Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.
Universal MCP server for CalDAV protocol integration. Works with any CalDAV-compatible calendar server including Yandex Calendar, Google Calendar (via CalDAV), Nextcloud, ownCloud, Apple iCloud, and others. Supports creating events with recurrence, categories, priority, attendees, reminders, searching events, and retrieving events by UID.
Send physical mail with Solana payments — AI agents can compose, price, and send letters and postcards via cryptocurrency.