Adoption is broad. Many contributors are committing agent-authored work, which is what a real organisational rollout looks like.
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: 98.7%. Bars are scaled to that peak, not to 100%.
Which agents
| Claude Code | Anthropic | 812 | 21.3% |
| Devin | Cognition | 37 | 1% |
| OpenAI Codex | OpenAI | 7 | 0.2% |
| Cursor Agent | Anysphere | 4 | 0.1% |
| GitHub Copilot | GitHub | 1 | 0% |
Verify it yourself
Sample commits that matched. Every one links to GitHub — check the trailers.
dffc2b3cfix(claude-local): skip expired credentials file when reading the Claude tClaude Code5b913e79ci: activate restore-only Rust dependency cache (#13459)Claude Codef97a3f88perf(ci): restore master's Rust dependency cache on the PR runner lane (#1Claude Code5488a79eci(docker): build each architecture on a native runner instead of QEMU (#1Devindc621184chore(lockfile): refresh pnpm-lock.yaml (#12094)Devin233c12f0feat: add kimi-local adapter for Kimi Code CLI (CLI + ACP engines) (#9967)Devin0798c77fSecure Cloud canonical runtime identity (#12766)OpenAI Codexfa16f88dchore(lockfile): refresh pnpm-lock.yaml (#12771)OpenAI Codexedb80835fix(server): serialize interaction review verdictsOpenAI Codex93ff6a87fix(cursor-cloud): drop unreachable Paperclip API callback for remote… (#8Cursor Agent1ba79d82fix(server): preserve terminal status on issue release (#7524)Cursor Agentf44a002bfix(ui): restore prefix-aware company export/import links (#6648)Cursor Agentb642d3e0fix(adapter-utils): use cmd.exe for .cmd/.bat wrappers on WindowsGitHub Copilot
What was excluded
| Commits in window | 4,433 |
| Merge commits removed | −376 |
| CI / dependency bots removed | −238 |
| Considered | 3,819 |
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 paperclipai/paperclip