search_library

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/search-library.md

WHAT IT DOES

What search_library does on Metis Public Health

AI agents call search_library 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 search_library is rated Low

This tool retrieves or queries data from a local PDF library without modifying, executing code, deleting, or performing financial operations. The name and context clearly indicate a search/retrieval function with no side effects.

From the tool's definition Tool name 'search_library' indicates a retrieval operation against the user's indexed PDF library. The server description emphasizes it 'answers from the user's own indexed PDF library with page-level citations' and 'keeps all data on the user's machine,'…

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs search_library 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 search_library, this is the rule to start with:

search_library Allowed

search_library 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": {
    "search_library": {}
  }
}

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 search_library call is checked against it from then on.

FAQ

Questions about search_library

What does the search_library tool do? +

search_library 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 search_library? +

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

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

Can I rate-limit search_library? +

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

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

search_library 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.

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