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panuhen

Spotify MCP Server

by panuhen

get_queue

Retrieve the upcoming tracks in the Spotify playback queue so you can see what will play next.

Instructions

The next tracks in the queue.

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.1/5.0
Behavior1/5

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

With no annotations and no output schema, the description carries the full behavioral burden and provides none of it. It does not state that this is a read-only operation, how many tracks are returned, whether pagination applies, or how it relates to playback state.

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

Conciseness2/5

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

The single sentence is short but under-specified rather than concise; it delivers almost no information and is not structured to front-load scope or purpose. Brevity here reflects missing content, not efficiency.

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?

For a simple zero-parameter read tool, the definition still fails to explain what 'next tracks' means (whole queue vs. upcoming items) or how it differs from adjacent playback-state tools. With no annotations and no output schema, the description should do more than this fragment.

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 empty, so there is nothing for the description to clarify. Baseline 4 applies for a parameterless tool.

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

Purpose2/5

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

The description is a bare noun phrase that largely restates the tool name ('get_queue' → 'the next tracks in the queue'). It signals the resource (queue) but supplies no verb and leaves ambiguous whether it returns the entire queue or only upcoming tracks, so an agent cannot clearly separate it from get_current_track or get_playback_state.

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?

There is no guidance on when to use this tool versus siblings such as get_current_track, get_playback_state, or add_to_queue. The agent must infer usage entirely from the name.

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