cheapdates-mcp
cheapdates
Günstigste Daten, um eine Route zu fliegen, direkt von Google Flights. CLI + MCP-Server.
Warum es das gibt: Der Preiskalender von Google (GetCalendarGraph) wird pro Anfrage von BotGuard signiert, daher liefert jeder reine HTTP-Client (fli dates, google-flights-mcp, …) seit Mitte 2026 leere Ergebnisse. cheapdates hat zwei Backends:
graph — steuert headless Chromium zur Routenseite, öffnet Price graph und liest den Kalender, den die Seite selbst erhält. Ein Aufruf ≈ 60 Abflugdaten, einfach oder hin- und zurück. ~3 s pro 60 Tage.
sweep — eine fast-flights Suche pro Datum, kein Browser. ~0,5 s pro Datum mit 4 Workern; verrät auch die Fluggesellschaft.
auto (Standard) verwendet graph, wenn Playwright + Chromium installiert sind, sonst sweep; wenn graph fehlschlägt, fällt es auf sweep zurück.
Installation
git clone https://github.com/afgoes/cheapdates.git && cd cheapdates && uv sync # see INSTALL.md
python -m playwright install chromium # for the graph backendRelated MCP server: fli
CLI
cheapdates JFK LHR 2026-10-01 2026-11-30 # one-way
cheapdates JFK LHR 2026-10-01 2026-11-30 -r 7 # round trip, 7 nights
cheapdates JFK LHR 2026-10-01 2026-11-30 --nonstop --json
cheapdates JFK LHR 2026-10-01 2026-11-30 -b sweep # force fast-flightsMCP (Claude Code)
claude mcp add cheapdates -- uv run --directory /path/to/cheapdates cheapdates-mcpTool: cheapest_dates_tool(origin, destination, start, end, trip_length?, currency?, nonstop?, seat?, backend?).
Python
import datetime as dt
from cheapdates import cheapest_dates
r = cheapest_dates("JFK", "LHR", dt.date(2026,10,1), dt.date(2026,11,30), trip_length=7)
print(r.cheapest)Einschränkungen
Reverse-engineered; Google kann die Seite oder Antwort jederzeit ändern. Der Parser ist mit Fixtures getestet (pytest), und das graph-Backend fällt bei Fehlern auf sweep zurück.
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