joy_stand_up · ROS MCP Server MCP: Risk & Policy

WHAT IT DOES

What joy_stand_up does on ROS MCP Server

AI agents invoke joy_stand_up to trigger actions in ROS 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 joy_stand_up needs a policy

This tool triggers external physical operations on a robot—making it stand up is an irreversible state change with real-world consequences. The effects depend on the robot's current state and environment.

From the tool's definition Tool name 'joy_stand_up' and description '机器人站起来' (robot stand up) directly command physical robot movement. The server description confirms it 'translates LLM instructions into ROS topics and services' to control robots.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

joy_stand_up Rate-limited

joy_stand_up 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": {
    "joy_stand_up": {
      "limits": [
        {
          "counter": "joy_stand_up_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 ROS MCP Server, so you can run agents against it safely.

FAQ

Questions about joy_stand_up

What does the joy_stand_up tool do? +

机器人站起来. It is categorised as a Execute tool in the ROS 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 joy_stand_up? +

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

What risk level is joy_stand_up? +

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

Can I rate-limit joy_stand_up? +

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

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

joy_stand_up is provided by the ROS MCP Server MCP server (moneypiaorui/ros-mcp-server-minipi). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.