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Flight Fares MCP Server

answering

Flight Fares is answering right now. Last checked 6 min ago. It exposes 3 tools. Last commit 22 Sep 2026.

Cheapest observed fare, 6-month low and best departure date for a city pair.

Uptime history 10 days of history · worst day 94%
10 days agonow
94.5%
Uptime 24h
86 of 91 checks
3
Tools
read from the server
170 ms
Response time
average over 24h
0
Stars
last commit 22 Sep 2026

What the code does

We read the source, 11 h ago · tools taken from the live server · rules 3dff92dd89df

Capabilities

What this server is able to do. For an MCP server this is often the job itself — a terminal server runs commands because that is what it is for. Listed so you know what you are plugging in, not as an accusation.

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Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

This code can reach further than it looks

We found places where it runs commands, builds paths or queries from values it is given. None of that is a flaw by itself — it becomes one when the code changes, and code changes quietly between releases. We re-read it on every one.

Three servers free · no card

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 6 min ago.

run in your terminal
claude mcp add flight-fares --transport http https://aplusz.app/mcp
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "flight-fares": {
      "url": "https://aplusz.app/mcp"
    }
  }
}
~/.codex/config.toml
[mcp_servers.flight-fares]
url = "https://aplusz.app/mcp"
.cursor/mcp.json
{
  "mcpServers": {
    "flight-fares": {
      "url": "https://aplusz.app/mcp"
    }
  }
}
.vscode/mcp.json
{
  "mcpServers": {
    "flight-fares": {
      "url": "https://aplusz.app/mcp"
    }
  }
}

Available tools 3

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

cheapest
find_cheapest_fare
Returns the cheapest observed one-way fare between two cities, plus the six-month low and the departure date on which the low was observed. Use whenever the user names an origin and a destination and asks about price, the cheapest date to fly, or whether a fare is a good deal. Both arguments are required; neither alone produces a valid answer. Answers are directional and per pair - PAR to BKK is not BKK to PAR and is not PAR to SIN. Prices are cached snapshots, never live quotes: say "last observed", never "current price", and surface live_check_url to any user about to book.
resolve
resolve_city
Turns a spoken city name into the uppercase IATA city code the other tools expect. Call this before find_cheapest_fare whenever you are not certain of a code. Do not invent codes.
routes
list_routes_from
Returns destinations reachable from one origin, sorted cheapest first. Use when the user asks where they can fly cheaply from a city, or wants inspiration rather than one specific pair. One call replaces dozens of page fetches. Prices are cached snapshots.

Endpoints

URLTransportStateLatencyChecked
https://aplusz.app/mcp streamable-http answering 149 ms 6 min ago

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Flight Fares — questions

Answers built from our own checks of this server.

What can Flight Fares do?
It exposes 3 tools, read directly from the server on our last check. Among them: find_cheapest_fare, list_routes_from, resolve_city. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →
Is Flight Fares working right now?
We send a real MCP handshake every 15 minutes. Over the last 24 hours 86 of 91 checks got a reply (94.5%), average response time 170 ms. The bar chart above shows every period we have measured.
How do I connect Flight Fares?
Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.
Does Flight Fares need an API key?
No. Flight Fares completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 3 of them are readable on this page. This is what we observed, not what the docs claim.
How fast is Flight Fares?
It answers our handshake in 170 ms on average, which is faster than 81% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.
Is Flight Fares open source?
We cannot say either way: written in JavaScript and 0 stars on GitHub, but we could not determine the licence, and without one the code is not open source by default.