Who writes it
How much of storybook did AI write?
37%
AI signed 37% of the 62,992 commits of storybook.
Since its first commit, on December 11, 2015. Read on October 27, 2026, at commit a4f4acc. Read it as markdown
Who signed the commits
- Cursor35.2% · 22,144 commits
- Claude2.4% · 1,531 commits
- GitHub Copilot0.5% · 305 commits
- CodeRabbit0.1% · 35 commits
- Codex0% · 13 commits
- Amp0% · 1 commit
- People63%
Commits per month
Each month's commits up to its last one, with those an AI signed. Merges don't count.
- Signed by AI
- People
The figures, month by month
| Month | Commits | Signed by AI | Share |
|---|---|---|---|
| Oct 2026 | 1,311 | 836 | 63.8% |
| Sep 2026 | 1,101 | 602 | 54.7% |
| Aug 2026 | 1,119 | 1,067 | 95.4% |
| Jul 2026 | 726 | 695 | 95.7% |
| Jun 2026 | 910 | 893 | 98.1% |
| May 2026 | 803 | 753 | 93.8% |
| Apr 2026 | 753 | 733 | 97.3% |
| Mar 2026 | 870 | 800 | 92% |
| Feb 2026 | 464 | 430 | 92.7% |
| Jan 2026 | 609 | 560 | 92% |
| Dec 2025 | 551 | 532 | 96.6% |
| Nov 2025 | 1,028 | 982 | 95.5% |
| Oct 2025 | 722 | 656 | 90.9% |
| Sep 2025 | 603 | 576 | 95.5% |
| Aug 2025 | 282 | 271 | 96.1% |
| Jul 2025 | 619 | 575 | 92.9% |
| Jun 2025 | 566 | 554 | 97.9% |
| May 2025 | 583 | 485 | 83.2% |
| Apr 2025 | 618 | 544 | 88% |
| Mar 2025 | 874 | 843 | 96.5% |
| Feb 2025 | 459 | 407 | 88.7% |
| Jan 2025 | 551 | 488 | 88.6% |
| Dec 2024 | 438 | 361 | 82.4% |
| Nov 2024 | 450 | 394 | 87.6% |
The last commits an AI signed
- f2fa5d8Import SupportedRenderer as a typeClaude · Oct 26, 2026
- 3d5f532Run the Node 26 smoke job only in ci:dailyCursor · Oct 26, 2026
- af7ad19Run the Node 26 smoke job in ci:focus when a global input changesCursor · Oct 26, 2026
- 70dbc4eDrop the compile step from the Node 26 smoke jobCursor · Oct 26, 2026
- 7834bc5Drop the Node.js 20.19 prerelease note from the migration guideCursor · Oct 26, 2026
- 5235b0bShorten the npm pin comment in the setup actionCursor · Oct 26, 2026
- 1a011a7Ignore the pinned npm install in the setup actionCursor · Oct 26, 2026
- 2e086d8Resolve dist-tags before the Remix 3 version checkCursor · Oct 26, 2026
- a006946docs(skills): drop ci label placeholder from gh pr create commandsClaude · Oct 26, 2026
- 1fc6b1fCI: Require the Slack settings only when the nightly report postsClaude · Oct 23, 2026
How we know
Every AI coding tool leaves its signature in the commits it makes: a Co-Authored-By line, its own author name, or the merge of its branch. SeeRepo reads those signatures in the repo's history; a commit without one counts as made by people, and merges don't count.
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