romm_add_note · Mcp Romm MCP: Risk & Policy

WHAT IT DOES

What romm_add_note does on Mcp Romm

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

WHY IT NEEDS A POLICY

Why romm_add_note needs a policy

Adding a note is a reversible write operation that creates new metadata/content associated with a ROM without destructive effects. The note is user-scoped ("belongs to you") and can presumably be modified or deleted. This is a standard Write-category operation with minimal blast radius if misused by an AI agent.

From the tool's definition Tool description states "Add a note to a ROM" — this is a create/modify operation that adds user-generated data to an existing resource.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

romm_add_note Rate-limited

romm_add_note 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": {
    "romm_add_note": {
      "limits": [
        {
          "counter": "romm_add_note_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 Mcp Romm, so you can run agents against it safely.

FAQ

Questions about romm_add_note

What does the romm_add_note tool do? +

Add a note to a ROM. The note belongs to you. It is categorised as a Write tool in the Mcp Romm MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on romm_add_note? +

Register the Mcp Romm MCP server in PolicyLayer and add a rule for romm_add_note: 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 Mcp Romm. Nothing to install.

What risk level is romm_add_note? +

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

Can I rate-limit romm_add_note? +

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

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

romm_add_note is provided by the Mcp Romm MCP server (lodordev/mcp-romm). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.