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ElBeldu

Spotify MCP Server

by ElBeldu

getPlaylist

Retrieve a Spotify playlist's details, including track count, description, and owner, by providing its Spotify playlist ID.

Instructions

Get details of a specific Spotify playlist including tracks count, description and owner

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
playlistIdYesThe Spotify ID of the playlist

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

B3.1/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full behavioral burden. It hints at a read-only lookup and names some returned fields, but says nothing about Spotify's OAuth requirement, whether private playlists are accessible, rate limits, or error behavior when the ID is invalid.

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 efficient sentence with the core action and the most useful return fields front-loaded. Nothing is wasted and nothing needs trimming.

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 and no annotations, the description is the only source of return information, and it only partially covers it (tracks count, description, owner) without the full playlist object shape. Adequate for a simple read tool but with clear gaps.

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

Parameters3/5

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

Schema description coverage is 100% and the single parameter playlistId is fully documented in the schema as 'The Spotify ID of the playlist'. The description adds no syntax, format, or identification guidance beyond that, so the baseline 3 applies.

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 ('Get details of a specific Spotify playlist') and enumerates the returned fields (tracks count, description, owner). It does not distinguish itself from the nearby getPlaylistTracks or getMyPlaylists siblings, which is the only thing keeping it from a 5.

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 statement of when to use this tool versus alternatives such as getPlaylistTracks, getMyPlaylists, or searchSpotify. The single sentence is purely descriptive with no context, exclusions, or prerequisites.

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