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setlist-mcp

setlist-mcp

by chrischall

setlist_search_countries

Read-onlyIdempotent

List all countries supported by setlist.fm with their ISO codes, so you can use a code as the countryCode filter when searching setlists.

Instructions

List all countries supported by setlist.fm, with their ISO country codes. Use a code as countryCode in setlist_search_setlists. Results include a setlist.fm url; when you present this data, cite it as a clickable source link to setlist.fm (their API terms require followable attribution — no nofollow). If a result has no url, link to https://www.setlist.fm instead.

Input Schema

NameRequiredDescriptionDefault
viewNoResponse shape: "compact" (default) drops fields the response already carries elsewhere; "full" returns every field this server understands. compact strips image/avatar URLs from the response; "full" returns Setlist.fm's payload untouched. No field projection: this server has no verified record of which Setlist.fm fields matter, and inventing one would risk dropping a field a caller needs.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changedv1.0.0
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
  2. Changed2 schema fields changedv0.11.1
    • addedInput schema / $schema
      Added value: +"http://json-schema.org/draft-07/schema#"
    • addedInput schema / properties / view
      Added value: +{
      +  "description": "Response shape: \"compact\" (default) drops fields the response already carries elsewhere; \"full\" returns every field this server understands. compact strips image/avatar URLs from the response; \"full\" returns Setlist.fm's payload untouched. No field projection: this server has no verified record of which Setlist.fm fields matter, and inventing one would risk dropping a field a caller needs.",
      +  "enum": [
      +    "compact",
      +    "full"
      +  ],
      +  "type": "string"
      +}
  3. First observedv0.4.0

TDQS

A4.1/5.0
Behavior4/5

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

Annotations already declare readOnlyHint/openWorldHint/idempotentHint, so the safety profile is covered; the description adds genuine non-obvious context, namely the setlist.fm attribution obligation ('no nofollow') and the fallback link when a result lacks a `url`. It does not discuss pagination or failure behavior, so it is strong but not exhaustive.

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 purpose, followed by downstream usage and the attribution caveat, all in three sentences with no filler. The attribution sentence is longer than strictly necessary but carries legally relevant instruction, so it earns its place.

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?

No output schema exists, so the description must characterize returns, and it does: countries plus ISO codes, plus `url` fields and what to do when `url` is absent. It is complete for a zero-parameter reference listing; only the `view` shape choices are left entirely to the schema.

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 `view` enum is documented in detail in the schema, including what compact strips. The description says nothing about `view`, but with full schema coverage the baseline of 3 applies since no additional interpretation is needed.

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 and resource ('List all countries supported by setlist.fm, with their ISO country codes') and is unambiguous against every sibling, none of which list countries. An agent can distinguish it immediately, and there is no country-listing alternative to be confused with.

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?

It explicitly tells the agent where the output is consumed: 'Use a code as countryCode in setlist_search_setlists,' which is real routing guidance to a sibling tool. It stops short of stating when *not* to call it or naming any alternative, so it does not reach a 5.

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