Multi-City Trip Planner MCP server

Which servers in the official MCP registry are Multi-City Trip Planner's own, whether they answer, and what they offer. A program checked each of these, nobody copied them from a product page.

read 2026-10-20

← Back to Multi-City Trip Planner

Whose server it is

Registry namecom.whatevertrips/flightsverified in the MCP registry

The registry name sits under whatevertrips.com. The registry only lets a publisher use that namespace after proving control of the domain through DNS or HTTP.

When we asked itchecked 2026-10-20

Stateanswerschecked 2026-10-20
Tools4
Server calls itselfwhatevertrips
Server version1.0.0
Protocol version2025-06-18

On 2026-10-20 the server answered initialize and tools/list without a sign-in. First answer in 731 ms.

Measured dailydaily checks: 1, the first on 2026-10-20

Answeredmeasuring1 of the 7 daily checks it takes to print a share
Median first answer672 ms
Space in an agent's context≈ 856 tokensthe definitions of all its tools (4), which an agent carries on every turn
Tool definitionsA · 100 of 100
Typed results4 of 4 toolsdeclared outputSchema: results come typed, read once

Every tool passes all six checks.

Worth a look

None of the five warning signs in these definitions.

A program checks the server once a day: initialize and tools/list, no model. Tokens are the definitions' length at about four characters a token. The grade averages six checks of every tool's name, description, schema and annotations; it says how well the tools are described, not whether they work. The state of vendors' MCP servers: method and numbers →

Tools it offers4 tools · read 2026-10-20

plan_trips
Generate cheap round trips through several cities, from cached flights. Accepts one departure city (from) or up to 5 (from_cities); with several, a trip can return to a different one of them. Returns trips sorted by total price. To share…
save_trip
Save a trip from flight ids returned by search_flights or plan_trips. Returns a public page with the trip and a booking link on Kiwi.com. Prices are confirmed on the booking site.
search_cities
Find city names we have flights for. Use the exact name in the other tools.
search_flights
Cheapest one-way flights between two cities, or from one city to anywhere, from cached airline prices. Dates are a departure window.

How to connect

Add the server to your MCP client config. Claude Desktop, Cursor and most other clients read this shape:

{
  "mcpServers": {
    "flights": {
      "type": "http",
      "url": "https://api.whatevertrips.com/mcp"
    }
  }
}

Each line is something a program found when it went looking: the registry entry, the server's own answer, a spec that parses. A missing line means we did not find it, not that it does not exist.