Dataset: 2026-09-18-v3.0
Ruleset: b2e8889c66f7
Scanned: 2026-09-16
Window: February–September 15, 2026

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01Result

microsoft/vscode ↗

microsoft/vscode AI coding statistics: 34.1%

of 15,045 commits in February–September 15, 2026 were committed by an AI agent — a floor, not an estimate

34.1% agent · top contributor 8.7%182 contributors

org-wide

Adoption is broad. Many contributors are committing agent-authored work, which is what a real organisational rollout looks like.

5,136

agent commits

9,909

other considered commits

182

agent contributors

8.7%

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

4874assisted

262autonomous

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. Across the whole index, 96% of agent commits are assisted.

Agent share by month

Agent-attributed commit share by month
Month	Agent share	Considered commits
2026-01	0%	1
2026-02	11.4%	2362
2026-03	19.7%	2666
2026-04	30.7%	2229
2026-05	25.9%	1681
2026-06	40.5%	1698
2026-07	49.4%	1669
2026-08	60.8%	1855
2026-09	65.7%	884

Peak month: 65.7%. Bars are scaled to that peak, not to 100%.

Which agents

Agent	Vendor	Commits	Share
GitHub Copilot	GitHub	5068	33.7%
Claude Code	Anthropic	68	0.5%
Cursor Agent	Anysphere	7	0%

03Evidence

Inspect the matches

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

Matched commit samples

2e72cd1e on GitHubPreserve native errors in logs for debugger source mapping (#336332)GitHub Copilot
b91d3248 on GitHubagentHost: experiment with Copilot skill character budget (#336335)GitHub Copilot
aa513800 on GitHubMake hover mouseout dismissal tests deterministic (#336325)GitHub Copilot
f9550496 on GitHubFix main process OOM from unconsumed buffered pty host service events (#32Claude Code
1bea02a9 on GitHubsessions: back the checkpoint and fork rows over a chat background (#33498Claude Code
4603a7f7 on GitHubFix terminal-editor shift-drop firing on detached instances (#318756)Claude Code
2df67b33 on GitHubFix Modern UI editor tab decoration color on full label (#325291)Cursor Agent
3855b8b8 on GitHubdebug: right-align toolbar actions in exception widget (#324471)Cursor Agent
4ac53226 on GitHubfix(terminal): track ligatures addon config for change detection (#318992)Cursor Agent

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	17,589
Merge commits removed	−2,145
CI / dependency bots removed	−399
Considered	15,045

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

05Provenance

Pinned to a source state

This observation names the repository state, release, and detector that produced it. Use these identifiers when reproducing or citing the result.

Dataset release: 2026-09-18-v3.0
Scan date: 2026-09-16
Ruleset: sha256:b2e8889c66f72c18a61839f0bf1a9f77b5481ba2def044dba33c797b2f2bdcae
Canonical repository: microsoft/vscode
Default branch: main
Resolved HEAD: f80869ac3889f66f437dcbc430b83755ff7d0807 ↗
Resolved: 2026-09-16
Measurement window: February–September 15, 2026

Download observation JSONDeterministic export · same values as this page

06Peer context

Position among comparable repositories

The cohort uses the same release and measurement window, then narrows to the repository’s ecosystem and removes low-activity observations.

CohortJS/TS · 376 eligible repositories · at least 100 considered commits2026-09-18-v3.0 · February–September 15, 2026 · 194 of 570 ecosystem repositories excluded

Agent-commit share position87th percentile

Midrank percentile; equal shares split the tied positions.

Repository: 34.1%
Cohort median: 5.4%
Share rank: 50 / 376

0th50th100th

Percentile = (repositories below + half of 1 tied repository) ÷ 376.

Continue exploring

Claude Code commitsBrowse repositories with detected Claude Code signatures →GitHub Copilot commitsBrowse repositories with detected GitHub Copilot signatures →Cursor Agent commitsBrowse repositories with detected Cursor Agent 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 microsoft/vscode

Scan another repository

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