viz_library_overview

A read tool on the Metis Public Health MCP server.

SERVERMetis Public Health SOURCEsveritg/metis_ph

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/sveritg-metis-ph/viz-library-overview.md

WHAT IT DOES

What viz_library_overview does on Metis Public Health

AI agents call viz_library_overview to retrieve information from Metis Public Health without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why viz_library_overview is rated Low

Tool name suggests visualizing library data without modification or execution capabilities.

From the tool's definition uninformative description

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs viz_library_overview safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Metis Public Health, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For viz_library_overview, this is the rule to start with:

viz_library_overview Allowed

viz_library_overview is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "viz_library_overview": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Metis Public Health, apply this rule, and every viz_library_overview call is checked against it from then on.

FAQ

Questions about viz_library_overview

What does the viz_library_overview tool do? +

viz_library_overview is a read tool on the Metis Public Health MCP server. It is categorised as a Read tool in the Metis Public Health MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on viz_library_overview? +

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

viz_library_overview is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit viz_library_overview? +

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

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

viz_library_overview 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.

KEEP EXPLORING

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