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cswkim

Discogs MCP Server

by cswkim

get_master_release_versions

Retrieves all release versions for a specified master release from Discogs using the master ID.

Instructions

Retrieves a list of all Releases that are versions of this master

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
master_idYes
formatNo
labelNo
releasedNo
countryNo
pageNo
per_pageNo
sortNo
sort_orderNo
Behavior2/5

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

No annotations are provided, so the description carries full burden. It does not disclose pagination, sorting, filtering capabilities, or any side effects. The bare description offers no behavior beyond 'retrieves a list'.

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?

The description is a single short sentence, which is concise. However, it lacks structure and does not front-load critical information like required parameters or output format. It earns its place but could be more informative.

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

Completeness1/5

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

The tool has 9 parameters, pagination, sorting, and filtering, yet the description gives no hint of this complexity. No output schema is provided, and the description offers no completeness. An agent would be ill-equipped to use this tool properly.

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?

With 0% schema description coverage, the description should compensate by explaining parameters. It only implies 'master_id' as a filter but omits others like 'format', 'label', 'page', etc. Schema has 9 parameters with enums, but description adds no meaning.

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?

The description clearly states the action ('Retrieves a list') and the resource ('Releases that are versions of this master'), using a specific verb and resource. It distinguishes itself from siblings like 'get_master_release' (single release) and 'get_release' (individual release).

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 or when not to. It does not mention alternatives such as 'search' or 'get_master_release' for specific needs. The description lacks context for selection among sibling tools.

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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