Who writes it
How much of spec-kit did AI write?
47.1%
AI signed 47.1% of the 2,178 commits of spec-kit. Signed by GitHub Copilot (680), Claude (375), Cursor (6), Mistral Vibe (2), Factory (1), Codex (1), and Gemini (1).
Since its first commit, on August 21, 2025. Read on November 4, 2026, at commit a227e38. Read it as markdown
Who signed the commits
- GitHub Copilot680 commits · 31.2%Its last one: a227e38
- Claude375 commits · 17.2%
- Cursor6 commits · 0.3%
- Mistral Vibe2 commits · 0.1%
Factory1 commit · 0%- +2 more
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 |
|---|---|---|---|
| Nov 2026 | 30 | 21 | 70% |
| Oct 2026 | 213 | 140 | 65.7% |
| Sep 2026 | 222 | 124 | 55.9% |
| Aug 2026 | 196 | 126 | 64.3% |
| Jul 2026 | 391 | 277 | 70.8% |
| Jun 2026 | 253 | 136 | 53.8% |
| May 2026 | 152 | 26 | 17.1% |
| Apr 2026 | 187 | 61 | 32.6% |
| Mar 2026 | 131 | 55 | 42% |
| Feb 2026 | 36 | 13 | 36.1% |
| Jan 2026 | 0 | 0 | — |
| Dec 2025 | 9 | 0 | 0% |
| Nov 2025 | 35 | 6 | 17.1% |
| Oct 2025 | 130 | 12 | 9.2% |
| Sep 2025 | 176 | 28 | 15.9% |
| Aug 2025 | 17 | 1 | 5.9% |
The last commits an AI signed
- a227e38docs: organize usage guides under How to (#5230)GitHub Copilot· Nov 3, 2026
- aac447bdocs: extend project history through early November 2026 (#5231)GitHub Copilot· Nov 3, 2026
- 5e8bd40docs: simplify integrations navigation dropdown (#5229)GitHub Copilot· Nov 3, 2026
- cbe5280Update Quality Gates (Enforcement Layer) extension to v0.5.1 (#5228)GitHub Copilot· Nov 3, 2026
- 275ebdddocs: consolidate bundle documentation and remove unusable examples (#5226)GitHub Copilot· Nov 3, 2026
- bc0f30aUpdate Cross-Platform Governance preset to v0.2.5 (#5218)GitHub Copilot· Nov 3, 2026
- 980f9c1docs: consolidate and correct workflow documentation (#5225)GitHub Copilot· Nov 3, 2026
- 911f694docs: consolidate and correct preset documentation (#5223)GitHub Copilot· Nov 3, 2026
- 663d2ad[bug-fix] Fix oversized-number-crash: bound Python --number parsing (#5200)GitHub Copilot· Nov 3, 2026
- 89ad263docs: consolidate and correct extension documentation (#5221)GitHub Copilot· Nov 3, 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 spec-kit?
The proof: its last signed commit, a227e38
Since when does AI sign commits in spec-kit?
How many commits does spec-kit have?
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