MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.

LetsFG

Agent-native flight search. 102 airline connectors fire in parallel — Ryanair, EasyJet, Wizz Air, Southwest, AirAsia, Qantas, and 96 more — plus enterprise GDS/NDC providers (Amadeus, Duffel, Sabre, Travelport) through the LetsFG backend. One tool call scans the entire world for flights, including airlines your agent didn't know existed. Your agent doesn't need to build a flight integration. It doesn't need to scrape. Just add this MCP server and it can search and book flights in seconds. ### Why? Flight websites inflate prices with demand tracking, cookie-based pricing, and surge markup. The same flight is often **$20–$50 cheaper** through LetsFG — raw airline price, zero markup. ### How it works `search_flights` fires all relevant connectors in parallel on your machine + queries enterprise GDS sources in the cloud. Results come back merged, deduplicated, sorted by price. ~5 seconds for a full global search. ### Tools | Tool | What it does | Cost | |------|-------------|------| | `search_flights` | Search 400+ airlines | Free | | `search_hotels` | Search hotels worldwide | Free | | `resolve_location` | City/airport → IATA code | Free | | `get_agent_profile` | Your usage & profile | Free | | `unlock_flight_offer` | Confirm live price, reserve 30 min | Free | | `setup_payment` | Attach Stripe payment | Free | | `book_flight` | Book with real PNR + e-ticket | Ticket price only | **Search is free forever. Booking charges the raw airline ticket price via Stripe — we add zero margin.** `LETSFG_API_KEY` is optional. Without it, the server runs all 102 local connectors. With it, you also get 400+ airlines via enterprise GDS/NDC sources. ### Pricing - **Personal use** — completely free. Search, unlock, book. No limits. - **Commercial use** — 1% fee (min $1 USD) per booking, collected via Stripe Connect. Search and unlock are still free. - **First 1,000 GitHub stars** — star the repo and link your GitHub username to get free unlimited access (personal & commercial). No trial, no catch. ### Links - **GitHub:** [github.com/LetsFG/LetsFG](https://github.com/LetsFG/LetsFG) — full docs, 102 connector source code, architecture guide, agent integration tutorials - **API Docs:** [api.letsfg.co/docs](https://api.letsfg.co/docs) - **PyPI:** [pypi.org/project/letsfg](https://pypi.org/project/letsfg/) - **npm:** [npmjs.com/package/letsfg-mcp](https://www.npmjs.com/package/letsfg-mcp)

54/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance14/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
478.9ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 401 in 447ms
ConformanceNot tested
MCP initialize handshake + tools/list
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 478ms, task completion: 0%
Recent Probe Results
TimestampStatusLatencyConformance
Apr 5, 2026success447.1msPass
Apr 5, 2026success236.8msPass
Apr 5, 2026success392.8msPass
Apr 5, 2026success194.3msPass
Apr 5, 2026success214.1msPass
Apr 5, 2026success181.9msPass
Apr 5, 2026success501.5msPass
Apr 5, 2026success188.9msPass
Apr 5, 2026success203.4msPass
Apr 5, 2026success181.4msPass
Source Registries
smithery
First Seen
Apr 4, 2026
Last Seen
Apr 4, 2026
Last Probed
Apr 5, 2026
LetsFG — Chiark Agent Quality Index