Solmail

Solmail is a Model Context Protocol (MCP) server that lets AI agents, such as Claude or any agent compatible with MCP, send real physical letters and postcards to worldwide addresses and pay using Solana (SOL) cryptocurrency. It features integration with Lob.com for mail delivery, direct wallet control (non-custodial), support for live and test networks, and tools for quoting, sending, and tracking mail. Solmail is designed for developers building autonomous agents or applications that need to trigger real-world mailings from digital contexts securely and programmatically.