flex_sensor_build_contact_model · Flex Sensor Agent MCP

WHAT IT DOES

What flex_sensor_build_contact_model does on Flex Sensor Agent

AI agents invoke flex_sensor_build_contact_model to trigger actions in Flex Sensor Agent. 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 flex_sensor_build_contact_model needs a policy

Building a contact model in COMSOL is a computational operation that executes simulation setup logic and modifies the simulation state. While not destructive (the model can be discarded), it triggers external operations on the COMSOL system whose effects vary based on input parameters, fitting the Execute category.

From the tool's definition Tool name 'flex_sensor_build_contact_model' combined with server description stating it 'enables AI agents to perform flexible pressure sensor simulation, including...contact model building.' The tool builds simulation models which triggers external…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

flex_sensor_build_contact_model Rate-limited

flex_sensor_build_contact_model 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": {
    "flex_sensor_build_contact_model": {
      "limits": [
        {
          "counter": "flex_sensor_build_contact_model_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 Flex Sensor Agent, so you can run agents against it safely.

FAQ

Questions about flex_sensor_build_contact_model

What does the flex_sensor_build_contact_model tool do? +

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

How do I enforce a policy on flex_sensor_build_contact_model? +

Register the Flex Sensor Agent MCP server in PolicyLayer and add a rule for flex_sensor_build_contact_model: 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 Flex Sensor Agent. Nothing to install.

What risk level is flex_sensor_build_contact_model? +

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

Can I rate-limit flex_sensor_build_contact_model? +

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

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

flex_sensor_build_contact_model is provided by the Flex Sensor Agent MCP server (tonghui666/flex-sensor-agent-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.