feat: add LetsFG travel search plugin

[Efistoffeles]

LetsFG

Search and book flights at real airline prices.

• 400+ airlines via GDS/NDC (Amadeus, Duffel, Sabre, Travelport)
• 73 local airline connectors (Ryanair, Wizz, EasyJet, Southwest, AirAsia, Norwegian, etc.)
• 300,000+ hotels via Amadeus GDS + Hotelbeds
• Ground transfers and 300,000+ activities
• No price bias, no demand-based inflation, no tracking
• Prices $20-50 cheaper than booking.com and OTAs

Links

• Homepage: https://github.com/LetsFG/LetsFG
• API: https://api.letsfg.co
• npm MCP server: https://www.npmjs.com/package/letsfg-mcp
• PyPI SDK: https://pypi.org/project/letsfg/

Plugin manifest

https://api.letsfg.co/.well-known/ai-plugin.json

OpenAPI spec

https://api.letsfg.co/openapi.json

Summary by Sourcery

New Features:

• Integrate LetsFG travel search and booking plugin via a new configuration file.

[sourcery-ai]

Reviewer's guide (collapsed on small PRs)

Reviewer's Guide

Adds a new LetsFG travel search plugin configuration file (letsfg.json) that integrates the LetsFG API/plugin manifest into the project as a tool/plugin definition for flight, hotel, and activity search and booking.

File-Level Changes

Change	Details	Files
Introduce LetsFG plugin configuration for travel search and booking.	Create a new letsfg.json configuration file for the LetsFG plugin Wire the plugin to the LetsFG AI plugin manifest and OpenAPI specification endpoints Define metadata and capabilities for searching and booking flights, hotels, and activities via LetsFG	src/letsfg.json

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[sourcery-ai]

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