MailSnail for Windsurf

io.github.iancollins27/mailsnail

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

client:Windsurf transport:streamable-http runtime:npm

Install MailSnail in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

{
  "mcpServers": {
    "mailsnail": {
      "serverUrl": "https://api.mailsnail.dev/mcp"
    }
  }
}

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs