"Proton Mail" matching MCP servers:

Provides read-only access to structured Japanese railway data, enabling station searches without an API key and live Shinkansen timetable, fare, seat class, and stop queries with an Ekispert API key.

Enables address validation, geocoding, postcode lookup, and reverse geocoding in 240+ countries, including UK Royal Mail PAF data, through four tools for MCP-aware clients.

Enables keyless access to German and European rail and public transport data, including station search, live departures and arrivals, and multi-leg journey planning with real-time updates.

Provides address validation and geocoding for 240+ countries, including UK Royal Mail PAF and US/Canada census enrichment. Enables batch validation, forward/reverse geocoding, UK postcode expansion, and automatic refunds for failed lookups.

UK address (Royal Mail PAF), email, and phone (live HLR carrier) validation via the Postio API. Six tools: address search, postcode lookup, UDPRN, email validate, phone validate, and a health probe.

Enables access to Photon Advanced iMessage Find My features, including listing and fetching shared locations, sending visible location request cards, and controlling live location streams, with privacy-conscious handling and no persistence of locations.

A geocoding MCP server that converts place names to coordinates and coordinates to place names using OpenStreetMap data.