create_item_note · MCP Server Learning MCP: Risk & Policy

WHAT IT DOES

What create_item_note does on MCP Server Learning

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

WHY IT NEEDS A POLICY

Why create_item_note needs a policy

The tool creates new note items, which is a reversible write operation that modifies the learning vault/collection state. However, the empty description reduces confidence. Severity is medium because note creation in a learning context has limited blast radius compared to destructive operations—notes can be deleted and the system remains functional.

From the tool's definition Tool name 'create_item_note' suggests creating a note item. Server context indicates Obsidian vault interaction and note management capabilities. Sibling tools include 'delete_notes' and 'create_cards', confirming this server manipulates note/card data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_item_note Rate-limited

create_item_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": {
    "create_item_note": {
      "limits": [
        {
          "counter": "create_item_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 Server Learning, so you can run agents against it safely.

FAQ

Questions about create_item_note

What does the create_item_note tool do? +

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

How do I enforce a policy on create_item_note? +

Register the MCP Server Learning MCP server in PolicyLayer and add a rule for create_item_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 Server Learning. Nothing to install.

What risk level is create_item_note? +

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

Can I rate-limit create_item_note? +

Yes. Add a rate_limit block to the create_item_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 create_item_note completely? +

Set action: deny in the PolicyLayer policy for create_item_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 create_item_note? +

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