MailSnail for Claude Code

io.github.iancollins27/mailsnail

Send USPS letters & certified mail from any agent. Hosted: sign in, no install.

client:Claude Code transport:streamable-http runtime:npm

Install MailSnail in Claude Code

run in your project directory

claude mcp add --transport http mailsnail https://api.mailsnail.dev/mcp

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs