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KuudoAI

Amazon Selling Central MCP

by KuudoAI

Services_updateReservation

Update reservation information in Amazon Selling Central to keep order schedules and availability current.

Instructions

Catalog entry. Runs in your Kuudo deployment, not here. Update a reservation.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections. Dates show when Glama detected each change.

  1. First observedv1.0.0

TDQS

C2.9/5.0
Behavior2/5

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

No annotations are provided, so the description carries the full behavioral disclosure burden. It only says the tool 'Runs in your Kuudo deployment, not here,' which is ambiguous and does not explain side effects, authorization needs, reversibility, or response behavior. The phrase 'Catalog entry' makes it unclear whether the tool is even callable.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness3/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is short, but 'Catalog entry' is filler that does not help an agent. The substantive purpose statement is placed last, and the deployment note is vague, so not every sentence earns its place.

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 agent cannot safely invoke this update tool: there is no reservation ID, no request body structure, no output description, and no annotations. The remote-execution note raises ambiguity about whether the tool runs in this environment at all. This is incomplete for an update operation with an open schema.

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?

The input schema defines zero properties, so the zero-parameter baseline applies; there is nothing concrete for the description to document. The schema's additionalProperties:true leaves the actual update fields unspecified, and the description gives no hints about the reservation identifier or updatable fields.

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 clear verb and resource: 'Update a reservation.' This distinguishes it from siblings like Services_createReservation and Services_cancelReservation. However, the opening 'Catalog entry' and the deployment note add confusion and prevent a top score.

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?

There is no explicit guidance about when to use this tool versus create or cancel reservation operations. 'Update a reservation' is only implied usage, and 'Runs in your Kuudo deployment, not here' hints at execution context but does not clarify prerequisites, alternatives, or exclusions.

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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