add_model_to_system · Mipiti MCP Server MCP: Risk & Policy

WHAT IT DOES

What add_model_to_system does on Mipiti MCP Server

AI agents use add_model_to_system to create or update resources in Mipiti MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mipiti MCP Server environment.

WHY IT NEEDS A POLICY

Why add_model_to_system needs a policy

This tool creates or modifies threat model associations within the Mipiti platform. While reversible (threat models can be removed), it represents a state change to the security posture system and could impact compliance mappings, controls, and evidence if misused by an agent.

From the tool's definition Tool name 'add_model_to_system' and description 'Add a threat model to a system container' indicates creation/modification of data within a security posture platform. The verb 'add' and action of populating a system with threat model data are write operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_model_to_system Rate-limited

add_model_to_system stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "add_model_to_system": {
      "limits": [
        {
          "counter": "add_model_to_system_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about add_model_to_system

What does the add_model_to_system tool do? +

Add a threat model to a system container. It is categorised as a Write tool in the Mipiti MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_model_to_system? +

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

What risk level is add_model_to_system? +

add_model_to_system is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit add_model_to_system? +

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

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

add_model_to_system is provided by the Mipiti MCP Server MCP server (mipiti/mipiti-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.