Google News22 MCP Server

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

No annotations provided, so description carries full burden. Mentions 'most popular' ranking behavior, but fails to explain pagination (despite 'page' parameter), error handling, or whether it returns single or multiple articles. Does not clarify rate limits or auth requirements.

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?

Single sentence, appropriately brief. Front-loaded with key action. Minor wordiness with 'This endpoint lets you' rather than direct 'Finds...' construction, but no redundancy.

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?

Insufficient for a search tool with 4 parameters and no output schema. Lacks explanation of result structure, pagination behavior, and sorting methodology. Should clarify whether results are ranked by popularity and how the 'page' parameter interacts with result sets.

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 has 100% description coverage (country ISO code, language code, location string, page number). Description adds minimal semantic value beyond schema, only loosely referencing 'geographical location'. Does not explain relationship between 'country' and 'location' parameters or pagination logic.

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?

Clear verb ('find') and resource ('news article'), with specific scope ('geographical location'). Distinguishes from siblings by geolocation focus. However, uses implementation terminology ('endpoint') and ambiguously suggests singular result ('article') despite pagination parameter suggesting multiple results.

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 guidance on when to select this tool versus siblings (search_by_keyword, search_by_top_headlines, search_by_topic_headlines). No mention of prerequisites or conditions where geolocation search is preferred.

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