createNotebook · OneNote MCP: Risk & Policy

WHAT IT DOES

What createNotebook does on OneNoteMCP

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

WHY IT NEEDS A POLICY

Why createNotebook needs a policy

An AI agent can call createNotebook faster than any human can review — one bad instruction and it creates or modifies resources in OneNoteMCP by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

createNotebook Rate-limited

createNotebook 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": {
    "createNotebook": {
      "limits": [
        {
          "counter": "createnotebook_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 OneNoteMCP, so you can run agents against it safely.

FAQ

Questions about createNotebook

What does the createNotebook tool do? +

Create a new OneNote notebook. It is categorised as a Write tool in the OneNoteMCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on createNotebook? +

Register the OneNote MCP server in PolicyLayer and add a rule for createNotebook: 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 OneNoteMCP. Nothing to install.

What risk level is createNotebook? +

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

Can I rate-limit createNotebook? +

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

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

createNotebook is provided by the OneNote MCP server (swax/onenotemcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.