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justwatch_age_certifications

Retrieve JustWatch age certification technical names for a country. Provide a two-letter country code to get the applicable certifications.

Instructions

Get JustWatch age certifications. Returns JustWatch age certification technical names for a country.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
countryNoTwo-letter country code
Behavior2/5

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

No annotations provided. The description merely says 'returns technical names' without disclosing behavior like read-only nature, response format, or any side effects. Minimal disclosure beyond basic purpose.

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 short sentences effectively communicate the tool's purpose with no unnecessary words. Efficient and front-loaded.

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 retrieval tool with one optional parameter and no output schema, the description is adequate but lacks details on default behavior when country is omitted and what 'technical names' entail. Could be more complete.

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

Parameters2/5

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

Schema coverage is 100% (country parameter described as 'Two-letter country code'), but the description adds only the phrase 'technical names' which is not in the schema. This adds marginal context but doesn't significantly enhance understanding of the parameter.

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 retrieves JustWatch age certifications for a country, specifying it returns 'technical names,' which differentiates it from sibling tools like justwatch_genres or justwatch_providers.

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 for a country but provides no explicit guidance on when to use or not use this tool versus alternatives. The optional country parameter is mentioned but not clarified for default behavior.

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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