get_server_openapi_spec

A read tool on the Ludus Fast MCP server.

SERVERLudus FastMCP SOURCEtjnull/ludus-fastmcp

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/tjnull-ludus-fastmcp/get-server-openapi-spec.md

WHAT IT DOES

What get_server_openapi_spec does on Ludus FastMCP

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

RISK

Why get_server_openapi_spec is rated Low

Retrieving API specification is read-only metadata access with no operational impact.

From the tool's definition uninformative description. get_server_openapi_spec suggests retrieving API specification documentation.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs get_server_openapi_spec safely

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

get_server_openapi_spec Allowed

get_server_openapi_spec 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": {
    "get_server_openapi_spec": {}
  }
}

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

The button opens the PolicyLayer dashboard: create your workspace, connect Ludus FastMCP, apply this rule, and every get_server_openapi_spec call is checked against it from then on.

FAQ

Questions about get_server_openapi_spec

What does the get_server_openapi_spec tool do? +

get_server_openapi_spec is a read tool on the Ludus Fast MCP server. It is categorised as a Read tool in the Ludus FastMCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_server_openapi_spec? +

Register the Ludus Fast MCP server in PolicyLayer and add a rule for get_server_openapi_spec: 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 Ludus FastMCP. Nothing to install.

What risk level is get_server_openapi_spec? +

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

Can I rate-limit get_server_openapi_spec? +

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

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

get_server_openapi_spec is provided by the Ludus Fast MCP server (tjnull/ludus-fastmcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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