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LetsFG — Flights & Hotels

Searches and books flights and hotels through MCP, with live prices, pay-later hotel rates, and agent booking.

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Install LetsFG — Flights & Hotels

Pick your client, then add it in one click or paste the config.

STDIONode.js
~/Library/Application Support/Claude/claude_desktop_config.json
claude_desktop_config.json
{
  "mcpServers": {
    "letsfg-flights-hotels": {
      "command": "npx",
      "args": [
        "-y",
        "letsfg-mcp"
      ]
    }
  }
}

Settings → Developer → Edit Config, merge this into mcpServers, then fully quit and reopen Claude Desktop.

Automated check passed— started and listed 14 tools correctly (9d ago).

Overview

LetsFG — Flights & Hotels MCP server gives AI agents access to live flight and hotel search and booking. It connects through a hosted MCP endpoint, while scripts can use the related PFS endpoints with a Bearer token. Reach for it when an agent needs to compare airline fares or hotel rates and can complete bookings through LetsFG. Flight search is free, while booking requires a payment method on file.

Use cases

  • Search flight prices across airlines
  • Compare hotel rates and cancellation terms
  • Book flights from an AI agent
  • Book hotels with pay-later rates
  • Call travel search from a script

Key features

  • Live flight search
  • Hotel search and booking
  • Flight booking with airline PNR
  • PFS Bearer-token endpoints
  • Free flight searches
  • Hosted MCP connection

Tools14

What LetsFG — Flights & Hotels lets your agent do. Expand a tool for its parameters.

Verified live~4.0k tokens of context

Security & health

What it can reach and how reliably it runs — from our own checks, not the maintainer’s claims.

ActiveLast checked Today

Recent health check succeeded.

16/16 checks healthy over the last 47d

What it can do

From the 14 tools this server returned when we ran it.

Runs commands · 1Handles credentials · 3Read-only tools · 13
Network at startup3 connections
Files written at startupNone
Install scriptsNone
npm provenanceNot published
Package age212 days
Maintainers2

Observed 2026-10-15 in an isolated sandbox. A description of reach, not a security audit.

Supply-chain signal

No high-severity advisories surfaced by our automated scan.

Critical 0High 0Medium 0Low 0

Scanned 2d ago via OSV.dev · letsfg-mcp (npm)

Adoption & maintenance

Factual signals from GitHub, npm, and our automated checks — not a rating.

GitHub stars2.2kStargazers on the source repository.
npm downloads1.3kPackage downloads in the last 30 days.
Last commit3d agoMost recent push to the default branch.
Availability100%Our rolling endpoint + install checks that succeeded.
Install checkPassedOur sandbox started it and listed its tools.
Tools exposed14Callable tools this server registers over MCP.
Directory activity1 installsConfig copies, upvotes, and views on AllMCPs.

How LetsFG — Flights & Hotels works

What LetsFG — Flights & Hotels does

LetsFG — Flights & Hotels provides AI agents with flight and hotel discovery plus booking capabilities. Flight searches compare offers across airlines, airline websites, and travel sellers, returning a total price for an itinerary. Hotel searches include live rates, including pay-later options and offers marked as refundable or non-refundable.

The service is intended for agents and scripts that need travel results without building separate integrations for individual airlines or hotel providers. Searching does not require an immediate charge. Booking is a real transaction: flight fares are held on the user's card, a LetsFG booking agent purchases the ticket, and the traveler receives the airline's PNR. Hotel charges are described as occurring after the property confirms the booking.

How it works

Agents connect to the hosted MCP endpoint at https://letsfg.co/developers/api/mcp. Approving the connection opens LetsFG's connection flow.

For direct programmatic access, the same token can be sent as a Bearer token to the PFS endpoints. The documented operations include POST /api/search and POST /api/agent-book. Search results generally begin arriving in 8–10 seconds. The token supports free searches and refreshes itself, but it is short-lived.

Setup and configuration

No local installation is required for the hosted MCP route. Add the MCP URL to a compatible agent client and approve the connection.

Scripts need a Bearer token obtained by putting a payment method on file. The README distinguishes this agent-facing route from a separate paid Developer API for high-volume commercial use. Most personal agents are directed to the MCP or PFS path instead.

Tools and capabilities

LetsFG — Flights & Hotels exposes these supported use cases:

  • Search live flight offers across many airlines and sellers.
  • Search hotel availability and rates.
  • Compare total prices for flight itineraries.
  • Book flights through an agent workflow and receive the airline PNR.
  • Book hotel offers, including free-cancellation and non-refundable rates where offered.
  • Call flight search and agent booking through the PFS HTTP endpoints.

Limitations and notes

It also does not establish that every airline or property is bookable in every market; it states that the engine searches broadly across airlines and hotel offers.

Booking requires a payment method on file, even though searching is free. High-volume commercial users may need the separate paid Developer API, whose pricing and limits are not included here.

Read the full README View source on GitHub

Reviews

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Frequently Asked Questions about LetsFG — Flights & Hotels

LetsFG — Flights & Hotels is an MCP server that connects AI agents to LetsFG's live flight and hotel search and booking service. Its main capabilities are searching airline and hotel offers, comparing prices, and booking flights or hotels. Flight bookings provide the airline's PNR, while searches are free.

You do not need a local installation for the hosted MCP route. Add https://letsfg.co/developers/api/mcp to your MCP client and approve the connection.

Use a Bearer token obtained by putting a payment method on file, then send it in the Authorization header to the PFS endpoints. The documented script operations are POST /api/search and POST /api/agent-book. The token supports free searches and refreshes itself.

Yes, Cursor is listed as an intended client for the MCP route. Add the hosted MCP endpoint, approve the connection, and use the agent to search or book flights and hotels.

No, flight searches are free. The card is used to hold the fare before the booking agent purchases the ticket.

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