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flights-mcp

flights-mcp

by fastmcp-me
OverviewSchemaSourceRelated ServersDiscussionsAdmin
Python
Hybrid

get_flight_option_details

Retrieve detailed information for a specific flight option, including segments, pricing, and baggage details, from your search results.

Instructions

Retrieve detailed information about a specific flight option from the search results. This tool provides detailed information about a flight option, including its segments, price, baggage info. It is useful for getting more granular information about a specific flight option.

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": {
      "search_id": "<search_id>",
      "offer_id": "<offer_id>"
    },
    "name": "get_flight_option_details"
  }
}

Input Schema

NameRequiredDescriptionDefault
search_idYesSearch ID from the previous search_flights tool.
offer_idYesOffer ID of the flight option for which to request a booking link.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

A3.8/5.0
Behavior3/5

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

With no annotations, the description carries full burden. It discloses output contents (segments, price, baggage) but does not mention side effects, prerequisites, authentication, or error conditions. The implied dependency on previous search is not emphasized.

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?

Three sentences, no fluff. Front-loads the purpose, then lists contents. Every sentence adds value.

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?

Lacks output schema, but description mentions return fields. It provides enough context for a simple retrieval tool, though could clarify the connection to search_flights more explicitly.

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% with both parameters well-described. The description adds general context about output but not parameter-specific meaning beyond the schema.

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 verb 'retrieve' and the resource 'detailed information about a specific flight option'. It mentions included fields (segments, price, baggage info) and distinguishes from siblings like get_flight_options (likely returns list) and request_booking_link.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description says 'It is useful for getting more granular information' but does not explicitly state when to use or when not to use it relative to siblings. There is no mention of prerequisites or alternatives.

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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