check_deal
Judge whether an asking price is good relative to the tracked market range.
Input Schema
| Name | Required | Description | Default |
|---|---|---|---|
| q | Yes | The item | |
| price | Yes | Asking price in GBP |
Judge whether an asking price is good relative to the tracked market range.
| Name | Required | Description | Default |
|---|---|---|---|
| q | Yes | The item | |
| price | Yes | Asking price in GBP |
Changes observed during successful MCP inspections.
Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?
No annotations are provided, so the description carries the full burden. It hints at using a 'tracked market range' but does not disclose read-only nature, required permissions, output shape, or limitations.
Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.
Is the description appropriately sized, front-loaded, and free of redundancy?
A single, front-loaded sentence with no wasted words. It states the core action and comparison basis immediately.
Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.
Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?
For a simple two-parameter tool, the purpose is stated adequately. However, without an output schema, the description does not explain what a 'judgment' returns or provide usage context, leaving clear gaps.
Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.
Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?
Schema description coverage is 100%, documenting both q and price. The description adds no parameter meaning beyond what the schema already provides, so the baseline of 3 applies.
Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.
Does the description clearly state what the tool does and how it differs from similar tools?
Specifies a clear verb (judge) and resource (asking price relative to tracked market range). It does not explicitly name or differentiate from siblings like get_worth or get_sold, but the function is distinct enough for an agent to identify.
Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.
Does the description explain when to use this tool, when not to, or what alternatives exist?
Provides no explicit when-to-use, prerequisites, or alternatives. The implied context is evaluating an asking price, but an agent gets no guidance on when to choose this over get_worth or get_sold.
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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