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espressif/esp-idf ↗
2.3%
of 3,429 commits were committed by an AI agent — a floor, not an estimate
2.3% agent · top contributor 20%21 contributors
org-wide

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

80
agent commits
3,349
human commits
21
agent contributors
20%
largest contributor

Assisted or autonomous

80assisted
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: 4.6%. Bars are scaled to that peak, not to 100%.

Which agents

Cursor AgentAnysphere591.7%
Claude CodeAnthropic140.4%
GitHub CopilotGitHub70.2%

Verify it yourself

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

  • 25a86c46feat(tsens): Load ESP32-H4 temperature calibration from eFuseCursor Agent
  • b63ecdc5fix(i2s): use GPIO5 as wav_player default DOUTCursor Agent
  • d648b858feat(tools): adopt esp-pylib for mcp-server logging and portsCursor Agent
  • db6b3104feat(tools): add -j/--jobs option to idf.pyClaude Code
  • b3a0e166feat: add compile_options support to idf.py build-fileClaude Code
  • 16275df0feat: add idf.py build-file command for standalone C filesClaude Code
  • e53eb6c1ci(bootloader): fixed multiboot example flakey test-caseGitHub Copilot
  • 54c6851btest: align esp32s31 freertos perf limitsGitHub Copilot
  • d59a7002docs(examples): fix broken README links found by check_readme_links CIGitHub Copilot

What was excluded

Commits in window5,525
Merge commits removed−2,096
CI / dependency bots removed−0
Considered3,429

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 espressif/esp-idf

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