How much of mdBook did AI write?
0.1%
LinkedInWho signed the commits
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 | 12 | 0 | 0% |
| Sep 2026 | 25 | 0 | 0% |
| Aug 2026 | 33 | 1 | 3% |
| Jul 2026 | 18 | 0 | 0% |
| Jun 2026 | 13 | 0 | 0% |
| May 2026 | 9 | 0 | 0% |
| Apr 2026 | 11 | 1 | 9.1% |
| Mar 2026 | 6 | 0 | 0% |
| Feb 2026 | 11 | 0 | 0% |
| Jan 2026 | 3 | 0 | 0% |
| Dec 2025 | 9 | 0 | 0% |
| Nov 2025 | 34 | 0 | 0% |
| Oct 2025 | 38 | 0 | 0% |
| Sep 2025 | 45 | 0 | 0% |
| Aug 2025 | 58 | 0 | 0% |
| Jul 2025 | 68 | 0 | 0% |
| Jun 2025 | 5 | 0 | 0% |
| May 2025 | 31 | 0 | 0% |
| Apr 2025 | 93 | 0 | 0% |
| Mar 2025 | 38 | 0 | 0% |
| Feb 2025 | 16 | 0 | 0% |
| Jan 2025 | 13 | 0 | 0% |
| Dec 2024 | 4 | 0 | 0% |
| Nov 2024 | 13 | 0 | 0% |
The last commits an AI signed
- fdf3f1eci: keep the existing macOS runnersCodex· Aug 16, 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.
Every AI tool SeeRepo recognizes →Frequently asked questions
Which AI tool signed the most commits in mdBook?
Codex, with 2 of the 2,281 commits of mdBook.
The proof: its last signed commit, fdf3f1e
Since when does AI sign commits in mdBook?
Since April 2026: the first month an AI tool signed a commit of mdBook.
How many commits does mdBook have?
mdBook has 2,281 commits since July 6, 2015. Merges don’t count.
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