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chrischall

OurFamilyWizard MCP

by chrischall

gyg_get_tour_options

Read-onlyIdempotent

List bookable tour options—ticket types, times, and languages—optionally filtered by date range. Image URLs are omitted unless view is set to full.

Instructions

List the bookable options of a tour (ticket types, times, languages offered), optionally within a date range. Image URLs are stripped by default; pass view:"full" to keep them.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
viewNoResponse shape: "compact" (default) drops fields the response already carries elsewhere; "full" returns every field this server understands. compact strips image URLs and keeps every other field; "full" returns GetYourGuide's whole record, image URLs included.
limitNoMaximum number of items to return (1-500).
dateToNoLatest date, YYYY-MM-DD (or full YYYY-MM-DDThh:mm:ss). Must not be before dateFrom.
tourIdYesNumeric GetYourGuide tour ID (e.g. 23776).
currencyNoCurrency for prices, ISO 4217 (e.g. USD, EUR). Defaults to GYG_CURRENCY when set.
dateFromNoEarliest date, YYYY-MM-DD (or full YYYY-MM-DDThh:mm:ss). Required when dateTo is set.
languageNoContent language (e.g. en, de). Defaults to GYG_LANGUAGE when set.
extraParamsNoExtra raw query params to merge into the request (escape hatch for API drift). Keys that duplicate this tool's own arguments are ignored.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed7 schema fields changedv2.1.7
    • addedInput schema / properties / dateFrom / anyOf
      Added value: +[
      +  {
      +    "format": "date",
      +    "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
      +    "type": "string"
      +  },
      +  {
      +    "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z)|(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?)$",
      +    "type": "string"
      +  }
      +]
    • removedInput schema / properties / dateFrom / type
      Removed value: -"string"
    • addedInput schema / properties / dateTo / anyOf
      Added value: +[
      +  {
      +    "format": "date",
      +    "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))$",
      +    "type": "string"
      +  },
      +  {
      +    "pattern": "^(?:(?:\\d\\d[2468][048]|\\d\\d[13579][26]|\\d\\d0[48]|[02468][048]00|[13579][26]00)-02-29|\\d{4}-(?:(?:0[13578]|1[02])-(?:0[1-9]|[12]\\d|3[01])|(?:0[469]|11)-(?:0[1-9]|[12]\\d|30)|(?:02)-(?:0[1-9]|1\\d|2[0-8])))T(?:(?:[01]\\d|2[0-3]):[0-5]\\d:[0-5]\\d(?:\\.\\d+)?(?:Z)|(?:[01]\\d|2[0-3]):[0-5]\\d(?::[0-5]\\d(?:\\.\\d+)?)?)$",
      +    "type": "string"
      +  }
      +]
    • changedInput schema / properties / dateTo / description
      Previous value: -"Latest date, YYYY-MM-DD (or full YYYY-MM-DDThh:mm:ss)."New value: +"Latest date, YYYY-MM-DD (or full YYYY-MM-DDThh:mm:ss). Must not be before dateFrom."
    • removedInput schema / properties / dateTo / type
      Removed value: -"string"
    • changedInput schema / properties / extraParams / description
      Previous value: -"Extra raw query params to merge into the request verbatim (escape hatch for API drift)."New value: +"Extra raw query params to merge into the request (escape hatch for API drift). Keys that duplicate this tool's own arguments are ignored."
    • addedInput schema / properties / view
      Added value: +{
      +  "description": "Response shape: \"compact\" (default) drops fields the response already carries elsewhere; \"full\" returns every field this server understands. compact strips image URLs and keeps every other field; \"full\" returns GetYourGuide's whole record, image URLs included.",
      +  "enum": [
      +    "compact",
      +    "full"
      +  ],
      +  "type": "string"
      +}
  2. Changed1 schema field changedv2.0.0
    • changedInput schema / $schema
      Previous value: -"http://json-schema.org/draft-07/schema#"New value: +"https://json-schema.org/draft/2020-12/schema"
  3. First observedv1.1.2

TDQS

A3.8/5.0
Behavior4/5

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

Annotations already declare readOnly, idempotent and openWorld, so the safety profile is covered. The description adds genuine behavioral context on top: image URLs are suppressed by default and the caller must pass view:"full" to retain them, which tells an agent what the default response will and won't contain.

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?

Two tight sentences: capability first, then the view/image-URL caveat. Nothing is padded and no sentence is redundant.

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 an 8-parameter read-only tool with no output schema, the description does the important work of characterizing the returned options. It omits any mention of the limit/pagination behavior and the currency/language defaults, but the schema covers those fields, so the gap is minor.

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%, so every parameter is already documented, and by the rubric that sets a baseline of 3. The description restates the date-range option and the view default but adds no format detail or syntax beyond what the schema field descriptions already say.

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 and resource ('List the bookable options of a tour') and enumerates what those options are (ticket types, times, languages offered), which implicitly separates it from siblings like gyg_get_tour and gyg_get_tour_availability. It never names an alternative tool explicitly, so it stops short of full sibling differentiation.

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?

'Optionally within a date range' hints at when the date parameters matter, but there is no explicit when-to-use guidance, no prerequisite (e.g. needing a valid tour ID first), and no routing to or away from siblings. Usage is only implied.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.