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trends___get_time_series

Read-onlyIdempotent

Full historical series for one keyword and one source (0-100 values, plus volume when available). Suited for charting or custom math. Live 'what's trending now' boards are on get_top_trends. get_growth answers most growth questions with less data. Returns a plan-limit message when the request is rate limited or the monthly quota is used up.

Input Schema

NameRequiredDescriptionDefault
sourceYesExactly one source per request. Valid: 'Google Search', 'Google Images', 'Google News', 'Google Shopping', 'YouTube', 'Wikipedia', 'TikTok', 'Amazon', 'Pinterest', 'npm', 'Python', 'Steam', 'App Downloads', 'App Rankings'.
countryNoOptional ISO 3166-1 alpha-2 code (US, GB, JP). Aliases like 'UK' or 'United Kingdom' resolve too. Only for Google Search, Google Images, Google News, Google Shopping, YouTube, TikTok, and Pinterest. Google defaults to worldwide, TikTok to US; with a country the data is fetched live.
keywordYesWhat to look up. The string format is required by source. Standard sources (Google Search, Google Images, Google News, Google Shopping, YouTube, Wikipedia, TikTok, Amazon, Pinterest): any name or phrase, e.g. 'tesla'. npm: Exact npmjs.com package name, case-sensitive. Right: 'react', '@babel/core'. Wrong: 'React', 'React.js'. Python: Exact PyPI project name. Right: 'pandas', 'requests'. Wrong: 'Pandas'. Steam: Game display name in plain English, not a Steam App ID. Right: 'Elden Ring', 'CS2'. First Steam store search result wins, so use an unambiguous name. App Downloads and App Rankings: Android bundle ID only (the id= value on Google Play). Right: 'com.openai.chatgpt', 'com.whatsapp'. Wrong: 'ChatGPT', 'WhatsApp', an iOS App Store ID, or a bundle ID that is not Android. Find it at play.google.com/store/apps/details?id=THIS_PART.
languageNoOptional language edition code (en, de, ja, pt). Only for Wikipedia. Default en; other languages are fetched live.
resolutionNoOptional. 'weekly' (default, about 5 years) or 'daily' (last 90 days, fetched live). Only for Google Search, Google Images, Google News, Google Shopping, and YouTube.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed3 schema fields changed
    • changedInput schema / properties / country / description
      Previous value: -"Optional ISO 3166-1 alpha-2 code (US, GB, JP). Aliases like 'UK' or 'United Kingdom' resolve too. Only for Google Search, Google Images, Google News, Google Shopping, YouTube, and TikTok. Google defaults to worldwide, TikTok to US; with a country the data is fetched live."New value: +"Optional ISO 3166-1 alpha-2 code (US, GB, JP). Aliases like 'UK' or 'United Kingdom' resolve too. Only for Google Search, Google Images, Google News, Google Shopping, YouTube, TikTok, and Pinterest. Google defaults to worldwide, TikTok to US; with a country the data is fetched live."
    • changedInput schema / properties / keyword / description
      Previous value: -"What to look up. The string format is required by source. Standard sources (Google Search, Google Images, Google News, Google Shopping, YouTube, Wikipedia, TikTok, Amazon): any name or phrase, e.g. 'tesla'. npm: Exact npmjs.com package name, case-sensitive. Right: 'react', '@babel/core'. Wrong: 'React', 'React.js'. Python: Exact PyPI project name. Right: 'pandas', 'requests'. Wrong: 'Pandas'. Steam: Game display name in plain English, not a Steam App ID. Right: 'Elden Ring', 'CS2'. First Steam store search result wins, so use an unambiguous name. App Downloads and App Rankings: Android bundle ID only (the id= value on Google Play). Right: 'com.openai.chatgpt', 'com.whatsapp'. Wrong: 'ChatGPT', 'WhatsApp', an iOS App Store ID, or a bundle ID that is not Android. Find it at play.google.com/store/apps/details?id=THIS_PART."New value: +"What to look up. The string format is required by source. Standard sources (Google Search, Google Images, Google News, Google Shopping, YouTube, Wikipedia, TikTok, Amazon, Pinterest): any name or phrase, e.g. 'tesla'. npm: Exact npmjs.com package name, case-sensitive. Right: 'react', '@babel/core'. Wrong: 'React', 'React.js'. Python: Exact PyPI project name. Right: 'pandas', 'requests'. Wrong: 'Pandas'. Steam: Game display name in plain English, not a Steam App ID. Right: 'Elden Ring', 'CS2'. First Steam store search result wins, so use an unambiguous name. App Downloads and App Rankings: Android bundle ID only (the id= value on Google Play). Right: 'com.openai.chatgpt', 'com.whatsapp'. Wrong: 'ChatGPT', 'WhatsApp', an iOS App Store ID, or a bundle ID that is not Android. Find it at play.google.com/store/apps/details?id=THIS_PART."
    • changedInput schema / properties / source / description
      Previous value: -"Exactly one source per request. Valid: 'Google Search', 'Google Images', 'Google News', 'Google Shopping', 'YouTube', 'Wikipedia', 'TikTok', 'Amazon', 'npm', 'Python', 'Steam', 'App Downloads', 'App Rankings'."New value: +"Exactly one source per request. Valid: 'Google Search', 'Google Images', 'Google News', 'Google Shopping', 'YouTube', 'Wikipedia', 'TikTok', 'Amazon', 'Pinterest', 'npm', 'Python', 'Steam', 'App Downloads', 'App Rankings'."
  2. Changed3 schema fields changed
    • changedInput schema / properties / country / description
      Previous value: -"Optional ISO 3166-1 alpha-2 code (US, GB, JP). Aliases like 'UK' or 'United Kingdom' resolve too. Omit for worldwide. Only for Google Search, Google Images, Google News, Google Shopping, and YouTube; with a country the data is fetched live."New value: +"Optional ISO 3166-1 alpha-2 code (US, GB, JP). Aliases like 'UK' or 'United Kingdom' resolve too. Only for Google Search, Google Images, Google News, Google Shopping, YouTube, and TikTok. Google defaults to worldwide, TikTok to US; with a country the data is fetched live."
    • addedInput schema / properties / language
      Added value: +{
      +  "description": "Optional language edition code (en, de, ja, pt). Only for Wikipedia. Default en; other languages are fetched live.",
      +  "type": "string"
      +}
    • addedInput schema / properties / resolution
      Added value: +{
      +  "description": "Optional. 'weekly' (default, about 5 years) or 'daily' (last 90 days, fetched live). Only for Google Search, Google Images, Google News, Google Shopping, and YouTube.",
      +  "type": "string"
      +}
  3. Changed3 schema fields changed
    • addedInput schema / properties / country
      Added value: +{
      +  "description": "Optional ISO 3166-1 alpha-2 code (US, GB, JP). Aliases like 'UK' or 'United Kingdom' resolve too. Omit for worldwide. Only for Google Search, Google Images, Google News, Google Shopping, and YouTube; with a country the data is fetched live.",
      +  "type": "string"
      +}
    • changedInput schema / properties / keyword / description
      Previous value: -"What to look up. The string format is required by source. Standard sources (google search, google images, google news, google shopping, youtube, wikipedia, tiktok, amazon): any name or phrase, e.g. 'tesla'. npm: exact npmjs.com package name, case-sensitive. Right: 'react', '@babel/core'. Wrong: 'React', 'React.js'. python: exact PyPI project name. Right: 'pandas', 'requests'. Wrong: 'Pandas'. steam: game display name in plain English, not a Steam App ID. Right: 'Elden Ring', 'CS2'. First Steam store search result wins, so use an unambiguous name. app downloads and app rankings: Android bundle ID only (the id= value on Google Play). Right: 'com.openai.chatgpt', 'com.whatsapp'. Wrong: 'ChatGPT', 'WhatsApp', an iOS App Store ID, or a bundle ID that is not Android. Find it at play.google.com/store/apps/details?id=THIS_PART."New value: +"What to look up. The string format is required by source. Standard sources (Google Search, Google Images, Google News, Google Shopping, YouTube, Wikipedia, TikTok, Amazon): any name or phrase, e.g. 'tesla'. npm: Exact npmjs.com package name, case-sensitive. Right: 'react', '@babel/core'. Wrong: 'React', 'React.js'. Python: Exact PyPI project name. Right: 'pandas', 'requests'. Wrong: 'Pandas'. Steam: Game display name in plain English, not a Steam App ID. Right: 'Elden Ring', 'CS2'. First Steam store search result wins, so use an unambiguous name. App Downloads and App Rankings: Android bundle ID only (the id= value on Google Play). Right: 'com.openai.chatgpt', 'com.whatsapp'. Wrong: 'ChatGPT', 'WhatsApp', an iOS App Store ID, or a bundle ID that is not Android. Find it at play.google.com/store/apps/details?id=THIS_PART."
    • changedInput schema / properties / source / description
      Previous value: -"Exactly one source per request. Valid: 'google search', 'google images', 'google news', 'google shopping', 'youtube', 'wikipedia', 'tiktok', 'amazon', 'npm', 'python', 'steam', 'app downloads', 'app rankings'."New value: +"Exactly one source per request. Valid: 'Google Search', 'Google Images', 'Google News', 'Google Shopping', 'YouTube', 'Wikipedia', 'TikTok', 'Amazon', 'npm', 'Python', 'Steam', 'App Downloads', 'App Rankings'."
  4. Changed2 schema fields changed
    • changedInput schema / properties / keyword / description
      Previous value: -"What to look up. The string format is required by source. Standard sources (google search, google images, google news, google shopping, youtube, wikipedia, tiktok, reddit, amazon, news sentiment, news volume): any name or phrase, e.g. 'tesla'. npm: exact npmjs.com package name, case-sensitive. Right: 'react', '@babel/core'. Wrong: 'React', 'React.js'. python: exact PyPI project name. Right: 'pandas', 'requests'. Wrong: 'Pandas'. steam: game display name in plain English, not a Steam App ID. Right: 'Elden Ring', 'CS2'. First Steam store search result wins, so use an unambiguous name. app downloads and app rankings: Android bundle ID only (the id= value on Google Play). Right: 'com.openai.chatgpt', 'com.whatsapp'. Wrong: 'ChatGPT', 'WhatsApp', an iOS App Store ID, or a bundle ID that is not Android. Find it at play.google.com/store/apps/details?id=THIS_PART."New value: +"What to look up. The string format is required by source. Standard sources (google search, google images, google news, google shopping, youtube, wikipedia, tiktok, amazon): any name or phrase, e.g. 'tesla'. npm: exact npmjs.com package name, case-sensitive. Right: 'react', '@babel/core'. Wrong: 'React', 'React.js'. python: exact PyPI project name. Right: 'pandas', 'requests'. Wrong: 'Pandas'. steam: game display name in plain English, not a Steam App ID. Right: 'Elden Ring', 'CS2'. First Steam store search result wins, so use an unambiguous name. app downloads and app rankings: Android bundle ID only (the id= value on Google Play). Right: 'com.openai.chatgpt', 'com.whatsapp'. Wrong: 'ChatGPT', 'WhatsApp', an iOS App Store ID, or a bundle ID that is not Android. Find it at play.google.com/store/apps/details?id=THIS_PART."
    • changedInput schema / properties / source / description
      Previous value: -"Exactly one source per request. Valid: 'google search', 'google images', 'google news', 'google shopping', 'youtube', 'wikipedia', 'tiktok', 'reddit', 'amazon', 'news sentiment', 'news volume', 'npm', 'python', 'steam', 'app downloads', 'app rankings'."New value: +"Exactly one source per request. Valid: 'google search', 'google images', 'google news', 'google shopping', 'youtube', 'wikipedia', 'tiktok', 'amazon', 'npm', 'python', 'steam', 'app downloads', 'app rankings'."
  5. First observed

TDQS

A4.3/5.0
Behavior4/5

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

Annotations already declare readOnly, idempotent, non-destructive, open-world, so the safety profile is covered. The description adds real value beyond them: the 0-100 normalized value range, optional volume, and the fact that a plan-limit message is returned on rate limiting or monthly quota exhaustion. It stops short of describing series length, gaps, or response envelope details.

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?

Four compact sentences, front-loaded with the core capability and followed by alternatives and the quota caveat. Slightly clipped phrasing ('get_growth answers most growth questions with less data') reads as telegraphic but wastes no space.

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?

With 5 parameters, 100% schema coverage, no output schema, and full annotations, the description covers purpose, routing, output scale, and quota failure mode. Return structure is only sketched (values plus volume) but the missing detail is minor given the schema's thoroughness.

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%, and the source parameter already documents per-source keyword formats, country, language, and resolution constraints in detail. The description only reinforces the single-source-per-request rule, adding little beyond what the schema carries. Baseline 3 is correct when the schema does the heavy lifting.

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?

States a specific verb and resource ('Full historical series for one keyword and one source') and immediately qualifies the output shape (0-100 values, plus volume when available). It explicitly names two siblings it is not (get_top_trends, get_growth), so an agent can route without opening any schema.

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?

Gives positive usage ('Suited for charting or custom math') and explicit alternatives with conditions: get_top_trends for live trending boards, get_growth for most growth questions with less data. This is the when/when-not/alternative pattern done properly.

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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