createNewNotebook · RSpace MCP Server MCP: Risk & Policy

WHAT IT DOES

What createNewNotebook does on RSpace MCP Server

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

WHY IT NEEDS A POLICY

Why createNewNotebook needs a policy

This tool creates a new notebook, which is a reversible Write operation. It modifies the state of the RSpace system by adding a new resource, but does not execute arbitrary code, delete data, or involve financial transactions.

From the tool's definition Tool name 'createNewNotebook' and description 'Creates a new electronic lab notebook' indicate creation of new data structures in RSpace without deletion or financial impact.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

createNewNotebook Rate-limited

createNewNotebook 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": {
    "createNewNotebook": {
      "limits": [
        {
          "counter": "createnewnotebook_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 RSpace MCP Server, so you can run agents against it safely.

FAQ

Questions about createNewNotebook

What does the createNewNotebook tool do? +

Creates a new electronic lab notebook. It is categorised as a Write tool in the RSpace 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 createNewNotebook? +

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

What risk level is createNewNotebook? +

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

Can I rate-limit createNewNotebook? +

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

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

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