ros2_medkit_cancel_execution

THE RISK

High Risk

Why ros2_medkit_cancel_execution needs a policy

Cancelling an execution is an active intervention that terminates a running operation in a ROS 2 system. This can have significant real-world consequences (e.g., stopping a robot mid-task, aborting a medical or industrial procedure), making it an Execute-category action with high severity.

From the tool's definition Cancel a specific execution by its ID

Documented attack patterns abuse exactly the kind of access ros2_medkit_cancel_execution gives an agent:

POLICY

How to control ros2_medkit_cancel_execution

PolicyLayer is an MCP gateway — it sits between your AI agents and Ros2 Medkit, and nothing reaches the server without passing your rules. This is the rule we recommend for ros2_medkit_cancel_execution:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "ros2_medkit_cancel_execution": {
      "limits": [
        {
          "counter": "ros2_medkit_cancel_execution_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

ros2_medkit_cancel_execution stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Ros2 Medkit — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RATE-LIMIT THIS TOOL →

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EXPLORE

Related tools and policies

More Ros2 Medkit tools

Destructive ros2_medkit_bulkdata_delete Delete a bulk data item. Destructive ros2_medkit_clear_all_faults Clear all faults for a specific entity. WARNING: This clears ALL active faults for the ent Destructive ros2_medkit_delete_all_configurations Reset all configurations (parameters) for an entity to their default values. WARNING: This Destructive ros2_medkit_delete_configuration Reset a configuration (parameter) to its default value. Use ros2_medkit_list_configuration Destructive ros2_medkit_delete_cyclic_sub Delete a cyclic subscription. Destructive ros2_medkit_delete_script Delete a script from an entity. Destructive ros2_medkit_delete_trigger Delete a trigger from an entity. Destructive ros2_medkit_delete_update Delete a registered update.

All 84 Ros2 Medkit tools →

Execute tools on other servers

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Go deeper

High-risk tools in Ros2 Medkit → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about ros2_medkit_cancel_execution

What does the ros2_medkit_cancel_execution tool do? +

Cancel a specific execution by its ID. Use ros2_medkit_list_executions to find the execution_id. It is categorised as a Execute tool in the Ros2 Medkit MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on ros2_medkit_cancel_execution? +

Register the Ros2 Medkit MCP server in PolicyLayer and add a rule for ros2_medkit_cancel_execution: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Ros2 Medkit. Nothing to install.

What risk level is ros2_medkit_cancel_execution? +

ros2_medkit_cancel_execution is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit ros2_medkit_cancel_execution? +

Yes. Add a rate_limit block to the ros2_medkit_cancel_execution rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block ros2_medkit_cancel_execution completely? +

Set action: deny in the PolicyLayer policy for ros2_medkit_cancel_execution. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides ros2_medkit_cancel_execution? +

ros2_medkit_cancel_execution is provided by the Ros2 Medkit MCP server (selfpatch/ros2_medkit_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Ros2 Medkit tool call.

Start from Ros2 Medkit, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →