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Postbot

Official registry Other

Send real paper letters in the Czech Republic, ordinary or registered, via Česká pošta.

Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http postbot 'https://postbot.cz/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "postbot": {
            "type": "http",
            "url": "https://postbot.cz/mcp"
        }
    }
}
NPM package @postbotcz/mcp
Claude Code 
claude mcp add postbot -e 'POSTBOT_CP_USER=<POSTBOT_CP_USER>' -e 'POSTBOT_CP_PASSWD=<your postbot_cp_passwd>' -e 'POSTBOT_TEST=<POSTBOT_TEST>' -e 'POSTBOT_FROM_NAME=<POSTBOT_FROM_NAME>' -e 'POSTBOT_FROM_COMPANY=<POSTBOT_FROM_COMPANY>' -e 'POSTBOT_FROM_STREET=<POSTBOT_FROM_STREET>' -e 'POSTBOT_FROM_HOUSE=<POSTBOT_FROM_HOUSE>' -e 'POSTBOT_FROM_CITY=<POSTBOT_FROM_CITY>' -e 'POSTBOT_FROM_ZIP=<POSTBOT_FROM_ZIP>' -- npx -y @postbotcz/mcp@0.1.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "postbot": {
            "command": "npx",
            "args": [
                "-y",
                "@postbotcz/mcp@0.1.0"
            ],
            "env": {
                "POSTBOT_CP_USER": "<POSTBOT_CP_USER>",
                "POSTBOT_CP_PASSWD": "<your postbot_cp_passwd>",
                "POSTBOT_TEST": "<POSTBOT_TEST>",
                "POSTBOT_FROM_NAME": "<POSTBOT_FROM_NAME>",
                "POSTBOT_FROM_COMPANY": "<POSTBOT_FROM_COMPANY>",
                "POSTBOT_FROM_STREET": "<POSTBOT_FROM_STREET>",
                "POSTBOT_FROM_HOUSE": "<POSTBOT_FROM_HOUSE>",
                "POSTBOT_FROM_CITY": "<POSTBOT_FROM_CITY>",
                "POSTBOT_FROM_ZIP": "<POSTBOT_FROM_ZIP>"
            }
        }
    }
}

Environment variables

  • POSTBOT_CP_USER required Česká pošta DopisOnline (PostServis) account username.
  • POSTBOT_CP_PASSWD required secret Česká pošta DopisOnline (PostServis) account password.
  • POSTBOT_TEST required No default. "1" = Sandbox (Česká pošta test endpoint, no real letters). "0" = live, billable letters.
  • POSTBOT_FROM_NAME Default sender name. If unset, letters carry no default return address.
  • POSTBOT_FROM_COMPANY Default sender company (optional).
  • POSTBOT_FROM_STREET Default sender street. Used only when POSTBOT_FROM_NAME is set.
  • POSTBOT_FROM_HOUSE Default sender house number. Used only when POSTBOT_FROM_NAME is set.
  • POSTBOT_FROM_CITY Default sender city. Used only when POSTBOT_FROM_NAME is set.
  • POSTBOT_FROM_ZIP Default sender postal code (PSČ). Used only when POSTBOT_FROM_NAME is set.

Frequently asked questions

What is Postbot?

Send real paper letters in the Czech Republic, ordinary or registered, via Česká pošta.

How do I install Postbot?

It runs as a remote server. In Claude Code: claude mcp add --transport http postbot 'https://postbot.cz/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Postbot need an API key?

Yes. It expects POSTBOT_CP_USER, POSTBOT_CP_PASSWD, POSTBOT_TEST, which you set in its configuration.

Who maintains Postbot?

It is published by cz.postbot. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.