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justwatch_new

Retrieve newly available movies and shows from JustWatch. Filter by country, language, and type (all, movie, or show), with results up to 50.

Instructions

Get new JustWatch titles. Returns newly available movies and shows from the public JustWatch website GraphQL endpoint. Type accepts only all, movie, or show; limit defaults to 20 and clamps to 50.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
countryNoTwo-letter country code
languageNoTwo-letter language code
limitNoMaximum results, defaults to 20 and clamps to 50
typeNoTitle type: all, movie, show
Behavior3/5

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

With no annotations, the description carries the full burden. It discloses parameter constraints (type values, limit defaults/clamps) but omits response structure, pagination, rate limits, or authentication requirements.

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?

Extremely concise: two sentences with no wasted words. The first sentence front-loads the purpose, and the second efficiently covers parameter constraints.

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?

Given the tool's simplicity and full schema coverage, the description covers the essential purpose and parameter rules. However, it lacks response format details and differentiation from similar sibling tools like justwatch_popular, limiting completeness.

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 baseline is 3. The description restates type and limit constraints already in the schema, adding negligible new semantics beyond what the schema provides.

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 function: 'Get new JustWatch titles. Returns newly available movies and shows.' It uses a specific verb and resource, distinguishing it from sibling tools like justwatch_popular or justwatch_search.

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

Usage Guidelines2/5

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

The description does not provide any guidance on when to use this tool versus alternatives. It fails to mention prerequisites, when-not-to-use, or compare with siblings like justwatch_popular, which also returns titles.

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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