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bbernstein

LacyLights MCP Server

by bbernstein

get_cue_list_status

Get the currently playing cue list and navigation options to control theatrical lighting cues.

Instructions

Get information about the currently playing cue list and navigation options

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv1.7.0

TDQS

B3.1/5.0
Behavior2/5

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

No annotations are supplied, so the description carries the full behavioral burden. 'Get information' implies a read, but the description doesn't say what happens when nothing is playing, whether an error is returned, what the status payload contains, or whether any state changes. For a zero-annotation status tool this is a real gap.

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?

A single efficient sentence with the core action front-loaded ('Get information about the currently playing cue list'). No filler or redundancy, though it is arguably too terse for the behavioral detail it omits.

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

Completeness3/5

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

With no output schema, the description is the only place an agent can learn what 'status' returns. It gestures at 'currently playing cue list and navigation options' but never enumerates the fields or states the no-active-list case, leaving the agent under-informed for a state-inspection tool.

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?

The tool takes zero parameters and the schema is trivially complete, so there is nothing for the description to disambiguate. Baseline of 4 applies for a parameterless tool.

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?

States a specific verb and resource: getting information about the currently playing cue list, plus navigation options. This is distinguishable from list_cue_lists (enumeration) and get_cue_list_details (details of a specific list), though the description never explicitly draws that distinction. The 'navigation options' phrase is somewhat vague but still signals a status/state read.

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 call this versus get_cue_list_details, list_cue_lists, or the next_cue/previous_cue navigation siblings. There is no mention of prerequisites (e.g., must a cue list be playing) or exclusions. Usage is only inferable from the name and the word 'currently playing'.

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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