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lastfm_artist_info

Fetch artist information from Last.fm by providing the artist name. Retrieve details like bio, tags, and similar artists to enrich your music data.

Instructions

Get Last.fm artist info.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
artistYes
api_keyNo
Behavior2/5

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

No annotations are present, and the description fails to disclose behavioral traits such as read-only nature, rate limits, authentication requirements, or data scope. For a tool with no annotation coverage, this is a significant gap.

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 description is extremely brief (one sentence), but this brevity constitutes under-specification rather than conciseness. It fails to earn its place by providing necessary context, making it inadequate for effective tool selection.

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?

Given the tool has 2 parameters, no output schema, no annotations, and zero parameter descriptions, the description is completely inadequate. It does not cover authentication, usage context, response expectations, or any behavioral details needed for correct invocation.

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%, but the description adds no information about parameters (artist, api_key). The description does not explain what the artist parameter expects or that api_key might be needed, leaving agents without semantic guidance beyond the schema's type constraints.

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

Purpose3/5

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

The description states the verb 'Get' and resource 'Last.fm artist info', indicating the tool retrieves artist information. However, it lacks specificity about what 'info' includes and does not differentiate from sibling tools like lastfm_similar_artists or lastfm_search_artists, resulting in vague purpose.

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. With multiple Last.fm artist-related tools among siblings, the description offers no context for selection, missing an opportunity to clarify usage scenarios.

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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