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Little Green Light MCP Server

Little Green Light MCP Server

by WillHeadlee
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
Hybrid

list_event_invitations

Read-only

List all invitations tied to a specific event ID. Facilitates tracking attendee responses and managing event communications.

Instructions

List invitations for a specific event

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "event_id": "<event_id>"
    },
    "name": "list_event_invitations"
  }
}

Input Schema

NameRequiredDescriptionDefault
event_idYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.7.0

TDQS

B3/5.0
Behavior3/5

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

Annotations provide readOnlyHint and openWorldHint, indicating safe reading and potentially incomplete results. The description adds no behavioral detail beyond what annotations imply. It does not contradict annotations.

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

Conciseness5/5

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

A single concise sentence with no redundant words. Efficiently communicates the core action.

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

Completeness2/5

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

Given no output schema, the description should outline return format or behavior. It omits pagination, filtering, or any output details, leaving significant gaps.

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

Parameters2/5

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

Input schema has one required parameter (event_id) with no description. Schema description coverage is 0%. The description hints at 'for a specific event' but does not elaborate on the parameter's format or constraints.

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

Purpose4/5

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

The description 'List invitations for a specific event' clearly states the verb (list) and resource (invitations for an event). It distinguishes from sibling 'list_constituent_invitations', which lists invitations for a constituent. However, it could be more specific about the nature of the invitations.

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

Usage Guidelines2/5

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

No guidance on when to use this tool versus alternatives like 'list_constituent_invitations' or 'create_event_invitation'. The description lacks context for selection.

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

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