db_note_add · K-Personal MCP: Risk & Policy

WHAT IT DOES

What db_note_add does on K-Personal MCP

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

WHY IT NEEDS A POLICY

Why db_note_add needs a policy

This tool creates or modifies data (adding notes to a database) without permanent deletion or irreversible effects. It is reversible—notes can be edited or deleted later. It does not execute code, trigger external operations, delete data, or move money. The low severity reflects the limited blast radius: notes are personal data with minimal downstream impact if misused.

From the tool's definition Tool name 'db_note_add' and description '메모를 저장합니다' (saves a memo/note) indicate creation of new records in a personal SQLite database for notes.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

db_note_add Rate-limited

db_note_add 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": {
    "db_note_add": {
      "limits": [
        {
          "counter": "db_note_add_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 K-Personal MCP, so you can run agents against it safely.

FAQ

Questions about db_note_add

What does the db_note_add tool do? +

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

How do I enforce a policy on db_note_add? +

Register the K-Personal MCP server in PolicyLayer and add a rule for db_note_add: 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 K-Personal MCP. Nothing to install.

What risk level is db_note_add? +

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

Can I rate-limit db_note_add? +

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

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

db_note_add is provided by the K-Personal MCP server (lee30934-byte/k-personal-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.