mailbox
About
Physical mail API for AI agents. Send letters, certified mail. Sandbox + live keys via MCP.
Use this server
Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.
TransportHTTP (remote server)
Claude Code
claude mcp add --transport http mailbox https://mailbox.bot/api/mcp
Cursor
If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.
VS Code
code --add-mcp '{"name":"mailbox","type":"http","url":"https://mailbox.bot/api/mcp"}'
JSON
{
"mcpServers": {
"mailbox": {
"url": "https://mailbox.bot/api/mcp"
}
}
}