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Postbot MCP Server

Name: Postbot
Author: cz.postbot

API key required

by @cz.postbot

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

To add Postbot to Claude, run the install command below or copy the ready-made config for Claude Code, Claude Desktop, Cursor and VS Code further down. Restart your client after adding it and its tools show up in your next conversation. It needs 9 environment variables, listed below.

Install

npx -y @postbotcz/mcp@0.1.0

Environment variables

POSTBOT_CP_USERSet in your MCP config

POSTBOT_CP_PASSWDSet in your MCP config

POSTBOT_TESTSet in your MCP config

POSTBOT_FROM_NAMESet in your MCP config

POSTBOT_FROM_COMPANYSet in your MCP config

POSTBOT_FROM_STREETSet in your MCP config

POSTBOT_FROM_HOUSESet in your MCP config

POSTBOT_FROM_CITYSet in your MCP config

POSTBOT_FROM_ZIPSet in your MCP config

Install with your client

Terminal

claude mcp add postbot --env POSTBOT_CP_USER=<YOUR_POSTBOT_CP_USER> --env POSTBOT_CP_PASSWD=<YOUR_POSTBOT_CP_PASSWD> --env POSTBOT_TEST=<YOUR_POSTBOT_TEST> --env POSTBOT_FROM_NAME=<YOUR_POSTBOT_FROM_NAME> --env POSTBOT_FROM_COMPANY=<YOUR_POSTBOT_FROM_COMPANY> --env POSTBOT_FROM_STREET=<YOUR_POSTBOT_FROM_STREET> --env POSTBOT_FROM_HOUSE=<YOUR_POSTBOT_FROM_HOUSE> --env POSTBOT_FROM_CITY=<YOUR_POSTBOT_FROM_CITY> --env POSTBOT_FROM_ZIP=<YOUR_POSTBOT_FROM_ZIP> -- npx -y @postbotcz/mcp@0.1.0

Run this in a terminal to add the server to Claude Code.

What this does

Postbot exposes a set of tools to Claude over the Model Context Protocol. After you add it to claude_desktop_config.json (snippet above) and restart Claude Desktop, those tools become callable inside any conversation.

Requirements

This server needs the following environment variables to be set before it can run:

POSTBOT_CP_USER
POSTBOT_CP_PASSWD
POSTBOT_TEST
POSTBOT_FROM_NAME
POSTBOT_FROM_COMPANY
POSTBOT_FROM_STREET
POSTBOT_FROM_HOUSE
POSTBOT_FROM_CITY
POSTBOT_FROM_ZIP

Set these via the env object in your MCP config (see claude_desktop_config.json snippet above).

Frequently asked questions

How do I install Postbot?

Run the Claude Code command in the install section to add Postbot to Claude Code, or copy the ready-made config for your client from the install section on this page. Restart your client afterwards and the tools appear in your next conversation.

Which clients work with Postbot?

This page carries setup and config for Claude Code, Claude Desktop, Cursor and VS Code. Any other MCP client that accepts a standard server config can connect to Postbot as well.

Does Postbot need an API key?

Yes. Before it can run, set these environment variables: POSTBOT_CP_USER, POSTBOT_CP_PASSWD, POSTBOT_TEST, POSTBOT_FROM_NAME, POSTBOT_FROM_COMPANY, POSTBOT_FROM_STREET, POSTBOT_FROM_HOUSE, POSTBOT_FROM_CITY, POSTBOT_FROM_ZIP. They go in the env block of your MCP config.

Imported from the Official MCP Registry. The details above come from the registry entry; the maker can claim this listing to correct them, add docs, and see its traffic.

Is this your MCP server?

Claim this listing to see its traffic, fix details yourself, and skip the review queue on future updates.

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