One person is driving this. The headline number reflects a single contributor's workflow, not a project-wide shift.
Assisted or autonomous
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
Peak month: 25.8%. Bars are scaled to that peak, not to 100%.
Which agents
| Claude Code | Anthropic | 74 | 13.3% |
| GitHub Copilot | GitHub | 3 | 0.5% |
Verify it yourself
Sample commits that matched. Every one links to GitHub — check the trailers.
d8332448Publish Wasp Spec in CI (#4461)Claude Code8dd1d740Add Searchcraft use case blog post (draft)Claude Codef812bf7eUpgrade Haskell tooling (#4396)Claude Codea9e5e280Fix: use stable id as React key in 2 more example apps (#4516)GitHub Copilote7b4b465Docs: fix typos in entities.md code examples (#4522)GitHub Copilot5b535113Fix Docusaurus admonition rendering in all versioned documentation (#3805)GitHub Copilot
What was excluded
| Commits in window | 633 |
| Merge commits removed | −71 |
| CI / dependency bots removed | −6 |
| Considered | 556 |
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 wasp-lang/wasp