338)Cursor Agent
  • abbdd329 fix(v4): add missing sera styles to public schema (#10452)GitHub Copilot
  • 3a2d8125fixGitHub Copilot
  • 78115570fixGitHub Copilot
  • 9f4e3ff2fix(shadcn): suppress EACCES when resolving monorepo targets (#11504)Devin

What was excluded

Commits in window1,081
Merge commits removed−276
CI / dependency bots removed−57
Considered748

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 shadcn-ui/ui

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