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vessel-api

VesselAPI MCP Server

get_vessel_inspections

Retrieve port state control inspections for a vessel using its IMO, MMSI, or internal ID. Supports pagination.

Instructions

Get port state control inspections for a vessel

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
vesselIdYesVessel identifier (IMO number by default)
idTypeNoIdentifier type: imo (default), mmsi, or vesselId
limitNoMax results per page
nextTokenNoPagination token from previous response
Behavior2/5

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

No annotations are available, and the description does not disclose behavioral traits such as whether the operation is read-only, the nature of the returned data (summary vs detailed), or pagination behavior beyond the schema parameters.

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 extremely concise (5 words), but this brevity comes at the cost of omitting useful context. It is not wasteful but is under-informative.

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?

Given the presence of sibling tools and the lack of an output schema, the description should provide more context about what the tool returns (e.g., list vs detail, pagination) and how it differs from similar tools.

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?

The input schema has 100% description coverage for all 4 parameters, so the description adds no additional meaning beyond what the schema already provides.

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 clearly states 'Get port state control inspections for a vessel', indicating the verb and resource. The plural 'inspections' implicitly distinguishes from the sibling 'get_vessel_inspection_detail' which likely returns a single record, but no explicit differentiation is given.

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 on when to use this tool versus alternatives like 'get_vessel_inspection_detail', nor any context about prerequisites or typical scenarios.

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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