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lemmy_search

Search Lemmy (Fediverse Reddit alternative) for posts and discussions. Returns title, score, comments, community, and content. Defaults to lemmy.world, the largest instance with 30K+ daily active users. Useful for tech community discussions, especially post-Reddit-API communities.

Instructions

Search Lemmy (Fediverse Reddit alternative) for posts and discussions. Searches lemmy.world by default (largest instance, 30K+ daily active users). Returns title, score, comments, community, and content. Good for tech community discussions, especially post-Reddit-API communities.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
queryYesSearch query
per_pageNoResults per page
sortNoSort orderTopAll
instanceNoLemmy instance to search (default: lemmy.world)lemmy.world
Behavior3/5

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

No annotations are provided, so the description must cover behavioral traits. It discloses default instance, community focus, and return fields, but does not discuss potential rate limits, auth needs, or whether results are real-time. A score of 3 is appropriate as it adds some context but lacks depth.

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 concise (3 sentences) and front-loaded with key info. Each sentence adds value: purpose, default instance, return fields, use case. Minor improvement could tighten the 'Good for...' sentence.

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 4 parameters, no output schema, and no annotations, the description is fairly complete but lacks details on pagination (per_page) and sort options, which are part of the schema. The use case guidance is helpful.

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 coverage is 100%, so the schema documents all parameters. The description adds value by explaining the default instance and return fields, but does not elaborate on parameter usage beyond what's in the schema. Baseline 3 is correct.

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 tool searches 'Lemmy (Fediverse Reddit alternative) for posts and discussions' with specific details on default instance and return fields (title, score, comments, community, content). This verb+resource combination distinguishes it from sibling tools that search other platforms.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides context on when to use (tech community discussions, post-Reddit-API communities) and default behavior (searches lemmy.world). However, it does not explicitly state when not to use or compare with alternatives.

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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