my_tool · NVM MCP Server MCP: Risk & Policy

WHAT IT DOES

What my_tool does on NVM MCP Server

AI agents call my_tool as a supporting operation in NVM MCP Server workflows.

WHY IT NEEDS A POLICY

Why my_tool needs a policy

With no description and a generic placeholder name, there is no basis to determine what this tool does. Confidence is very low. Defaulting to 'Other' with low severity until more information is available.

From the tool's definition Tool name is 'my_tool' and description is empty or uninformative.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

my_tool Rate-limited

my_tool gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "my_tool": {
      "limits": [
        {
          "counter": "my_tool_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about my_tool

What does the my_tool tool do? +

my_tool. It is categorised as a Other tool in the NVM MCP Server MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on my_tool? +

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

What risk level is my_tool? +

my_tool is a Other tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit my_tool? +

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

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

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

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