{
  "dataset": "qmmit-open-source-agent-commit-index",
  "schema_version": "3.0.0",
  "dataset_version": "2026-09-18-v3.0",
  "release_tag": "v3.0",
  "release_date": "2026-09-18",
  "scan_date": "2026-09-16",
  "ruleset": {
    "version": "sha256:b2e8889c66f72c18a61839f0bf1a9f77b5481ba2def044dba33c797b2f2bdcae",
    "source": "qmmit-cli/src/signatures.js"
  },
  "repository_resolution": {
    "resolved_at": "2026-09-16",
    "validated_repositories": 2000,
    "invalid_repositories": 0,
    "redirected_repositories": 1,
    "duplicate_canonical_repositories": 0,
    "artifact": "repository-resolution.json"
  },
  "repository_count": 2000,
  "window": {
    "since": "2026-02-01",
    "until_exclusive": "2026-09-16",
    "label": "February–September 15, 2026",
    "note": "Fixed calendar window. Every repository measured over the same period."
  },
  "method": {
    "signal": "deterministic agent signatures only",
    "excluded": "merge commits, CI/dependency bots by [bot] convention",
    "reported": "floor, not estimate",
    "minConsidered": 100,
    "lowActivity": "included but flagged when fewer than 100 commits are considered"
  },
  "validation": {
    "study": "S1",
    "sample_size": 600,
    "precision": 0.9944711538461538,
    "precision_wilson_95": [
      0.9777370507659373,
      0.9986443896575192
    ],
    "weighted_recall": 0.7285545509264963,
    "raw_agreement": 0.9683333333333334,
    "cohens_kappa": 0.9376026272577996,
    "adjudicated_cases": 19,
    "gate": "pass",
    "adjudication": "Human study lead reviewed and confirmed all final decisions; AI-assisted recommendations were retained in the private audit trail."
  },
  "summary": {
    "repos": 2000,
    "totalCommits": 2236082,
    "aggregateSharePct": 8.5,
    "medianSharePct": 2,
    "assistedSharePct": 8.1,
    "autonomousSharePct": 0.3,
    "assistedOfAgentPct": 96,
    "zeroRepos": 648,
    "above25Pct": 255,
    "patternCounts": {
      "org-wide": 362,
      "individual": 655,
      "team": 346,
      "none": 637
    },
    "individualMedianTopShare": 91.8
  },
  "ecosystems": [
    {
      "ecosystem": "JS/TS",
      "n": 570,
      "median": 3.3,
      "mean": 11.2,
      "zeroCount": 149
    },
    {
      "ecosystem": "Python",
      "n": 392,
      "median": 4.8,
      "mean": 12.5,
      "zeroCount": 98
    },
    {
      "ecosystem": "Go",
      "n": 194,
      "median": 2.5,
      "mean": 10.5,
      "zeroCount": 47
    },
    {
      "ecosystem": "C/C++",
      "n": 178,
      "median": 0.2,
      "mean": 4.5,
      "zeroCount": 79
    },
    {
      "ecosystem": "Rust",
      "n": 150,
      "median": 1.7,
      "mean": 6.7,
      "zeroCount": 41
    },
    {
      "ecosystem": "Other",
      "n": 101,
      "median": 0,
      "mean": 5.8,
      "zeroCount": 68
    },
    {
      "ecosystem": "Java/Kotlin",
      "n": 101,
      "median": 0.4,
      "mean": 5.7,
      "zeroCount": 39
    },
    {
      "ecosystem": "Shell",
      "n": 44,
      "median": 0.9,
      "mean": 8.1,
      "zeroCount": 20
    },
    {
      "ecosystem": "Jupyter Notebook",
      "n": 37,
      "median": 1.2,
      "mean": 20,
      "zeroCount": 17
    },
    {
      "ecosystem": "C#",
      "n": 31,
      "median": 2.1,
      "mean": 10.2,
      "zeroCount": 8
    },
    {
      "ecosystem": "HTML",
      "n": 24,
      "median": 9,
      "mean": 17.1,
      "zeroCount": 8
    },
    {
      "ecosystem": "Swift",
      "n": 23,
      "median": 1.5,
      "mean": 12,
      "zeroCount": 6
    },
    {
      "ecosystem": "PHP",
      "n": 23,
      "median": 0.3,
      "mean": 2.2,
      "zeroCount": 8
    },
    {
      "ecosystem": "Ruby",
      "n": 18,
      "median": 0.5,
      "mean": 3.6,
      "zeroCount": 7
    },
    {
      "ecosystem": "Dart",
      "n": 13,
      "median": 0,
      "mean": 0.4,
      "zeroCount": 9
    },
    {
      "ecosystem": "Lua",
      "n": 8,
      "median": 0.6,
      "mean": 1.2,
      "zeroCount": 3
    },
    {
      "ecosystem": "Markdown",
      "n": 8,
      "median": 0.1,
      "mean": 4.7,
      "zeroCount": 4
    },
    {
      "ecosystem": "CSS",
      "n": 7,
      "median": 0,
      "mean": 8.5,
      "zeroCount": 6
    },
    {
      "ecosystem": "MDX",
      "n": 6,
      "median": 5.1,
      "mean": 19.8,
      "zeroCount": 2
    },
    {
      "ecosystem": "PowerShell",
      "n": 6,
      "median": 0.6,
      "mean": 13.9,
      "zeroCount": 2
    },
    {
      "ecosystem": "Clojure",
      "n": 4,
      "median": 4.8,
      "mean": 4.6,
      "zeroCount": 1
    },
    {
      "ecosystem": "Elixir",
      "n": 4,
      "median": 0.8,
      "mean": 5.7,
      "zeroCount": 0
    },
    {
      "ecosystem": "Dockerfile",
      "n": 4,
      "median": 0,
      "mean": 20.5,
      "zeroCount": 3
    },
    {
      "ecosystem": "Haskell",
      "n": 3,
      "median": 2.3,
      "mean": 7.8,
      "zeroCount": 1
    },
    {
      "ecosystem": "Scala",
      "n": 3,
      "median": 0.6,
      "mean": 0.6,
      "zeroCount": 1
    },
    {
      "ecosystem": "Vim Script",
      "n": 3,
      "median": 6.9,
      "mean": 8.1,
      "zeroCount": 0
    },
    {
      "ecosystem": "Zig",
      "n": 3,
      "median": 2.8,
      "mean": 2,
      "zeroCount": 1
    },
    {
      "ecosystem": "Batchfile",
      "n": 3,
      "median": 0,
      "mean": 0,
      "zeroCount": 3
    },
    {
      "ecosystem": "Astro",
      "n": 2,
      "median": 38.8,
      "mean": 38.8,
      "zeroCount": 0
    },
    {
      "ecosystem": "Makefile",
      "n": 2,
      "median": 0.7,
      "mean": 0.7,
      "zeroCount": 1
    },
    {
      "ecosystem": "Fluent",
      "n": 2,
      "median": 3,
      "mean": 3,
      "zeroCount": 0
    },
    {
      "ecosystem": "Emacs Lisp",
      "n": 2,
      "median": 1,
      "mean": 1,
      "zeroCount": 0
    },
    {
      "ecosystem": "Crystal",
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      "median": 1.4,
      "mean": 1.4,
      "zeroCount": 0
    },
    {
      "ecosystem": "Perl",
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      "median": 0,
      "mean": 0,
      "zeroCount": 2
    },
    {
      "ecosystem": "SCSS",
      "n": 2,
      "median": 3.1,
      "mean": 3.1,
      "zeroCount": 1
    },
    {
      "ecosystem": "Inno Setup",
      "n": 1,
      "median": 24.1,
      "mean": 24.1,
      "zeroCount": 0
    },
    {
      "ecosystem": "LLVM",
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      "mean": 2.8,
      "zeroCount": 0
    },
    {
      "ecosystem": "V",
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      "mean": 2,
      "zeroCount": 0
    },
    {
      "ecosystem": "Mojo",
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      "zeroCount": 1
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    {
      "ecosystem": "CMake",
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      "mean": 7.5,
      "zeroCount": 0
    },
    {
      "ecosystem": "Solidity",
      "n": 1,
      "median": 15,
      "mean": 15,
      "zeroCount": 0
    },
    {
      "ecosystem": "Text",
      "n": 1,
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      "mean": 0,
      "zeroCount": 1
    },
    {
      "ecosystem": "Nix",
      "n": 1,
      "median": 0.1,
      "mean": 0.1,
      "zeroCount": 0
    },
    {
      "ecosystem": "PLSQL",
      "n": 1,
      "median": 0,
      "mean": 0,
      "zeroCount": 1
    },
    {
      "ecosystem": "Starlark",
      "n": 1,
      "median": 2.8,
      "mean": 2.8,
      "zeroCount": 0
    },
    {
      "ecosystem": "Meson",
      "n": 1,
      "median": 0,
      "mean": 0,
      "zeroCount": 1
    },
    {
      "ecosystem": "MLIR",
      "n": 1,
      "median": 2.9,
      "mean": 2.9,
      "zeroCount": 0
    },
    {
      "ecosystem": "Groovy",
      "n": 1,
      "median": 3.2,
      "mean": 3.2,
      "zeroCount": 0
    },
    {
      "ecosystem": "Jinja",
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      "zeroCount": 1
    },
    {
      "ecosystem": "Nim",
      "n": 1,
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      "mean": 3.8,
      "zeroCount": 0
    },
    {
      "ecosystem": "Objective-C",
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      "median": 2.1,
      "mean": 2.1,
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    },
    {
      "ecosystem": "WebAssembly",
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      "mean": 0,
      "zeroCount": 1
    },
    {
      "ecosystem": "MATLAB",
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      "zeroCount": 1
    },
    {
      "ecosystem": "Mustache",
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    {
      "ecosystem": "Erlang",
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    {
      "ecosystem": "Julia",
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      "mean": 28.6,
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    },
    {
      "ecosystem": "Assembly",
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    },
    {
      "ecosystem": "Nunjucks",
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    {
      "ecosystem": "Blade",
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    {
      "ecosystem": "Roff",
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      "zeroCount": 1
    }
  ]
}