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Free2AITools

by com.free2aitools
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free2aitools_compare

Compare 2-25 AI catalog entities side-by-side — any catalog entity type (models, datasets, papers, tools), not models only — showing FNI scores, factor breakdown (Semantic, Authority, Popularity, Recency, Quality), specs (params, VRAM, context length) where applicable, and license. USE WHEN you already have 2+ specific entity ids and want a structured side-by-side. DO NOT USE to discover entities, to run/execute a model, or to get a recommendation; the tool presents comparison facts for the caller to decide on, is not an inference router, and returns no paid placement. Read-only, no side effects, no billing. Cold upper-range multi-paper requests may return a transient 503 (retry after the indicated delay). Use free2aitools_select_model or free2aitools_search to discover candidates first, then compare the top ones.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idsYesCatalog entity IDs to compare (2-25), any entity type. Use the id from search/rank/select_model results verbatim (e.g. ["hf-model--meta-llama--llama-3-8b", "arxiv--2401.00001"])

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed1 schema field changed
    • changedInput schema / properties / ids / description
      Previous value: -"Entity IDs to compare (2-25). Use model_id from select_model results or id from search results (e.g. [\"hf-model--meta-llama--llama-3-8b\", \"hf-model--google--gemma-2-27b\"])"New value: +"Catalog entity IDs to compare (2-25), any entity type. Use the id from search/rank/select_model results verbatim (e.g. [\"hf-model--meta-llama--llama-3-8b\", \"arxiv--2401.00001\"])"
  2. Changed1 schema field changed
    • changedInput schema / properties / ids / description
      Previous value: -"Entity IDs to compare (2-10). Use model_id from select_model results or id from search results (e.g. [\"hf-model--meta-llama--llama-3-8b\", \"hf-model--google--gemma-2-27b\"])"New value: +"Entity IDs to compare (2-25). Use model_id from select_model results or id from search results (e.g. [\"hf-model--meta-llama--llama-3-8b\", \"hf-model--google--gemma-2-27b\"])"
  3. Changed1 schema field changed
    • changedInput schema / properties / ids / description
      Previous value: -"Model IDs to compare (2-10)"New value: +"Entity IDs to compare (2-10). Use model_id from select_model results or id from search results (e.g. [\"hf-model--meta-llama--llama-3-8b\", \"hf-model--google--gemma-2-27b\"])"
  4. First observed

TDQS

A4.6/5.0
Behavior5/5

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

No annotations are provided, so the description fully bears the burden. It states the tool is read-only with no side effects or billing, notes a potential transient 503 error for cold multi-paper requests with retry guidance, and clarifies it is not an inference router and returns no paid placement. These details exceed typical behavioral disclosure.

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

Conciseness5/5

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

The description is well-structured: core action first, then usage conditions, then behavioral details, and finally a pointer to sibling tools. Every sentence adds value without redundancy. It is appropriately sized for the complexity.

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?

Despite no output schema, the description lists what the comparison shows (FNI scores, factor breakdown, specs, license) and mentions error conditions (503). It lacks a description of the output format but is sufficiently complete for an agent to understand the tool's capabilities and limitations.

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%, so baseline is 3. The tool description does not add further meaning beyond what the input schema already provides (e.g., id format, count range). The description repeats the schema's example but adds no new semantic detail.

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's purpose: compare 2-25 AI catalog entities side-by-side, listing what it shows (FNI scores, factor breakdown, specs, license). It distinguishes from siblings by explicitly noting that this tool is for comparison and suggests using free2aitools_select_model or free2aitools_search for discovery.

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

Usage Guidelines5/5

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

The description provides explicit when-to-use and when-not-to-use guidance: 'USE WHEN you already have 2+ specific entity ids and want a structured side-by-side. DO NOT USE to discover entities, to run/execute a model, or to get a recommendation.' It also names sibling tools as alternatives for discovery.

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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