Pulse
2026-09-18-v3.0
Dataset
2026-10-27-catalog-ai-v2
Ruleset
b2e8889c66f7
Scanned
2026-10-27
Window
February–September 15, 2026
Catalog tracking observation. This repository is measured with the same fixed window and ruleset, but it is not part of the published benchmark or its aggregate claims.

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01Result

cpinitiative/usaco-guide ↗

cpinitiative/usaco-guide AI coding statistics: 4%

of 1,998 commits in February–September 15, 2026 were committed by an AI agent — a floor, not an estimate
4% agent · top contributor 93.7%4 contributors
individual

One person is driving this. The headline number reflects a single contributor's workflow, not a project-wide shift.

79
agent commits
1,919
other considered commits
4
agent contributors
93.7%
largest contributor

02Drivers

What shapes this result

Mode, timing, and detected signatures show whether the result reflects broad adoption or one concentrated workflow.

Assisted or autonomous

79assisted
0autonomous

Assisted — a developer’s identity authored the commit and the agent added itself as co-author. Autonomous — a bot identity authored the commit without a human identity attached.

Agent share by month

Agent-attributed commit share by month
MonthAgent shareConsidered commits
2026-020%267
2026-030%231
2026-040%200
2026-050%101
2026-060.7%433
2026-072.6%304
2026-0816.2%241
2026-0913.1%221

Peak month: 16.2%. Bars are scaled to that peak, not to 100%.

Which agents

AgentVendorCommitsShare
Claude CodeAnthropic794%

03Evidence

Inspect the matches

Public commit samples let you inspect the signatures behind the aggregate result.

Matched commit samples

04Method

What entered the denominator

The result begins with commit history, removes merges and routine automation, and reports literal agent signatures as a lower bound.

Exclusion ledger

Commits in window3,284
Merge commits removed−699
CI / dependency bots removed−587
Considered1,998

Bots are excluded from the denominator entirely. Agent attribution requires a literal supported signature; no code-style inference is used.

Continue exploring

Claude Code commitsBrowse repositories with detected Claude Code signatures →GitHub AI commit analyzerInspect another repository with the same evidence model →
Reproduce this observation

Run the same detector locally.

Deterministic signature matching; no code-style inference. Squash merges can remove trailers, so this result remains a measured floor.

npx qmmit-cli cpinitiative/usaco-guide

Scan another repository

Try