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V³ News

Server Details

Cited geopolitical events, multi-perspective briefs, and live breaking news from V³ News.

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Status
Healthy
Last Tested
Transport
Streamable HTTP
URL

Available Tools

7 tools
fetchA
Read-onlyIdempotent
Inspect

Fetch the full text of a single V³ event by id (from search).

Returns V³'s public report (headline, why-it-matters, the full
long-form report when V³ has authored one, risk/impact/signal scores,
coverage depth) plus the canonical v3.news url for citation. The
country-by-country perspectives, timeline, decisions and assessed
outcomes live at that url.

Args:
    id: the V³ event id returned by ``search``.
ParametersJSON Schema
NameRequiredDescriptionDefault
idYes

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

A4/5.0
Behavior4/5

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

Annotations already declare readOnlyHint, idempotentHint, and non-destructive behavior. The description adds meaningful context by describing what the report contains, noting that the long-form report is included only 'when V³ has authored one', and directing further details to the canonical URL. This goes beyond annotations without contradicting them.

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

Conciseness4/5

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

The description is appropriately sized, with the main purpose front-loaded and a concise list of return components. It avoids unnecessary filler and directly communicates the essential information. Minor improvement could be splitting the return list for scannability, but it is already clear and efficient.

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 one-parameter read tool with a rich output schema, the description covers the return content, the id source, and points to where additional data lives. It does not mention error scenarios or URL format, but these are not critical for a read-only fetch tool. The context is complete enough for correct selection and invocation.

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

Parameters4/5

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

The schema only defines 'id' as a required string with no description, so the description carries the burden. It explains that the id is the V³ event id returned by 'search', which is exactly the semantic detail an agent needs. For a single parameter with 0% schema coverage, this is sufficient.

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

Purpose4/5

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

The description states a specific verb (Fetch) and resource ('full text of a single V³ event by id'), and clearly identifies the id source as 'from search'. It details the return payload, which helps an agent understand what the tool produces. However, it does not explicitly distinguish itself from sibling v3_get_event or other v3_* tools, though the reference to search narrows the context.

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 explicitly says to use an id returned by 'search', which provides clear guidance on the prerequisite call. It implies this tool is for retrieving a specific event's full report, but it does not enumerate when to use alternatives like v3_get_event or v3_search_events. The context is clear and actionable, but lacks explicit exclusions.

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

v3_breaking_nowA
Read-onlyIdempotent
Inspect

Get events V³ is currently tracking in BREAKING tempo — fast- moving stories under near-real-time monitoring right now.

Use when the user asks "what's breaking", "any breaking news", or about a developing situation. Returns an empty list when nothing is in breaking tempo (a quiet news moment), which is itself a signal.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

A4.7/5.0
Behavior4/5

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

Annotations already provide readOnly, idempotent, non-destructive hints. Description adds the specific behavior of returning empty list when nothing is breaking, which is valuable context beyond annotations.

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?

Three sentences, each with a purpose: first states function, second gives usage guidance, third describes edge case. No wasted words, front-loaded.

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

Completeness5/5

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

Given zero parameters, presence of output schema, and clear annotations, the description fully covers purpose, usage, and expected behavior. No gaps.

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

Parameters4/5

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

No parameters in schema, so description does not need to add param info. Baseline 4 for 0 parameters is appropriate.

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?

Description states specific action: 'Get events V³ is currently tracking in BREAKING tempo'. Verb+resource clearly defined. Distinguishes from siblings like v3_latest_brief by emphasizing 'near-real-time monitoring'.

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

Usage Guidelines5/5

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

Explicitly tells when to use: 'Use when the user asks "what's breaking", "any breaking news", or about a developing situation.' Also describes the empty list case, which is a signal.

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

v3_get_eventA
Read-onlyIdempotent
Inspect

Get a single V³ event: headline, why-it-matters, scores, and how much structured analysis V³ holds on it (perspectives, decisions, outcomes).

Use after v3_search_events (or v3_breaking_now) when the user wants
detail on a specific event. This returns V³'s public summary; the
full country-by-country perspectives, timeline, decisions to watch,
and assessed outcomes are on v3.news at the returned url (a V³
account unlocks the multi-perspective analysis).

Args:
    event_id: the V³ event id from a prior tool result.
ParametersJSON Schema
NameRequiredDescriptionDefault
event_idYes

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

A4.9/5.0
Behavior5/5

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

The description adds meaningful behavioral context beyond the readOnly/openWorld/idempotent annotations: it returns only V³'s public summary, the full country-by-country analysis lives at the returned url, and a V³ account unlocks the multi-perspective analysis. This helps the agent set correct expectations about depth and access limitations.

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 well-structured and front-loaded, opening with the core action and payload, then usage context, then access limitations, then the argument note. Each sentence serves a purpose and the length is appropriate for the tool's complexity.

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

Completeness5/5

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

With an output schema present, the description does not need to document return fields. It covers the tool's purpose, when to use it, how to get the id, and what the output represents, making it complete for an agent to select and invoke correctly.

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

Parameters4/5

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

The schema provides only a plain 'event_id' string with a 0% description coverage, so the description must compensate. It does: 'the V³ event id from a prior tool result' tells the agent exactly where to source the value, though it does not specify format or validation rules.

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 states a specific verb and resource: 'Get a single V³ event' with a concrete list of contained fields (headline, why-it-matters, scores, perspectives, decisions, outcomes). It clearly differentiates itself from v3_search_events by framing this as the detail-retrieval step that follows search.

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

Usage Guidelines5/5

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

Explicit guidance is given: use after v3_search_events or v3_breaking_now when the user wants detail on a specific event. This tells the agent exactly when to invoke this tool rather than its siblings.

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

v3_global_pulseA
Read-onlyIdempotent
Inspect

Get V³'s Global Pulse — the world's current risk/impact/signal reading and how it has moved over a recent window.

Use when the user asks how tense/volatile the world is right now,
whether global risk is rising or falling, or wants a one-number
situational read rather than a specific event. Scores are 0-100
aggregates across everything V³ tracks (risk = downside pressure,
impact = consequence, signal = momentum, priority = attention
weight).

Args:
    window_days: trailing window for the trend, 2-90 (default 14).
ParametersJSON Schema
NameRequiredDescriptionDefault
window_daysNo

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

A4.7/5.0
Behavior4/5

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

Annotations already indicate read-only, idempotent, non-destructive. Description adds meaning of score dimensions (risk, impact, signal, priority) and that scores are 0-100 aggregates, providing behavioral context beyond annotations.

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?

Two paragraphs: first is purpose and usage, second is parameter details. Front-loaded, every sentence adds value, no wasted words.

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?

Covers purpose, usage, score interpretation, and parameter range. Output schema exists for return values, so not needed in description. Lacks details on trend calculation but adequate for selection.

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?

Although schema has no descriptions, the tool description includes an Args section that fully documents the lone parameter: valid range (2-90) and default (14), adding complete semantics.

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?

Description clearly states it gets 'V³'s Global Pulse' with verbs 'get' and specific resource. It contrasts with sibling tools like v3_get_event by stating it provides a 'one-number situational read rather than a specific event', differentiating well.

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

Usage Guidelines5/5

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

Explicit usage guidance: 'Use when the user asks how tense/volatile the world is right now... or wants a one-number situational read rather than a specific event.' Clearly tells when to use and when not to.

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

v3_latest_briefA
Read-onlyIdempotent
Inspect

Get V³'s latest global intelligence brief — the chief-of-staff top line on what matters in the world right now, with per-category state and counts.

Use when the user asks for a world summary, "what's happening today", or a geopolitical situation overview.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

A4.5/5.0
Behavior4/5

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

Annotations already provide readOnlyHint, openWorldHint, idempotentHint, and destructiveHint=false, indicating safe, non-destructive behavior. The description adds context that the brief is a 'chief-of-staff top line' with 'per-category state and counts', which enhances understanding of the output content without contradicting annotations.

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 extremely concise: two clear, front-loaded sentences. The first defines the tool's purpose and content, the second provides usage scenarios. No wasted words; every sentence earns its place.

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

Completeness5/5

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

Given no parameters, rich annotations, and an output schema (which covers return format), the description provides sufficient context: it names the tool's output ('global intelligence brief', 'per-category state and counts') and usage cases. No gaps remain.

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

Parameters4/5

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

With zero parameters and 100% schema coverage (vacuously), the description naturally adds no parameter info. According to guidelines, baseline is 4 for 0 parameters. The description does not need to elaborate on parameters, so score is 4.

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 retrieves 'V³'s latest global intelligence brief' with 'per-category state and counts'. It uses specific verb 'Get' and resource 'global intelligence brief', distinguishing it from sibling tools like v3_breaking_now or v3_global_pulse which have different scopes.

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 explicitly says to use it when the user asks for a 'world summary', 'what's happening today', or 'geopolitical situation overview'. While it doesn't explicitly mention when not to use or contrast with siblings, the use cases are clear and cover typical scenarios.

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

v3_search_eventsA
Read-onlyIdempotent
Inspect

Search V³ News for tracked geopolitical events.

Use when the user asks what is happening on a topic, in a country,
or in a domain (e.g. security, energy, finance, technology). Returns
a ranked list of events with why-it-matters, risk/impact/signal
scores, and a v3.news link for each.

Args:
    query: free-text topic (e.g. "Iran sanctions", "Taiwan"). Optional.
    country: ISO-3166 alpha-2 code to filter by (e.g. "US", "CN"). Optional.
    category: V³ category slug — one of geopolitics, security_risk,
        energy_resources, finance, markets, macroeconomics,
        public_finance, trade_supply, technology, science_biosecurity,
        environment_climate, business. Optional.
    limit: max results, 1-20 (default 10).
ParametersJSON Schema
NameRequiredDescriptionDefault
limitNo
queryNo
countryNo
categoryNo

Output Schema

ParametersJSON Schema
NameRequiredDescription

No output parameters

TDQS

A4.6/5.0
Behavior4/5

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

Annotations already declare readOnlyHint, idempotentHint, etc. The description adds value by detailing the output structure (why-it-matters, scores, link) and parameter constraints (limit 1-20). No contradiction with annotations.

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?

Concise and well-structured: purpose, usage guidance, output description, then parameter list. Each sentence is necessary and no filler.

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

Completeness5/5

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

Given 4 optional parameters and an output schema, the description covers all needed context: usage scenarios, parameter details, and output format. No gaps.

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?

Schema descriptions are absent (0% coverage), but the description fully compensates: provides purpose, examples, and constraints for each parameter (query, country, category list, limit range). Adds meaning beyond schema.

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 for tracked geopolitical events in V³ News, specifying verb and resource. It distinguishes from siblings like v3_get_event (single event) and v3_latest_brief (different scope) by focusing on search and ranking.

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?

Explicitly says when to use it: when user asks about a topic, country, or domain. Provides examples. However, it doesn't explicitly mention alternatives or when not to use it (e.g., for single event lookup, v3_get_event would be better).

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

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. 2 tool updates
    • Addedfetch
    • Addedsearch
  2. 5 tool updates
    • First observedv3_breaking_now
    • First observedv3_get_event
    • First observedv3_global_pulse
    • First observedv3_latest_brief
    • First observedv3_search_events

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TDQS

A3.7/5.0
Disambiguation2/5

The tool set contains two overlapping search tools ('search' and 'v3_search_events') and two overlapping fetch tools ('fetch' and 'v3_get_event'), making it unclear which one an agent should call. The differences are not obvious from the names/descriptions alone, creating real selection ambiguity.

Naming Consistency2/5

Naming is inconsistent: 'fetch' and 'search' are bare single verbs while the rest use a 'v3_' prefix with varied noun/verb forms like 'v3_breaking_now' and 'v3_global_pulse'. The pattern is not predictable enough for an agent to infer tool names.

Tool Count4/5

Seven tools is a reasonable size for a news/intelligence server. However, at least two pairs are redundant, so the count feels slightly padded rather than tightly scoped.

Completeness4/5

The core workflow of searching/fetching events, checking breaking news, and getting a global pulse/brief is covered. Minor gaps exist, such as no explicit category listing tool or way to compare multiple events side by side, but agents can work around these.

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