MailSnail for Claude.ai
io.github.iancollins27/mailsnail
Send USPS letters & certified mail from any agent. Hosted: sign in, no install.
client:Claude.ai
transport:streamable-http
runtime:npm
Install MailSnail in Claude.ai
Settings → Connectors → Add custom connector
https://api.mailsnail.dev/mcpClaude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs