{
  "by_tool": [
    {
      "tool": "cd",
      "calls": 2278,
      "surface": "built_in",
      "successful": 2234
    },
    {
      "tool": "copy",
      "calls": 106,
      "surface": "built_in",
      "successful": 92
    },
    {
      "tool": "delete",
      "calls": 50,
      "surface": "built_in",
      "successful": 34
    },
    {
      "tool": "edit",
      "calls": 6451,
      "surface": "built_in",
      "successful": 4104
    },
    {
      "tool": "ls",
      "calls": 3493,
      "surface": "built_in",
      "successful": 3415
    },
    {
      "tool": "move",
      "calls": 15,
      "surface": "built_in",
      "successful": 4
    },
    {
      "tool": "read",
      "calls": 7750,
      "surface": "built_in",
      "successful": 7483
    },
    {
      "tool": "search",
      "calls": 2978,
      "surface": "built_in",
      "successful": 2627
    },
    {
      "tool": "write",
      "calls": 1585,
      "surface": "built_in",
      "successful": 882
    },
    {
      "tool": "cd",
      "calls": 2983,
      "surface": "mcp",
      "successful": 2977
    },
    {
      "tool": "copy",
      "calls": 13,
      "surface": "mcp",
      "successful": 11
    },
    {
      "tool": "delete",
      "calls": 37,
      "surface": "mcp",
      "successful": 36
    },
    {
      "tool": "edit",
      "calls": 3247,
      "surface": "mcp",
      "successful": 3061
    },
    {
      "tool": "ls",
      "calls": 1753,
      "surface": "mcp",
      "successful": 1741
    },
    {
      "tool": "move",
      "calls": 1,
      "surface": "mcp",
      "successful": 0
    },
    {
      "tool": "orient",
      "calls": 720,
      "surface": "mcp",
      "successful": 720
    },
    {
      "tool": "read",
      "calls": 4628,
      "surface": "mcp",
      "successful": 4582
    },
    {
      "tool": "search",
      "calls": 1055,
      "surface": "mcp",
      "successful": 993
    },
    {
      "tool": "write",
      "calls": 449,
      "surface": "mcp",
      "successful": 384
    }
  ],
  "combined": {
    "calls": 39592,
    "projects": 115,
    "successful": 35380,
    "owner_accounts": 111,
    "write_attempts": 11954,
    "successful_writes": 8608
  },
  "by_surface": [
    {
      "calls": 24706,
      "surface": "built_in",
      "projects": 98,
      "successful": 20875,
      "owner_accounts": 97,
      "write_attempts": 8207,
      "successful_writes": 5116
    },
    {
      "calls": 14886,
      "surface": "mcp",
      "projects": 39,
      "successful": 14505,
      "owner_accounts": 36,
      "write_attempts": 3747,
      "successful_writes": 3492
    }
  ],
  "snapshot_utc": "2026-10-09T04:08:23.63889+00:00",
  "chat_trace_checks": {
    "all_tool_rows": 24713,
    "empty_results": 0,
    "without_turn_id": 6,
    "unsupported_tool_rows": 1
  },
  "window_end_exclusive": "2026-10-08T00:00:00+00:00",
  "active_owner_accounts": 113,
  "window_start_inclusive": "2026-09-08T00:00:00+00:00",
  "active_on_multiple_days": 69,
  "definitions": {
    "cohort": "Provisional project-owner cohort excluding configured operators and test-like accounts; may include staff-assisted activity.",
    "calls": "Retained built-in AI workspace tool-result rows plus MCP call rows, deduplicated between entry points for project and owner counts.",
    "successful_writes": "Successful technical responses to write, edit, copy, move or delete calls. Repeated calls and no-ops can be included.",
    "limits": "Not accepted customer tasks, unique people, AI-attributed sales, time savings or cost savings. Logs can be incomplete or deleted."
  }
}