run_metis · Metis Public Health MCP: Risk & Policy

WHAT IT DOES

What run_metis does on Metis Public Health

AI agents invoke run_metis to trigger actions in Metis Public Health. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why run_metis needs a policy

Despite empty description, the tool name 'run_metis' combined with the server's role as a research companion that routes to specialist agents indicates this tool likely executes code, queries, or external operations. Without explicit limiting language, the agent-routing and execution semantics warrant Execute classification.

From the tool's definition Tool named 'run_metis' with no description provided. Context indicates Metis routes requests to 34 specialist agents and performs analysis/aggregation operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

run_metis Rate-limited

run_metis stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "run_metis": {
      "limits": [
        {
          "counter": "run_metis_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-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 run_metis

What does the run_metis tool do? +

run_metis. It is categorised as a Execute tool in the Metis Public Health MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on run_metis? +

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

run_metis is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit run_metis? +

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

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

run_metis 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.