LetsFG

Name: LetsFG
Author: LetsFG

Flight and hotel search with real bookings charged to a connected card, via LetsFG

Official · LetsFG TypeScript Remote (hosted) · Streamable HTTP Local · stdio Maps and travel

GitHub npm PyPI Website

55 popularity score ★ 2.2k ↓ 204/wk

Connect your client

Remote (hosted)

Add in one click

Add to Cursor Add to VS Code Add to LM Studio Add to Goose

Opens the app, which asks before it adds the server.

Or add it by command or config

Claude Codeterminal

claude mcp add --transport http letsfg https://letsfg.co/developers/api/mcp

Claude (desktop and web)Settings → Connectors → Add custom connector

https://letsfg.co/developers/api/mcp

ChatGPTSettings → Apps → Advanced → Developer mode, then Create app

https://letsfg.co/developers/api/mcp

Cursor.cursor/mcp.json in the project root

{
  "mcpServers": {
    "letsfg": { "url": "https://letsfg.co/developers/api/mcp" }
  }
}

windsurf~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "letsfg": { "serverUrl": "https://letsfg.co/developers/api/mcp" }
  }
}

Local (npm)

Add in one click

Add to Cursor Add to VS Code Add to LM Studio Add to Goose

Opens the app, which asks before it adds the server. Then replace each <NAME> in its settings with your value.

Or add it by command or config

It needs LETSFG_BEARER_TOKEN. Replace each <NAME> with your value.

Claude CodeTerminal

claude mcp add letsfg -e LETSFG_BEARER_TOKEN=<LETSFG_BEARER_TOKEN> -- npx -y letsfg-mcp

Claude Desktopclaude_desktop_config.json

{
  "mcpServers": {
    "letsfg": {
      "command": "npx",
      "args": [
        "-y",
        "letsfg-mcp"
      ],
      "env": {
        "LETSFG_BEARER_TOKEN": "<LETSFG_BEARER_TOKEN>"
      }
    }
  }
}

Cursor~/.cursor/mcp.json

{
  "mcpServers": {
    "letsfg": {
      "command": "npx",
      "args": [
        "-y",
        "letsfg-mcp"
      ],
      "env": {
        "LETSFG_BEARER_TOKEN": "<LETSFG_BEARER_TOKEN>"
      }
    }
  }
}

VS Code.vscode/mcp.json

{
  "servers": {
    "letsfg": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "letsfg-mcp"
      ],
      "env": {
        "LETSFG_BEARER_TOKEN": "<LETSFG_BEARER_TOKEN>"
      }
    }
  }
}

Codex~/.codex/config.toml

[mcp_servers.letsfg]
command = "npx"
args = ["-y", "letsfg-mcp"]

[mcp_servers.letsfg.env]
LETSFG_BEARER_TOKEN = "<LETSFG_BEARER_TOKEN>"

Gemini CLITerminal

gemini mcp add --scope user -e LETSFG_BEARER_TOKEN=<LETSFG_BEARER_TOKEN> letsfg npx -- -y letsfg-mcp

Settings 5

`LETSFG_BEARER_TOKEN`	Required: Card-backed token from the connect flow at letsfg.co/connect (or `letsfg auth`). LETSFG_API_KEY, a paid Developer API key, can be used instead.
`LETSFG_API_KEY`	Optional: Developer API key (letsfg_...); needed for resolve_location, get_agent_profile and connect_payment.
`LETSFG_USER_AGENT`	Optional: Overrides the User-Agent sent to letsfg.co, for anti-bot 403s from VPS hosts.
`LETSFG_WAIT_FOR_SPLIT`	Optional: Set to 0 to skip waiting up to 90 s for late split-ticket offers.
`LETSFG_BASE_URL`	Optional: API base address; https://letsfg.co by default.

What it does

LetsFG is a travel search and booking service. Its MCP server lets an assistant search flights across many airlines and booking sites, look up bookable hotel rates, and then actually book: a flight booking holds the fare on the user's card, a LetsFG booking agent buys the ticket, and the hold is captured only once an airline PNR exists. Hotel bookings work the same way, captured once the hotel confirms. Searching runs on LetsFG's own servers; the local package is a thin stdio client that forwards every call to letsfg.co over HTTPS.

There are two ways to use it. The hosted endpoint signs in with OAuth through a one-tap approval page at letsfg.co/connect, and a card is requested at the first booking (a zero-amount setup through Revolut). The npm package letsfg-mcp runs on your machine and needs that same card-backed token in LETSFG_BEARER_TOKEN, which the Python CLI's `letsfg auth` command can obtain, or a key for LetsFG's separate paid Developer API in LETSFG_API_KEY.

The npm build 2026.5.78 registers 14 tools, more than the README tables show: besides flight and hotel search and booking it has `answer_booking_question`, for when a booking agent pauses mid-checkout at a seat map, a priced extra or a moved fare and waits for the traveller's choice, plus `authenticate` and `load_resources` helpers. Flight search returns 10 offers by default (`max_results`), priced in EUR unless `currency` is set; hotel search returns up to 40 hotels in USD by default. Long-haul searches may also return split-ticket itineraries: two separate tickets with an unprotected self-transfer, flagged on the offer.

What it needs

To run it yourself	Node.js 18+

Node.js 18 or later for the npm package (npx). A LetsFG token from the connect flow at letsfg.co/connect in LETSFG_BEARER_TOKEN (obtainable with `letsfg auth` from the Python package letsfg, installed with pip), or a paid Developer API key in LETSFG_API_KEY. A card, Revolut Pay or Google Pay saved through the connect page before booking, and before any hotel call, including hotel search. The hosted endpoint needs only the OAuth approval.

Limits

With the bearer token, the stdio package's `resolve_location`, `get_agent_profile` and `connect_payment` return an error; they need a Developer API key, so pass IATA codes directly. `book_flight` takes one traveller per call and refuses more. A flight booking takes about 4 to 11 minutes to reach a PNR. Hotel search is free for 1,000 calls since the last hotel booking, then $5 per 1,000 from a prepaid balance. Hotel booking needs letsfg-mcp 2026.5.77 or later. `cancel_hotel_booking` refuses cancellations that cost money. From VPS addresses letsfg.co can return an anti-bot 403 (LETSFG_USER_AGENT overrides the User-Agent). Split-ticket offers have no protected connection.

Who it suits

Suits someone who wants an assistant to find and actually book flights or hotels and is fine with a card saved with LetsFG, because bookings place real holds and charges. The hosted endpoint is the easier choice for Claude, ChatGPT, Cursor or Windsurf: OAuth, nothing to install. The npm package is for clients without remote MCP support, and needs a token copied into its config. Not a fit for price lookups with no card at all: hotel calls refuse without a payment method. High-volume commercial integrations are pointed by its makers to the separate paid Developer API instead.

Tools 14

search_flights: Searches flights for a route and date and returns priced offers, including split-ticket ones.
resolve_location: Turns a city name into IATA codes; needs a Developer API key.
book_flight: Starts a real booking for one traveller, holding the fare on the connected card.
get_flight_booking: Checks a started flight booking until it completes with a PNR, fails, or needs attention.
answer_booking_question: Sends the traveller's choice when a paused booking waits on seats, extras or a changed fare.
resolve_hotel_city: Turns a place name into the supplier's city id for hotel search.
search_hotels: Searches bookable hotel rates in a city for given dates and guests.
book_hotel: Starts a hotel booking that holds the price and returns a job id.
get_hotel_booking: Fetches the outcome of a hotel booking job.
cancel_hotel_booking: Cancels this account's hotel booking when it costs nothing, refunding the guest.
authenticate: Returns the current instructions and link for connecting a card and getting a token.
connect_payment: Makes a link for saving a payment method on a Developer API account.
get_agent_profile: Shows a Developer API account's balance and usage.
load_resources: Returns LetsFG's workflow guide for clients without MCP resource support.

Popularity

55 popularity score, on our list (the bar is 36)

★ 2.2k ↓ 204/wk

GitHub stars, whole repository	2,246	18.5 points
Stars in 30 days	+125	10 points
npm downloads, last week	204	18.5 points
PyPI downloads, last month	244
Official server	Yes	8 points

It lives in the folder sdk/mcp of letsfg/letsfg, which holds more than this server. Its stars are the whole repository's, so in the score they never count for more than its own downloads.

Measured 2026-11-08. How the score works.

Where it is published

Code	letsfg/letsfg/sdk/mcp ★ 2.2k, the whole repository
npm	letsfg-mcp 2026.5.79, 2026-10-17, the one the command runs
PyPI	boostedtravel
Hosted	`https://letsfg.co/developers/api/mcp` Streamable HTTP · OAuth sign-in

What it can reach

Runs	On your machine, or on the maker's servers
Reaches	The internet, Money or payments, Your account at a service
Changes things	Yes: it can write, send, create or delete
Sign-in	OAuth sign-in for the hosted endpoint; an API key or token to run it yourself
Licence	MIT (npm)
Last code change	2026-10-17

The npm package runs on your machine but only forwards calls over HTTPS to letsfg.co, where all search and booking happen. It reads its token from the environment and opens no port. book_flight and book_hotel place real holds on the card saved with LetsFG (through Revolut) and are captured into charges once a PNR or hotel confirmation exists; cancel_hotel_booking cancels bookings. Booking sends passenger name, date of birth, nationality, email, phone and address to LetsFG, its booking agent and the seller. Hotel search past 1,000 calls since the last booking draws from a prepaid balance. The hosted endpoint uses OAuth approval at letsfg.co/connect.

Over time

GitHub stars, whole repository 2.2k +125 (+6 %)

2.2k2.1k

8 Oct 20268 Nov 2026

npm downloads a week 204 −477 (−70 %)

1.4k77

23 Mar 20268 Nov 2026

Before the site measured it, read from npm's daily download counts.

Popularity score 55 −6 (−10 %)

6140

8 Oct 20268 Nov 2026

What is rising across the directory

Sources

Page checked 2026-10-14.

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MarkdownREADME.md

[![LetsFG on EveryMCPServer](https://everymcpserver.com/badge/letsfg-flights-and-hotels.svg)](https://everymcpserver.com/servers/letsfg-flights-and-hotels)

Connect your client

Add in one click

Or add it by command or config

Add in one click

Or add it by command or config

Settings 5

What it does

What it needs

Limits

Who it suits

Tools 14

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