{
  "slug": "chrome-devtools-mcp-adds-get-heapsnapshot-duplicate-strings-6c55386972f0",
  "title": "chrome-devtools-mcp adds get_heapsnapshot_duplicate_strings",
  "tools": [
    "chrome-devtools-mcp"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-07-03T11:18:49.000Z",
  "announced_at": "2026-07-03T11:18:49.000Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "When memory debugging is enabled, call `get_heapsnapshot_duplicate_strings` on a `.heapsnapshot` file to group duplicate strings by value. Add `pageIdx` and `pageSize` to paginate results when needed.",
    "examples": [
      "chrome-devtools get_heapsnapshot_duplicate_strings \"<path>.heapsnapshot\"",
      "get_heapsnapshot_duplicate_strings({\"filePath\":\"<path>.heapsnapshot\",\"pageIdx\":<index>,\"pageSize\":<count>})"
    ],
    "gotchas": [
      "Version: 1.5.0",
      "filePath (required): Path to a `.heapsnapshot` file to read.",
      "pageIdx: Page index for pagination.",
      "pageSize: Page size for pagination.",
      "Prerequisite: Enable memory debugging with `--memoryDebugging=true`.",
      "Requires `--memoryDebugging=true`.",
      "`filePath` must point to a `.heapsnapshot` file."
    ]
  },
  "why_it_matters": "Inspect a saved Chrome memory heapsnapshot to find repeated strings.",
  "sources": [
    "https://github.com/ChromeDevTools/chrome-devtools-mcp/releases/tag/chrome-devtools-mcp-v1.5.0",
    "https://github.com/ChromeDevTools/chrome-devtools-mcp/pull/2280",
    "https://github.com/ChromeDevTools/chrome-devtools-mcp/blob/chrome-devtools-mcp-v1.5.0/skills/chrome-devtools-cli/SKILL.md",
    "https://github.com/ChromeDevTools/chrome-devtools-mcp/blob/chrome-devtools-mcp-v1.5.0/docs/tool-reference.md"
  ],
  "rank": 0.94017,
  "judge": {
    "publish": true,
    "judge_model": "codex-cli/gpt-6-luna+typesafe/jev-1.13.0",
    "prompt_version": "extract-v7+enrich-v1+judge-v2x3+jev-publish-v1"
  },
  "review_state": "approved",
  "provenance": {
    "run_id": "ghtools-20261008",
    "verdict_id": "ghtools-20261008:ghtools-20261008-5670280c00fdf6d3-0:gate",
    "evidence_hash": "3d389df4a32db2a2af4c0a8490e335a04bfff3b2ecf526495ded439b3accd26c"
  },
  "review": {
    "draft_hash": "81e8a2bbe13b25cb53667dd1a21ce24f0067deca0523ec2d1b2321e6b13a1c1c",
    "reviewer": "publication-gate",
    "reviewed_at": "2026-10-07T00:00:00.000Z",
    "decision": "ghtools-20261008:gate",
    "reason": "3 of 3 judge runs approved with p_yes >= 0.9 (mean 0.94 >= 0.9; 2 needed) and Jev gave 0.81 (>= 0.6 needed)."
  }
}
