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Grinv

steam-games-mcp

by Grinv

Search games

search_games
Read-only

Search the Steam store by game title to find app IDs, prices, Metacritic scores, and platform availability without an API key.

Instructions

Search the Steam store by title; returns matches with their appid (needed by the other game tools), price, Metacritic score and platforms. No API key required.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
termYesGame title to search for.
countryNoCountry (cc) for prices/currency; overrides STEAM_COUNTRY for this call.
languageNoStore language (e.g. english, russian); overrides STEAM_LANGUAGE for this call.
Behavior4/5

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

Annotations already declare readOnlyHint and openWorldHint. The description adds that it returns specific fields and requires no API key, which is useful beyond annotations. No contradictions.

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?

A single, clear sentence that front-loads the action and output. No redundant 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 search tool with no output schema, the description adequately explains the return fields and the need for appid. It also mentions no API key required, which is helpful. Sibling tools are many but the description differentiates well.

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 descriptions cover all 3 parameters (100% coverage), so the description adds no extra parameter details. However, the description does explain the output, which indirectly aids understanding of parameter values.

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 the Steam store by title and returns specific fields including appid, price, Metacritic score, and platforms. This distinguishes it from sibling tools like get_game or get_prices, which require an appid.

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 indicates 'No API key required' and implies use before other tools to obtain appid. While it doesn't explicitly contrast with alternatives, the context is clear.

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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