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OpenAPITools/openapi-generator ↗
5.1%
of 827 commits were committed by an AI agent — a floor, not an estimate
5.1% agent · top contributor 23.8%20 contributors
org-wide

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

42
agent commits
785
human commits
20
agent contributors
23.8%
largest contributor

Assisted or autonomous

42assisted
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: 9.7%. Bars are scaled to that peak, not to 100%.

Which agents

Claude CodeAnthropic273.3%
GitHub CopilotGitHub141.7%
Cursor AgentAnysphere20.2%

Verify it yourself

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

  • 8b46fb58[swift5] fix: make the urlsession client compile on Linux (#24872)Claude Code
  • d09ade8a[csharp] fix: stop percent-encoding the User-Agent (#24923)Claude Code
  • 51433f08[typescript-fetch] centralise date handling, add dateLibrary (#24722)Claude Code
  • 2e27e4adRevert "[CORE] - Feature: `forcedGenerateSchemas` — Force generation of scGitHub Copilot
  • da510a9bfix(spring;kotlin-spring): enhance pageable parameter detection with OpenAGitHub Copilot
  • c158fd6b[java][spring][kotlin-spring] Make @JsonInclude/@JsonSetter opt-in to stopGitHub Copilot
  • c7c0bf71fix(csharp): use numeric JSON operations for numeric enum converters (#229Cursor Agent
  • 9d5fe1c3[python] Fix unquoted string enum defaults causing NameError in python-fasCursor Agent

What was excluded

Commits in window1,224
Merge commits removed−1
CI / dependency bots removed−396
Considered827

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 OpenAPITools/openapi-generator

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