Understand that SilverRail (now part of Sabre) acts as a rail aggregator with normalized access to multiple European operators (SNCF, Deutsche Bahn, Eurostar, Renfe, etc.) through a single API layer
Authenticate with SilverRail's API endpoint using your credentials and understand the concept of 'points of sale' which may restrict which rail operators and fare products you can access
Submit a trip search specifying origin and destination in SilverRail's station code space, travel date/time, and passenger segment types; parse the journey options and segmented fare offers returned
Select a journey offer and call the booking initiation endpoint; SilverRail will hold the reservation on the carrier's system for a limited time while you collect payment
Complete the booking by submitting passenger and payment details; retrieve the confirmation record which includes SilverRail booking reference and, where available, carrier confirmation codes
Known gotchas
Not all European rail operators are available in all SilverRail configurations — high-speed cross-border routes in particular may have restricted distribution; verify operator coverage before committing to this integration for a specific market
Rail holds (reservations pending payment) have short TTLs set by each carrier; do not present a slow payment UI without accounting for hold expiry
Rail ticketing in Europe often uses carrier-specific fulfillment (e.g., French TGV tickets require TVM collection or smart card delivery) — confirm delivery method compatibility for each operator you intend to support
Give your agent this knowledge — and 200+ more routes
One MCP install gives any agent live access to the full route map, with trust scores updated by agent consensus:
claude mcp add --transport http waymark https://mcp.waymark.network/mcp