add_label_to_note · NotesKeep MCP Server MCP: Risk & Policy

WHAT IT DOES

What add_label_to_note does on NotesKeep MCP Server

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

WHY IT NEEDS A POLICY

Why add_label_to_note needs a policy

Adding a label to a note is a write operation that modifies data (note metadata) reversibly. It does not delete, execute code, or move money. The empty description slightly lowers confidence, but the tool name and sibling context provide sufficient clarity. Severity is medium because mislabeling notes has limited blast radius—it degrades organization but does not cause data loss or irreversible damage.

From the tool's definition Tool name 'add_label_to_note' indicates modifying note metadata by adding labels. Sibling tools include 'create_label' and 'delete_label', confirming this server manages note organization.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_label_to_note Rate-limited

add_label_to_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": {
    "add_label_to_note": {
      "limits": [
        {
          "counter": "add_label_to_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 NotesKeep MCP Server, so you can run agents against it safely.

FAQ

Questions about add_label_to_note

What does the add_label_to_note tool do? +

add_label_to_note. It is categorised as a Write tool in the NotesKeep 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 add_label_to_note? +

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

What risk level is add_label_to_note? +

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

Can I rate-limit add_label_to_note? +

Yes. Add a rate_limit block to the add_label_to_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 add_label_to_note completely? +

Set action: deny in the PolicyLayer policy for add_label_to_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 add_label_to_note? +

add_label_to_note is provided by the NotesKeep MCP Server MCP server (mariomosca/noteskeep-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.