webots_simulation_control · Webots MCP Server MCP

WHAT IT DOES

What webots_simulation_control does on Webots MCP Server

AI agents invoke webots_simulation_control to trigger actions in Webots MCP Server. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why webots_simulation_control needs a policy

Based on the server description, simulation control tools trigger external operations on a running robot simulation (pause, resume, reset). These are Execute-category actions as they affect the state of an external simulation environment.

From the tool's definition Tool name: webots_simulation_control; Server description mentions 'simulation controls (pause, resume, reset)' as key capabilities

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

webots_simulation_control Rate-limited

webots_simulation_control 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.

View as policy code

policy.json

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

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Webots MCP Server, so you can run agents against it safely.

FAQ

Questions about webots_simulation_control

What does the webots_simulation_control tool do? +

webots_simulation_control. It is categorised as a Execute tool in the Webots MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on webots_simulation_control? +

Register the Webots MCP Server MCP server in PolicyLayer and add a rule for webots_simulation_control: 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 Webots MCP Server. Nothing to install.

What risk level is webots_simulation_control? +

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

Can I rate-limit webots_simulation_control? +

Yes. Add a rate_limit block to the webots_simulation_control 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 webots_simulation_control completely? +

Set action: deny in the PolicyLayer policy for webots_simulation_control. 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 webots_simulation_control? +

webots_simulation_control is provided by the Webots MCP Server MCP server (luisfelipesena/webots-youbot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.