get_user_memberships

Get current user's group memberships (Ludus 2.0 only).

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-user-memberships.md

WHAT IT DOES

What get_user_memberships does on Ludus FastMCP

AI agents call get_user_memberships 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_user_memberships is rated Low

This tool queries and returns information about a user's group memberships without modifying, deleting, or executing any operations. It is purely informational in nature, presenting minimal risk even if called by an AI agent. The operation is read-only and has no destructive or financial implications.

From the tool's definition Tool name 'get_user_memberships' and description 'Get current user's group memberships' indicate a retrieval operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

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

get_user_memberships Allowed

get_user_memberships 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_user_memberships": {}
  }
}

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_user_memberships call is checked against it from then on.

FAQ

Questions about get_user_memberships

What does the get_user_memberships tool do? +

Get current user's group memberships (Ludus 2.0 only). 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_user_memberships? +

Register the Ludus Fast MCP server in PolicyLayer and add a rule for get_user_memberships: 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_user_memberships? +

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

Can I rate-limit get_user_memberships? +

Yes. Add a rate_limit block to the get_user_memberships 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_user_memberships completely? +

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

get_user_memberships 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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