detect_objects · NWO Robotics MCP: Risk & Policy

WHAT IT DOES

What detect_objects does on NWO Robotics

AI agents invoke detect_objects to trigger actions in NWO Robotics. 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 detect_objects needs a policy

The tool executes a computer vision process on real hardware (robot or IoT device). While it is primarily a read/perception operation, it actively triggers an external computational process on physical hardware rather than simply querying stored data. On a robot platform, running vision pipelines can consume resources, interact with cameras, and feed into action pipelines.

From the tool's definition 'Run computer vision to detect objects' — actively runs a computer vision pipeline on a robot/IoT device

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

detect_objects Rate-limited

detect_objects 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": {
    "detect_objects": {
      "limits": [
        {
          "counter": "detect_objects_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 NWO Robotics, so you can run agents against it safely.

FAQ

Questions about detect_objects

What does the detect_objects tool do? +

Run computer vision to detect objects. It is categorised as a Execute tool in the NWO Robotics MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on detect_objects? +

Register the NWO Robotics MCP server in PolicyLayer and add a rule for detect_objects: 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 NWO Robotics. Nothing to install.

What risk level is detect_objects? +

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

Can I rate-limit detect_objects? +

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

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

detect_objects is provided by the NWO Robotics MCP server (redciprianpater/mcp-server-robotics). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.