sanitize_document · Mcp Pii Guard Au MCP: Risk & Policy

WHAT IT DOES

What sanitize_document does on Mcp Pii Guard Au

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

WHY IT NEEDS A POLICY

Why sanitize_document needs a policy

Based on the server context (PII sanitisation using Microsoft Presidio) and the sibling tool 'sanitize_text', 'sanitize_document' most likely modifies a document by detecting and replacing/redacting PII, which is a Write operation (reversible transformation of data). However, the empty description significantly lowers confidence.

From the tool's definition Tool name 'sanitize_document' on a PII detection/sanitisation server; description is empty and uninformative.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

sanitize_document Rate-limited

sanitize_document 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": {
    "sanitize_document": {
      "limits": [
        {
          "counter": "sanitize_document_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 Pii Guard Au, so you can run agents against it safely.

FAQ

Questions about sanitize_document

What does the sanitize_document tool do? +

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

How do I enforce a policy on sanitize_document? +

Register the Mcp Pii Guard Au MCP server in PolicyLayer and add a rule for sanitize_document: 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 Pii Guard Au. Nothing to install.

What risk level is sanitize_document? +

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

Can I rate-limit sanitize_document? +

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

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

sanitize_document is provided by the Mcp Pii Guard Au MCP server (mattwagstaff/mcp-pii-guard-au). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.