{
  "schema": "https://agent-atoms.com/schemas/atom-v1.json",
  "type": "tool-definition",
  "id": "stat",
  "version": "1.0.0",
  "name": "stat",
  "description": "File metadata: size, mtime, mode, type.",
  "tool_spec": {
    "function_name": "stat",
    "summary": "Return metadata for a path.",
    "parameters": {
      "path": { "type": "string", "description": "File or directory path", "required": true }
    },
    "returns": { "type": "object", "description": "Metadata fields." },
    "side_effects": ["fs-read"]
  }
}