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.
Send physical mail with Solana payments — AI agents can compose, price, and send letters and postcards via cryptocurrency.
Send SMS, query delivery reports, manage senders / blacklists, register and check İYS (Turkish messaging consent registry) records through the iletiMerkezi BTK-licensed SMS API. 11 tools, runtime-fetched manifest stays in lock-step with the live API. Install: npx -y @iletimerkezi/mcp-server.