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newsagentdata

NewsAgent Data MCP server

Official

get_breaking

Retrieve breaking news articles with high urgency scores. Filter by country, topic, and minimum urgency to get critical updates.

Instructions

Get recent breaking news (high urgency). Defaults to urgency >= 7.

Args: country: ISO-2 code. Empty = all. topic: topic filter (see get_feed). Empty = all. min_score: minimum urgency (default 7). limit: max articles (capped at 50).

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
countryNo
topicNo
min_scoreNo
limitNo
Behavior4/5

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

With no annotations provided, the description covers behavioral traits well: it states defaults (min_score=7, limit default 20 but capped at 50), handling of empty values for country and topic, and the brevity of results. It does not mention read-only nature, but that is implied by 'get'. The cap on limit is an important behavioral detail.

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 very concise, with 5 short lines front-loading the purpose and then listing parameters. Every sentence adds value; there is no redundancy. It efficiently conveys essential information.

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?

For a simple filtered-list tool with no output schema, the description is mostly complete: it covers all parameters, defaults, and a sibling reference. It could optionally describe the return format (articles), but that is inferable. The lack of output schema is not a gap here.

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

Parameters5/5

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

The input schema has 0% description coverage, so the description fully compensates by explaining each parameter: country (ISO-2, empty=all), topic (see get_feed, empty=all), min_score (default 7), and limit (max 50). It adds constraints and defaults beyond the schema's bare types.

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 'Get recent breaking news (high urgency)' with a specific verb and resource, and it distinguishes from siblings by emphasizing urgency and a default min_score, which is unique to this tool. The reference to get_feed for topic filtering also helps differentiate.

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 urgent/breaking news by setting a default min_score of 7, but it does not explicitly state when not to use it or directly compare to alternatives like get_feed or search_news. The guidance is implied but not fully explicit.

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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