{
  "dataset": "qmmit-open-source-agent-commit-index",
  "dataset_version": "2026-09-04",
  "repository_count": 500,
  "window": {
    "since": "2026-02-01",
    "label": "February-August 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"
  },
  "summary": {
    "repos": 500,
    "totalCommits": 660707,
    "aggregateSharePct": 8.5,
    "medianSharePct": 1.6,
    "assistedSharePct": 8.1,
    "autonomousSharePct": 0.3,
    "assistedOfAgentPct": 95.9,
    "zeroRepos": 184,
    "above25Pct": 62,
    "patternCounts": {
      "org-wide": 115,
      "individual": 123,
      "team": 81,
      "none": 181
    },
    "individualMedianTopShare": 87.5
  },
  "ecosystems": [
    {
      "ecosystem": "JS/TS",
      "n": 136,
      "median": 3.5,
      "mean": 11.5,
      "zeroCount": 35
    },
    {
      "ecosystem": "Python",
      "n": 120,
      "median": 3.5,
      "mean": 10.9,
      "zeroCount": 34
    },
    {
      "ecosystem": "Other",
      "n": 50,
      "median": 0,
      "mean": 2.3,
      "zeroCount": 39
    },
    {
      "ecosystem": "Go",
      "n": 33,
      "median": 2.8,
      "mean": 9.3,
      "zeroCount": 7
    },
    {
      "ecosystem": "Rust",
      "n": 30,
      "median": 2.3,
      "mean": 6.9,
      "zeroCount": 6
    },
    {
      "ecosystem": "C++",
      "n": 17,
      "median": 0.4,
      "mean": 7.8,
      "zeroCount": 5
    },
    {
      "ecosystem": "Java",
      "n": 16,
      "median": 0.7,
      "mean": 5.4,
      "zeroCount": 6
    },
    {
      "ecosystem": "Jupyter Notebook",
      "n": 14,
      "median": 0,
      "mean": 19.6,
      "zeroCount": 8
    },
    {
      "ecosystem": "Shell",
      "n": 14,
      "median": 0.5,
      "mean": 9.1,
      "zeroCount": 7
    },
    {
      "ecosystem": "C",
      "n": 10,
      "median": 0.1,
      "mean": 11.5,
      "zeroCount": 5
    },
    {
      "ecosystem": "Dart",
      "n": 6,
      "median": 0,
      "mean": 0.5,
      "zeroCount": 5
    },
    {
      "ecosystem": "HTML",
      "n": 5,
      "median": 0.3,
      "mean": 17.9,
      "zeroCount": 2
    },
    {
      "ecosystem": "Ruby",
      "n": 5,
      "median": 0.2,
      "mean": 1.6,
      "zeroCount": 2
    },
    {
      "ecosystem": "C#",
      "n": 4,
      "median": 2,
      "mean": 4,
      "zeroCount": 1
    },
    {
      "ecosystem": "CSS",
      "n": 4,
      "median": 0,
      "mean": 0,
      "zeroCount": 4
    },
    {
      "ecosystem": "Kotlin",
      "n": 4,
      "median": 1.8,
      "mean": 2.4,
      "zeroCount": 1
    },
    {
      "ecosystem": "Markdown",
      "n": 4,
      "median": 0,
      "mean": 0,
      "zeroCount": 3
    },
    {
      "ecosystem": "Swift",
      "n": 4,
      "median": 3.6,
      "mean": 13.6,
      "zeroCount": 0
    },
    {
      "ecosystem": "Clojure",
      "n": 3,
      "median": 0.9,
      "mean": 3.2,
      "zeroCount": 1
    },
    {
      "ecosystem": "MDX",
      "n": 3,
      "median": 2.5,
      "mean": 34.2,
      "zeroCount": 1
    },
    {
      "ecosystem": "Dockerfile",
      "n": 2,
      "median": 0,
      "mean": 0,
      "zeroCount": 2
    },
    {
      "ecosystem": "PHP",
      "n": 2,
      "median": 2,
      "mean": 2,
      "zeroCount": 1
    },
    {
      "ecosystem": "PowerShell",
      "n": 2,
      "median": 0.7,
      "mean": 0.7,
      "zeroCount": 0
    },
    {
      "ecosystem": "Vue",
      "n": 2,
      "median": 0,
      "mean": 0,
      "zeroCount": 2
    },
    {
      "ecosystem": "Assembly",
      "n": 1,
      "median": 0,
      "mean": 0,
      "zeroCount": 1
    },
    {
      "ecosystem": "Batchfile",
      "n": 1,
      "median": 0,
      "mean": 0,
      "zeroCount": 1
    },
    {
      "ecosystem": "Blade",
      "n": 1,
      "median": 0,
      "mean": 0,
      "zeroCount": 1
    },
    {
      "ecosystem": "Julia",
      "n": 1,
      "median": 29.8,
      "mean": 29.8,
      "zeroCount": 0
    },
    {
      "ecosystem": "Makefile",
      "n": 1,
      "median": 0,
      "mean": 0,
      "zeroCount": 1
    },
    {
      "ecosystem": "Nunjucks",
      "n": 1,
      "median": 0,
      "mean": 0,
      "zeroCount": 1
    },
    {
      "ecosystem": "Roff",
      "n": 1,
      "median": 0,
      "mean": 0,
      "zeroCount": 1
    },
    {
      "ecosystem": "Scala",
      "n": 1,
      "median": 0,
      "mean": 0,
      "zeroCount": 1
    },
    {
      "ecosystem": "Vim Script",
      "n": 1,
      "median": 2.6,
      "mean": 2.6,
      "zeroCount": 0
    },
    {
      "ecosystem": "Zig",
      "n": 1,
      "median": 3.3,
      "mean": 3.3,
      "zeroCount": 0
    }
  ],
  "source": "qmmit-cli deterministic Git metadata scans",
  "privacy": "Contributor identities are never exported; only aggregate counts are included."
}