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Glama

cheapshark_deals

Search and compare video game deals across stores like Steam and GOG, with filters for price, savings, store, and sort order to find discounted titles.

Instructions

Search for game deals across multiple stores (Steam, GOG, etc.).

Input Schema

NameRequiredDescriptionDefault
limitNoNumber of results (default 10)
titleNoGame title to search for
sort_byNoSort: Deal Rating, Title, Savings, Price, Store, recent
store_idNoStore ID to filter (use cheapshark_stores to find IDs)
lower_priceNoMin price filter
upper_priceNoMax price filter

Schema Changelog

Changes observed during successful MCP inspections.

  1. Addedv0.1.11

TDQS

B3.1/5.0
Behavior2/5

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

With no annotations, the description carries the full burden of behavioral disclosure. It mentions multiple stores but says nothing about read-only safety, pagination, rate limits, or whether any state is modified.

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?

It is a single front-loaded sentence with no wasted words. Every part of the sentence contributes to the tool's identity.

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

Completeness3/5

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

For a six-parameter search tool with full schema coverage but no annotations or output schema, the description is minimally adequate. It establishes the core purpose but omits return format expectations, usage context, and any behavioral caveats.

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 parameter meanings are fully documented in the schema. The description adds no additional parameter semantics beyond the obvious 'multiple stores' implication, which matches the baseline for high schema coverage.

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 ('Search') and resource ('game deals') with scope ('across multiple stores'). It doesn't explicitly distinguish itself from the sibling cheapshark_stores, though that sibling is referenced in the store_id parameter description.

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

Usage Guidelines2/5

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

No guidance is provided about when to use this tool versus alternatives or in what context. It only states what the tool does, leaving usage selection entirely to inference.

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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