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Octen-Team

octen-mcp

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by Octen-Team

news_search

Search recent news and retrieve ranked articles with titles, URLs, and snippets. Use time, domain, and content filters to pinpoint current events.

Instructions

Search recent news with Octen and return ranked articles (title, url, snippet). This is web search locked to topic: news — use it for current events, headlines, and timely reporting. Same options as search (domain / text filters, time window, highlight / full_content, media) except topic, which is fixed to news.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
countNoNumber of results to return (1-100). Default 5.
queryYesSearch query. Max 500 chars.
formatNoFormat of returned content. Default text.text
timeoutNoRequest timeout in seconds (1-60).
end_timeNoUpper bound for the time window, ISO 8601.
highlightNoReturn a ranked highlighted snippet per result. Omit to use the server default.
safesearchNoAdult-content filter. Default strict.strict
start_timeNoLower bound for the time window, ISO 8601 (e.g. '2025-01-01T00:00:00Z').
time_basisNoWhich timestamp the time window filters against: page `published` date, last `crawled` date, or `auto`. Default auto.auto
time_rangeNoRelative time window (e.g. `week`, `month`). Mutually exclusive with `start_time`/`end_time` — if both are given, the absolute range wins.
exclude_textNoDrop results whose content contains any of these strings. Max 5, each ≤30 chars.
full_contentNoReturn the cleaned full page body per result. Heavier than `highlight` — use only when the snippet isn't enough. Omit to use the server default (off).
include_textNoOnly return results whose content contains all of these strings. Max 5, each ≤30 chars.
include_imagesNoReturn image URLs (and a cover image) found on each result page.
include_videosNoReturn video URLs found on each result page.
exclude_domainsNoDrop results from these domains. Max 150, each ≤30 chars.
include_domainsNoOnly return results from these domains (e.g. 'arxiv.org'). Max 1000, each ≤30 chars.
Behavior3/5

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

No annotations are provided, so the description must disclose all behavioral traits. It states the return format but does not mention whether the tool is read-only, authentication needs, rate limits, or any other behaviors beyond the basic operation. It adequately describes the function but lacks deeper transparency.

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 two sentences long, front-loading the core purpose and then efficiently relating the tool to its sibling. Every sentence adds value, with no redundant or irrelevant 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?

Given 17 parameters, nested objects, and no output schema, the description provides a high-level understanding by referencing the sibling tool search. It states the return format but does not detail all output fields. This reliance on external knowledge slightly reduces completeness, but overall it is adequate.

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 description coverage is 100%, so the schema already documents all parameters. The description adds no additional parameter meaning beyond a note that options are same as search. Baseline 3 is appropriate given the high schema coverage.

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 it searches recent news and returns ranked articles with title, url, snippet. It explicitly distinguishes itself from sibling tools by stating it is web search locked to topic: news, and references the same options as search except topic.

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

Usage Guidelines4/5

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

The description specifies when to use it: for current events, headlines, and timely reporting. It also notes the relationship to search, implying alternatives, but does not explicitly list when not to use it or mention other siblings like broad_search or extract.

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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