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serp_list_languages

Retrieve a table of Google search language codes and their corresponding languages to filter search results by language.

Instructions

List commonly used language codes for Google search.

Shows common language codes that can be used to get results in specific languages.

Returns:
    Table of language codes and their languages.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault
resultYes
Behavior2/5

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

With no annotations provided, the description only states that it returns a table of language codes and languages. It omits potential behavioral traits such as whether the list is exhaustive, if it requires authentication, or any rate limits.

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 extremely concise with only two short sentences and a returns line, conveying the purpose and output without any unnecessary words.

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?

Given zero parameters and an output schema, the description covers the essential information: what the tool does and what it returns. It is self-contained and clear, though it could briefly address when to use it among sibling tools.

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

Parameters4/5

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

There are no parameters, so schema coverage is 100%. The description adds no parameter information, but this is acceptable as the baseline for zero parameters is 4.

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

Purpose4/5

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

The description clearly states it lists commonly used language codes for Google search, specifying the verb and resource. It differentiates from sibling listing tools like serp_list_countries by focusing on languages, but does not explicitly contrast with them.

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 implies usage when needing language codes for search localization, but it lacks explicit guidance on when to use this tool versus alternatives like serp_list_countries or serp_list_time_ranges.

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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