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LFG Alarm

by gm.lfg
OverviewDiscussionsAdmin

List my friends and groups

list_friends
Read-onlyIdempotent

Lists the person's friends on LFG Alarm by username, and their friend groups with each group's members by username. For the person's own friends and groups; the people on one alarm are a separate list. The person is not in the list. These usernames and group names are the ones a friends alarm can be shared with. Returns a note when they have no friends yet.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "list_friends"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A4.3/5.0
Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Annotations already declare readOnly/idempotent/non-destructive, so the safety profile is covered. The description adds genuine behavioral context beyond that: the person is excluded from the list, and a note is returned when there are no friends yet. This is useful edge-case disclosure, though nothing about ordering or limits is given.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Front-loaded with the core purpose, then the distinguishing constraint, then the sharing rationale and empty-state note. Four sentences is slightly more than needed, but each carries real information and there is no filler.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With no parameters and no output schema, the description carries the burden of describing what comes back (usernames, group names, empty-state note) and it does so adequately. Only minor gaps remain, such as return ordering or pagination.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Zero parameters, so there is nothing to document and the baseline is 4. No parameter meaning is needed or missing.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb+resource ('Lists the person's friends... and their friend groups with each group's members by username') and explicitly distinguishes this list from the alarm-member list ('the people on one alarm are a separate list'). An agent can tell exactly what set is returned without opening anything else.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Gives clear context for when this applies ('For the person's own friends and groups') and a reason to call it ('the ones a friends alarm can be shared with'), while ruling out the alarm-member case. It stops short of naming an alternative tool explicitly, so not a full 5.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

All LFG Alarm toolsInspect
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