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JavaScript
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chromewebstore_search

Search the Chrome Web Store by keyword and return structured result cards with app name, rating, user count, publisher, and detail URL for market research or discovery.

Instructions

Search Chrome Web Store items. Returns Chrome Web Store search result cards for a keyword, each with id, name, rating, user count, publisher and detail URL. Defaults: num=30, country=us, lang=en.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
numNoMaximum number of results
langNoTwo-letter language code
termYesSearch keyword
countryNoTwo-letter storefront country code

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv1.6.0
  2. Removedv1.6.0
  3. Addedv1.5.0

TDQS

A3.8/5.0
Behavior2/5

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

No annotations are provided, so the description carries full burden. It mentions return fields and parameter defaults but does not disclose behavior like pagination, rate limits, authentication requirements, or error handling.

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 sentences, no wasted words. The first sentence concisely states purpose and output; the second provides defaults. Front-loaded 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?

With no output schema, the description lists return fields and defaults, which is good. However, it lacks information on pagination, error handling, or whether the tool supports additional search parameters. Adequate for a simple search tool.

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?

Schema coverage is 100%, so parameters are documented. The description adds value by stating default values for num, country, and lang, which are not in the schema. This helps agents understand expected behavior without guessing defaults.

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 searches Chrome Web Store items and returns search result cards with specific fields (id, name, rating, etc.). It distinguishes from sibling tools like chromewebstore_categories or chromewebstore_item by focusing on keyword search with defaults.

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 keyword-based search but does not explicitly state when to use this vs other chromewebstore tools like chromewebstore_suggest or chromewebstore_collection. Defaults are provided but no exclusions or alternatives are mentioned.

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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