{
  "slug": "chrome-devtools-mcp-adds-get-heapsnapshot-object-details-e468b2cbdcc4",
  "title": "chrome-devtools-mcp adds get_heapsnapshot_object_details",
  "tools": [
    "chrome-devtools-mcp"
  ],
  "tags": [
    "agent"
  ],
  "introduced_at": "2026-08-10T08:14:18.000Z",
  "announced_at": "2026-08-10T08:14:18.000Z",
  "effective_at": null,
  "date_basis": "source-publication",
  "status": "unknown",
  "how": {
    "incantation": "When debugging memory use, enable memory debugging and call `get_heapsnapshot_object_details` with a `.heapsnapshot` path and node ID to retrieve the object's size, type, distance, and DOM detachedness.",
    "examples": [
      "get_heapsnapshot_object_details({\"filePath\":\"<path-to-file.heapsnapshot>\",\"nodeId\":<node-id>})"
    ],
    "gotchas": [
      "Version: 1.7.0",
      "--memoryDebugging=true (required): Enables memory debugging tools.",
      "filePath (required): Path to a `.heapsnapshot` file to read.",
      "nodeId (required): Node ID of the object to inspect.",
      "Prerequisite: Start the MCP server with `--memoryDebugging=true` enabled.",
      "Prerequisite: Provide a path to a `.heapsnapshot` file and the target node ID.",
      "Requires the `--memoryDebugging=true` flag.",
      "Requires a path to a `.heapsnapshot` file and a node ID."
    ]
  },
  "why_it_matters": "Inspect a specific object in a heap snapshot while debugging memory use.",
  "sources": [
    "https://github.com/ChromeDevTools/chrome-devtools-mcp/releases/tag/chrome-devtools-mcp-v1.7.0",
    "https://github.com/ChromeDevTools/chrome-devtools-mcp/pull/2374",
    "https://github.com/ChromeDevTools/chrome-devtools-mcp/blob/chrome-devtools-mcp-v1.7.0/docs/tool-reference.md"
  ],
  "rank": 0.95021,
  "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-20261008-23b1f711d2526606-1:gate",
    "evidence_hash": "9eabfc4ebc7aee86ea67c53cf8ded2b43a3cbe2f67a8422ce49d83f1123ea9d9"
  },
  "review": {
    "draft_hash": "0383b1229157e847586f2a5944b4e6b6eff22e85292dcb17ba1695430a5d960c",
    "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 0.95 >= 0.9; 2 needed) and Jev gave 0.80 (>= 0.6 needed)."
  }
}
