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78/xiaozhi-esp32 ↗
13.3%
of 210 commits were committed by an AI agent — a floor, not an estimate
13.3% agent · top contributor 32.1%10 contributors
org-wide

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

28
agent commits
182
human commits
10
agent contributors
32.1%
largest contributor

Assisted or autonomous

28assisted
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: 38.7%. Bars are scaled to that peak, not to 100%.

Which agents

Claude CodeAnthropic94.3%
Cursor AgentAnysphere94.3%
GitHub CopilotGitHub94.3%
OpenAI CodexOpenAI21%

Verify it yourself

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

  • 2b183ab3fix(esp-vocat): apply V1.2 pins on the cached path tooClaude Code
  • 213f33bafix(esp-vocat): stabilize PCB version detection across soft resetsClaude Code
  • d68505f5Add pt-BR (Brazilian Portuguese) locale (#2243)Claude Code
  • ac6deed3Disable C++ exceptions and keep ESP32-S31 firmware in the 4MB OTA slot (#2Cursor Agent
  • 7aa92666fix: keep AFE and LVGL out of the internal SRAM bottleneckCursor Agent
  • 3cd9385ffix(nt26): handle uart-eth-modem 0.6 events and QueryCellInfoCursor Agent
  • d88d2c89fix(esp-hi): fit 4MB assets and restore ST7735 bring-up (#2238)GitHub Copilot
  • 01212107Fix mirrored camera image on AtomS3R-M12 (OV3660) (#2155)GitHub Copilot
  • 49ac8a6dchore: upgrade version to 2.2.6 (#1944)GitHub Copilot
  • 2a9157dbBind Otto MCP responses to request client (#2021)OpenAI Codex
  • e182471fValidate MQTT goodbye session id (#2023)OpenAI Codex

What was excluded

Commits in window241
Merge commits removed−31
CI / dependency bots removed−0
Considered210

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 78/xiaozhi-esp32

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