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A2A Retailmedia — the agentic retail-media hub for grocery

Find Buyer

find_buyer
Read-onlyIdempotent

Qualify the buyer: find a maker on the grocery record by name, with its own website where the record has one.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
makerYes
marketNo
decision_idNo

Output Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

C2.4/5.0
Behavior2/5

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

Annotations already declare readOnly, idempotent, non-destructive, and closed-world. The only added behavioral detail is the conditional 'with its own website where the record has one', which is minor; no auth, rate-limit, or lookup-failure behavior is disclosed.

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?

A single tight sentence with the action front-loaded and no filler. Its brevity is fine; the shortfall is substance, not length.

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

Completeness2/5

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

An output schema exists so return values need not be described, but with 3 parameters at 0% coverage, no usage routing, and a name/resource mismatch, the definition leaves an agent under-equipped to invoke this correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters2/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema description coverage is 0%, and the description only gestures at the 'maker'/'by name' parameter. It says nothing about 'market' or 'decision_id', leaving two of three parameters undocumented in both schema and prose.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose3/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description states a verb and a resource ('find a maker on the grocery record by name'), but the resource conflicts with the tool name/title ('find_buyer' / 'Find Buyer'). It also reads nearly identically to the sibling 'find_makers', so an agent cannot confidently tell the two apart from the text.

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?

The phrase 'Qualify the buyer' hints at intent but gives no when-to-use condition, no prerequisites, and no comparison to the obvious alternative 'find_makers'. Nothing tells the agent when this tool is the right choice over its siblings.

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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