{
  "id": "ros2-examples-rclpy-actions-minimal-action-client-examples-rclpy-mi-2a007cc10899",
  "name": "ROS 2 actions and executors: client cancel",
  "summary": "Official ROS 2 actions and executors python main example for client cancel. Inspect the pinned source and upstream setup before use.",
  "framework": "ros2-examples",
  "kind": "official_example",
  "source_registry": "ecosystem-examples-v1",
  "capabilities": [
    "actions",
    "concurrency",
    "robotics-middleware"
  ],
  "robot_types": [
    "source-defined"
  ],
  "robot_scope": "Discovery labels inferred from this source path; inspect its robot configuration for compatibility. Project-wide categories are not a supported-robot list.",
  "source": {
    "repository": "https://github.com/ros2/examples",
    "commit": "07008852303f2a35a91c65d78046b274a35477ea",
    "tag": "jazzy",
    "path": "rclpy/actions/minimal_action_client/examples_rclpy_minimal_action_client/client_cancel.py",
    "url": "https://github.com/ros2/examples/blob/07008852303f2a35a91c65d78046b274a35477ea/rclpy/actions/minimal_action_client/examples_rclpy_minimal_action_client/client_cancel.py",
    "raw_url": "https://raw.githubusercontent.com/ros2/examples/07008852303f2a35a91c65d78046b274a35477ea/rclpy/actions/minimal_action_client/examples_rclpy_minimal_action_client/client_cancel.py",
    "sha256": "d57c7cc8a6f07b7738784139c9a9b0d1d1d2ebb495239f5a7b2726a0a1e0fc9e",
    "bytes": 2682
  },
  "license": {
    "spdx": "Apache-2.0",
    "url": "https://github.com/ros2/examples/blob/07008852303f2a35a91c65d78046b274a35477ea/LICENSE",
    "sha256": "cfc7749b96f63bd31c3c42b5c471bf756814053e847c10f3eb003417bc523d30",
    "scope": "Selected example source code only; preserve upstream copyright and per-file notices. Robot models, datasets, weights, simulator binaries and third-party dependencies retain their separate licenses."
  },
  "access": {
    "mode": "source_reference",
    "hub_prepare": false,
    "instructions": "Fetch the pinned repository, verify this source checksum, and use upstream installation and invocation. This record does not install or execute code.",
    "setup_url": "https://github.com/ros2/examples/blob/07008852303f2a35a91c65d78046b274a35477ea/README.md"
  },
  "requirements": {
    "python": "ROS 2 Jazzy Python 3 / C++ supported toolchain",
    "packages": [
      "ROS 2 Jazzy",
      "rclpy/rclcpp and example package dependencies from package.xml"
    ],
    "display": "Build with colcon and source the ROS 2 overlay. These are action/executor/sensing building blocks, not completed robot manipulation tasks.",
    "execution_domain": "middleware",
    "source_imports": [
      "example_interfaces.action",
      "rclpy",
      "rclpy.action",
      "rclpy.node"
    ]
  },
  "invocation": {
    "entrypoint": "python rclpy/actions/minimal_action_client/examples_rclpy_minimal_action_client/client_cancel.py",
    "notes": "Build with colcon and source the ROS 2 overlay. These are action/executor/sensing building blocks, not completed robot manipulation tasks. No Hub preparation adapter or measured runtime success is claimed."
  },
  "popularity": {
    "metric": "github_stars",
    "repository_stars": 980,
    "checked_at": "2026-10-18",
    "meaning": "Dated repository interest, not robot-skill usage, compatibility or runtime success."
  },
  "evidence": {
    "level": "source_reviewed",
    "runtime_verification": "not_run",
    "checked_at": "2026-10-18",
    "inspection": "Fetched and SHA-256 checked this immutable source; statically parsed Python or located native main; verified pinned license bytes and checked explicit per-file license identifiers. No upstream code executed.",
    "entrypoint_kind": "python_main",
    "inspection_method": "automated_static"
  }
}