get_discover_movies_language_by_language

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

Annotations already declare readOnlyHint=true, idempotentHint=true, and destructiveHint=false, so safety behavior is covered. However, the description adds no behavioral context beyond that, such as pagination behavior, query parameter semantics, or expected output shape.

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

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

The description is brief and structured with a route and an Args list, making the parameter locations clear at a glance. It contains no substantial fluff, though the route and the Args list do overlap somewhat in intent.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

With 3 parameters, no schema descriptions, and no usage guidance, the description leaves significant gaps around how to call the tool correctly. The output schema and annotations exist, but they do not explain the semantics of the discover endpoint or the language_query parameter, so the description is not complete enough.

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

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

Schema description coverage is 0%, so the description must compensate, but it only restates parameter names and their path/query positions without explaining what 'language' versus 'language_query' actually means. For example, it does not say whether language_query filters the list or controls result display language, nor does it give allowed formats or defaults.

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

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

The description states the core action and resource clearly: 'Discover movies by original language.' It includes the exact route, making the intent and resource unambiguous. Combined with the sibling names, an agent can tell this is the movie-language discover endpoint, distinct from genre/studio/TV discover tools.

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

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

No when-to-use, when-not-to-use, or alternative tool guidance is provided. The description only states the purpose and parameter location, leaving the agent to infer when this should be selected instead of list_discover_movies, get_discover_movies_genre_by_genre_id, or get_discover_tv_language_by_language.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.