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lookup_sign

Search the official VLibras dictionary to check if a word or term has a registered sign.

Instructions

Busca um sinal no dicionário oficial VLibras. Use para conferir se uma palavra tem sinal cadastrado.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
termYesPalavra ou termo para buscar.
limitNoMáximo de resultados (padrão 10).
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 lacks any behavioral details such as read-only nature, permissions needed, rate limits, or side effects. The description only states the action without transparency.

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?

Two sentences, no redundancy. Front-loaded with the primary action and purpose. Every word earns its place.

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?

For a simple lookup tool with 2 parameters and no output schema, the description is minimally adequate. It explains the what and when, but lacks information about return values or output format, which would be helpful given no output schema.

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% with both parameters documented in the schema. The tool description adds no extra meaning beyond what is in the schema. Baseline score of 3 applies.

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?

Description uses specific verb 'Busca' and resource 'sinal no dicionário oficial VLibras', and states the use case: 'conferir se uma palavra tem sinal cadastrado'. This clearly distinguishes from sibling tools like dictionary_stats or translate_and_validate.

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 says 'Use para conferir se uma palavra tem sinal cadastrado', which implies when to use (checking existence), but does not explicitly mention when not to use or provide alternatives 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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