set_discovery_tips · Metis Public Health MCP: Risk & Policy

WHAT IT DOES

What set_discovery_tips does on Metis Public Health

AI agents use set_discovery_tips to create or update resources in Metis Public Health — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Metis Public Health environment.

WHY IT NEEDS A POLICY

Why set_discovery_tips needs a policy

This tool creates or modifies user configuration data (discovery tips preference) in a reversible manner. It does not execute code, delete data, or access sensitive information beyond preference state. The blast radius of misuse is minimal—at worst, an AI agent could toggle feature tips on/off, which the user can easily reverse.

From the tool's definition Tool name 'set_discovery_tips' and description 'Adjust the feature-tips preference (the user's control)' indicate modification of user preferences/settings.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_discovery_tips Rate-limited

set_discovery_tips 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": {
    "set_discovery_tips": {
      "limits": [
        {
          "counter": "set_discovery_tips_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 Metis Public Health, so you can run agents against it safely.

FAQ

Questions about set_discovery_tips

What does the set_discovery_tips tool do? +

Adjust the feature-tips preference (the user's control). It is categorised as a Write tool in the Metis Public Health MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_discovery_tips? +

Register the Metis Public Health MCP server in PolicyLayer and add a rule for set_discovery_tips: 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 Metis Public Health. Nothing to install.

What risk level is set_discovery_tips? +

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

Can I rate-limit set_discovery_tips? +

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

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

set_discovery_tips is provided by the Metis Public Health MCP server (sveritg/metis_ph). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.