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

dr5hn/countries-states-cities-database ↗

dr5hn/countries-states-cities-database AI coding statistics: 83.6%

of 219 commits in February–September 15, 2026 were committed by an AI agent — a floor, not an estimate

83.6% agent · top contributor 95.1%6 contributors

individual

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

183

agent commits

other considered commits

agent contributors

95.1%

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

183assisted

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

Peak month: 92%. Bars are scaled to that peak, not to 100%.

Which agents

Agent	Vendor	Commits	Share
Claude Code	Anthropic	175	79.9%
GitHub Copilot	GitHub	10	4.6%

03Evidence

Inspect the matches

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

Matched commit samples

d6b9d9d1 on GitHubFix postcode duplicate detection + document source-license audit gap (#161Claude Code
7fda0afd on GitHubfeat(CU): add 5 missing Havana municipalities (closes #1610) (#1611)Claude Code
624a208c on GitHubfeat(BE): add English city-name translations for all 549 cities (#1602)Claude Code
ab36a73c on GitHubfix(ci): tolerate read-only token on fork PRs in validation report (#1558)GitHub Copilot
2aef04c7 on GitHubfix(ci): stop validate-schema false-positives on auto-managed fields (#154GitHub Copilot
04df77c5 on GitHubfeat: add 43 missing Selangor cities to Malaysia dataset (#1371)GitHub Copilot

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 window	241
Merge commits removed	−2
CI / dependency bots removed	−20
Considered	219

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 Copilot commitsBrowse repositories with detected GitHub Copilot signatures →Python AI coding statisticsCompare evidence across Python repositories →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 dr5hn/countries-states-cities-database

Scan another repository

Try

Month	Agent share	Considered commits
2026-03	76.7%	30
2026-04	92%	113
2026-05	84.3%	51
2026-06	77.8%	9
2026-07	57.1%	7
2026-08	22.2%	9