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list_range_users

List users with access to a range.

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/list-range-users.md

What list_range_users does on Ludus FastMCP

AI agents call list_range_users 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.

Why list_range_users is rated Low

This tool simply enumerates existing users associated with a range. It has no side effects, does not execute code or commands, does not modify data, and does not delete or move resources. The action is purely informational retrieval, which is the definition of a Read operation. Confidence is high because the name and description are clear and unambiguous.

From the tool's definition Tool name 'list_range_users' and description 'List users with access to a range' indicate a query operation that retrieves user access information without modifying, executing, or deleting anything.

Questions about list_range_users

What does the list_range_users tool do? +

List users with access to a range. 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 list_range_users? +

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

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

Can I rate-limit list_range_users? +

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

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

list_range_users 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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