Pulse
2026-09-18-v3.0
Dataset
2026-09-18-v3.0
Ruleset
b2e8889c66f7
Scanned
2026-09-16
Window
February–September 15, 2026
Local to this browser

01Result

nim-lang/Nim ↗

nim-lang/Nim AI coding statistics: 3.8%

of 342 commits in February–September 15, 2026 were committed by an AI agent — a floor, not an estimate
3.8% agent · top contributor 69.2%5 contributors
team

A small group is using agents. Adoption has spread beyond one person but is not project-wide.

13
agent commits
329
other considered commits
5
agent contributors
69.2%
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

13assisted
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. Across the whole index, 96% of agent commits are assisted.

Agent share by month

Agent-attributed commit share by month
MonthAgent shareConsidered commits
2026-0212.5%40
2026-032.2%45
2026-042.3%44
2026-0512%25
2026-062%51
2026-070%44
2026-081.9%52
2026-092.4%41

Peak month: 12.5%. Bars are scaled to that peak, not to 100%.

Which agents

AgentVendorCommitsShare
GitHub CopilotGitHub92.6%
Claude CodeAnthropic41.2%

03Evidence

Inspect the matches

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

Matched commit samples

  • 645e1317 on GitHubfixes #25796; fixes procParamTypeRel to ensure backend type consistency (#GitHub Copilot
  • e9a0c963 on GitHubfixes #25784; Object default field initialized with an object constructor GitHub Copilot
  • 854c1f15 on GitHubfixes #25687; optimizes seq assignment for orc (#25689)GitHub Copilot
  • e927887b on GitHubfix SIGSEGV on refc: genGenericAsgn must deep-copy from static data (#2616Claude Code
  • 27763495 on GitHublexer: add seven more unicode operators (#26074)Claude Code
  • b6842c14 on GitHubfix(uri): `?` operator now appends to existing query string (#25831)Claude Code

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 window351
Merge commits removed−0
CI / dependency bots removed−9
Considered342

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
nim-lang/Nim
Default branch
devel
Resolved HEAD
8f1a8f6342642933c07be49b7250364cb8184ab6 ↗
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.

CohortNim · 1 eligible repositories · at least 100 considered commits2026-09-18-v3.0 · February–September 15, 2026 · 0 of 1 ecosystem repositories excluded
Comparison withheld for a small cohort

Only 1 eligible repositories remain; qmmit requires at least 10 before showing a percentile. The cohort definition and sample size remain visible so the omission is auditable.

Continue exploring

Claude Code commitsBrowse repositories with detected Claude Code signatures →GitHub Copilot commitsBrowse repositories with detected GitHub Copilot 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 nim-lang/Nim

Scan another repository

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