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.
Full Gmail operations via Unipile API: send, reply, list, read, delete, search, manage labels, attachments, and drafts. Dry-run by default on destructive actions.
Send physical mail with Solana payments — AI agents can compose, price, and send letters and postcards via cryptocurrency.