configure_library_provider · Metis Public Health MCP

WHAT IT DOES

What configure_library_provider does on Metis Public Health

AI agents use configure_library_provider 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 configure_library_provider needs a policy

The tool appears to modify system configuration rather than retrieve data (Read) or delete it (Destructive). Configuration changes are reversible writes. Severity is medium because misconfiguration could disrupt the library provider's functionality, but the blast radius depends on what configuration options are exposed. Confidence is reduced due to lack of descriptive detail.

From the tool's definition Tool name 'configure_library_provider' suggests modifying configuration settings for a library provider. The 'configure_' prefix indicates a write/configuration action. Description is empty, limiting confidence.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

configure_library_provider Rate-limited

configure_library_provider 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": {
    "configure_library_provider": {
      "limits": [
        {
          "counter": "configure_library_provider_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 configure_library_provider

What does the configure_library_provider tool do? +

configure_library_provider. 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 configure_library_provider? +

Register the Metis Public Health MCP server in PolicyLayer and add a rule for configure_library_provider: 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 configure_library_provider? +

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

Can I rate-limit configure_library_provider? +

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

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

configure_library_provider 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.