{
  "schema": "https://agent-atoms.com/schemas/atom-v1.json",
  "type": "tool-definition",
  "id": "file-write",
  "version": "1.0.0",
  "name": "file-write",
  "description": "Create or overwrite a file. Side-effecting.",
  "tool_spec": {
    "function_name": "file_write",
    "summary": "Write content to a file path.",
    "parameters": {
      "path": { "type": "string", "description": "Destination path", "required": true },
      "content": { "type": "string", "description": "Bytes / UTF-8 content", "required": true }
    },
    "returns": { "type": "object", "description": "{path, bytes_written}." },
    "side_effects": ["fs-write"]
  }
}