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Amazon Seller MCP

Amazon Seller MCP

by bhavykhatri
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

List all listings

list_listings

Retrieves a real-time, paginated list of all catalogued SKUs for the seller account.

Instructions

Real-time list of catalogued SKUs for the seller (searchListingsItems). Paginates through all pages.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "list_listings"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.1

TDQS

A4.2/5.0
Behavior3/5

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 adds useful context by stating the list is 'real-time' and that it 'paginates through all pages', which implies it handles fetching the entire dataset. However, it does not explicitly confirm the operation is read-only (though obvious), nor does it mention any potential response size, rate limits, or whether it returns full listing objects or just SKU identifiers. The provided info is above minimal but still has gaps.

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?

The description is a single efficient sentence plus a parenthetical, with no wasted words. The primary purpose ('list all listings') is front-loaded, and the pagination detail adds valuable information without redundancy. It is both concise and well-structured.

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?

Given the tool has no parameters and no output schema, the description is reasonably complete. It clarifies the scope (all SKUs for the seller) and the pagination behavior, which are the key operational aspects. However, it leaves ambiguous whether the returned data is just SKU identifiers or full listing details, and it does not mention any filtering or sorting options (though none are implied). For a simple list-all tool, this is adequate but not exhaustive.

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?

There are zero parameters, so the schema coverage is trivially 100%. The baseline for a 0-parameter tool is 4, and the description does not need to add parameter-specific meaning. It correctly omits any parameter details since none exist.

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 lists all catalogued SKUs for the seller, naming the underlying method (searchListingsItems) and explicitly mentioning pagination through all pages. It distinguishes itself from sibling tools like get_listing (single item) and upsert_listing (create/update) by focusing on the bulk listing action.

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 context is clear: this tool is for retrieving all listings, as opposed to get_listing for a single listing. While it doesn't explicitly state 'use this when you need all listings' or exclude alternatives, the purpose is so direct that an agent would infer the appropriate usage. No exclusions are mentioned, but the listing nature is unambiguous.

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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