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Gangwaze

by com.gangwaze
OverviewDiscussionsAdmin

A ship's cabins

getShipCabins
Read-onlyIdempotent

A ship's cabins grouped by type (inside, ocean view, balcony, suite): categories, cabin counts, size range, how many they sleep, and the line's guarantee categories.

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "ship": "<ship>"
    },
    "name": "getShipCabins"
  }
}

Input Schema

NameRequiredDescriptionDefault
shipYesShip name, e.g. "Voyager of the Seas"

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observed

TDQS

A3.5/5.0
Behavior4/5

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

Annotations already cover safety (readOnly, idempotent, non-destructive, closed-world), but with no output schema the description usefully discloses the returned payload: cabin categories, counts, size range, occupancy, and guarantee categories. It omits pagination/ordering behavior, keeping it from a 5.

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 front-loaded sentence naming the resource and grouping before enumerating fields; no filler or repetition of annotations. The field list is dense but each item is informative.

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?

For a read-only, single-parameter lookup with full annotation coverage, the definition gives the agent enough: what is queried and what is returned. Only the missing sibling differentiation and any result ordering limits keep it below complete.

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?

Schema description coverage is 100% and there is a single required 'ship' parameter fully documented with an example in the schema. The description adds no parameter-level meaning beyond that, so the baseline of 3 applies.

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?

States a specific verb (get) and resource (a ship's cabins) plus the grouping dimension and returned fields, so the agent knows exactly what comes back. It does not differentiate itself from the sibling getCabinDetail, which is the closest candidate for confusion, so it stops short of a 5.

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 when-to-use or when-not-to-use guidance. Nothing tells the agent to prefer this over getCabinDetail for per-cabin information, and no prerequisites (e.g., a valid ship identifier source) are given.

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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