lookup_minestom_api

THE RISK

Low Risk

Why lookup_minestom_api needs a policy

This tool queries and retrieves API documentation and related reference information. It performs a search or lookup operation across the Minestom API documentation without creating, modifying, deleting, or executing any code. The severity is low because misuse would only result in retrieving incorrect or irrelevant API documentation, which cannot harm the underlying system.

From the tool's definition Tool description states it 'returns curated API matches with package names, related APIs, and javadoc links' — a retrieval operation with no side effects.

Documented attack patterns abuse exactly the kind of access lookup_minestom_api gives an agent:

POLICY

How to control lookup_minestom_api

PolicyLayer is an MCP gateway — it sits between your AI agents and Minestom MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for lookup_minestom_api:

policy.json

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

lookup_minestom_api is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Minestom MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Minestom MCP Server tools

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All 9 Minestom MCP Server tools →

Read tools on other servers

M-Team MCP Server get_torrent_detail YouTube MCP Server search_channel Android Forensics ADB MCP Server parse_browser_history 0xarchive web3_challenge

Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about lookup_minestom_api

What does the lookup_minestom_api tool do? +

returns curated API matches with package names, related APIs, and javadoc links. It is categorised as a Read tool in the Minestom MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on lookup_minestom_api? +

Register the Minestom MCP Server MCP server in PolicyLayer and add a rule for lookup_minestom_api: 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 Minestom MCP Server. Nothing to install.

What risk level is lookup_minestom_api? +

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

Can I rate-limit lookup_minestom_api? +

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

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

lookup_minestom_api is provided by the Minestom MCP Server MCP server (ronaldbunk/minestom-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Minestom MCP Server tool call.

Start from Minestom MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →