MailSnail for VS Code

io.github.iancollins27/mailsnail

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

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

Install MailSnail in VS Code

.vscode/mcp.json

{
  "servers": {
    "mailsnail": {
      "type": "http",
      "url": "https://api.mailsnail.dev/mcp"
    }
  }
}

Requires agent mode. MCP: Open User Configuration puts the same block in every workspace. VS Code docs