Builds a Kayak.com flight-search deep link for a route and dates — URL only, no prices.
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Build a Kayak.com flight-search deep link for a route and dates. Returns the URL only — no prices: Kayak renders fares client-side behind bot protection, so a server-side fetch can't read them. Open deep_link in a browser for live results, or use google_flights_search for parsed fares. Result shape: { source, deep_link, search_url, trip_type, origin, destination, departure_date, return_date, cabin_class, adults, note } — a single object, never a list: there are no fares, flights or offers to read. `deep_link` (identical to `search_url`) is the only useful output; `return_date` is null for a one-way.
Origin airport IATA code (3-letter, e.g. WAW).
Destination airport IATA code (3-letter, e.g. JFK).
Departure date, YYYY-MM-DD.
Number of adults. Default 1.
Cabin class. Default economy.
Return date, YYYY-MM-DD. Omit for one-way.
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claude mcp add --transport http kayak https://mcp.wondel.ai/kayak/mcp
Build a Kayak.com flight-search deep link for a route and dates. Returns the URL only — no prices: Kayak renders fares client-side behind bot protection, so a server-side fetch can't read them. Open deep_link in a browser for live results, or use google_flights_search for parsed fares. Result shape: { source, deep_link, search_url, trip_type, origin, destination, departure_date, return_date, cabin_class, adults, note } — a single object, never a list: there are no fares, flights or offers to read. `deep_link` (identical to `search_url`) is the only useful output; `return_date` is null for a one-way.
| Argument | Type | Description |
|---|---|---|
| adults | integer | Number of adults. Default 1. |
| origin* | string | Origin airport IATA code (3-letter, e.g. WAW). |
| cabin_class | string | Cabin class. Default economy. |
| destination* | string | Destination airport IATA code (3-letter, e.g. JFK). |
| return_date | string | Return date, YYYY-MM-DD. Omit for one-way. |
| departure_date* | string | Departure date, YYYY-MM-DD. |
{
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"origin",
"destination",
"departure_date"
],
"properties": {
"adults": {
"type": "integer",
"maximum": 9007199254740991,
"minimum": 1,
"description": "Number of adults. Default 1."
},
"origin": {
"type": "string",
"minLength": 3,
"description": "Origin airport IATA code (3-letter, e.g. WAW)."
},
"cabin_class": {
"enum": [
"economy",
"premium_economy",
"business",
"first"
],
"type": "string",
"description": "Cabin class. Default economy."
},
"destination": {
"type": "string",
"minLength": 3,
"description": "Destination airport IATA code (3-letter, e.g. JFK)."
},
"return_date": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"description": "Return date, YYYY-MM-DD. Omit for one-way."
},
"departure_date": {
"type": "string",
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"description": "Departure date, YYYY-MM-DD."
}
}
}We read every tool's name, description and inputs the way the model will, looking for instructions hidden from you. A clean result means no warning signs, not a guarantee. Scanned Nov 2, 2026.
No readOnlyHint / destructiveHint annotations, so clients can't tell a read from a write without asking.
Fix: Add annotations to each tool, e.g. { readOnlyHint: true } for tools that only read.