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cswkim

Discogs MCP Server

by cswkim

edit_release_rating

Update the rating of a Discogs release for a specific user. Provide username, release ID, and rating (1-5).

Instructions

Updates the release's rating for a given user

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
usernameYes
release_idYes
ratingYes
Behavior2/5

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

The description only notes 'Updates' but fails to disclose behavioral traits like idempotency, authorization requirements, or side effects. With no annotations, the burden is higher, and this is insufficient.

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

Conciseness3/5

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

The description is a single concise sentence, but the extreme brevity sacrifices completeness. It could include one more sentence for parameter or behavioral context without being verbose.

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?

Given the lack of annotations, output schema, and parameter descriptions, the description fails to provide sufficient completeness. It omits crucial details like return value, error conditions, and permissions.

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

Parameters1/5

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

Schema description coverage is 0%, and the description offers no additional meaning for any of the three parameters (username, release_id, rating), leaving the agent without essential context.

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 'Updates' and the resource 'release's rating for a given user', which distinguishes it from sibling tools like 'delete_release_rating' and 'get_release_rating_by_user'.

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 is provided on when to use this tool versus alternatives such as 'rate_release_in_user_collection', nor any context on prerequisites or exclusions.

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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