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jaegertracing/jaeger ↗
28.3%
of 697 commits were committed by an AI agent — a floor, not an estimate
28.3% agent · top contributor 37.1%24 contributors
org-wide

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

197
agent commits
500
human commits
24
agent contributors
37.1%
largest contributor

Assisted or autonomous

196assisted
1autonomous

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
May26
Jun26
Jul26
Aug26
Sep26

Peak month: 59.4%. Bars are scaled to that peak, not to 100%.

Which agents

Claude CodeAnthropic14220.4%
GitHub CopilotGitHub568%
Cursor AgentAnysphere50.7%

Verify it yourself

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

  • 23970e87build(idl): Bump jaeger-idl to v0.12.0 (#9569)Claude Code
  • 20edabf2fix(release): Fail the release notes script on PRs that cannot be categoriClaude Code
  • af810fb5ci: Bump pnpm/action-setup to v6.1.0 for pnpm 12 support (#9562)Claude Code
  • aceb434cPrepare release v2.21.0 (#9556)GitHub Copilot
  • 70b78d8ctest(integration): Add a backward-compatibility suite for storage backendsGitHub Copilot
  • 18f9d8fefeat(jaegerai): Add gen_ai.tool.call.arguments/result to sidecar tool-callGitHub Copilot
  • aceb434cPrepare release v2.21.0 (#9556)Cursor Agent
  • 0413ecdffix(query): Cap SearchDepth at 10000 and reject negatives (#9492)Cursor Agent
  • c251cd82docs(maintainers): Update jkowall and yurishkuro employer affiliations (#9Cursor Agent

What was excluded

Commits in window712
Merge commits removed−0
CI / dependency bots removed−15
Considered697

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 jaegertracing/jaeger

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