Minecraft RCON MCP Server

@deemkeen

Repository

Basic information

About Minecraft RCON MCP Server

a tiny minecraft mcp server, using the rcon interface

#minecraft #mcp #rcon #spring-ai

Minecraft RCON MCP Server config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "minecraft-rcon-mcp": {
      "command": "/path/to/java",
      "args": [
        "-jar",
        "/path/to/jar"
      ],
      "env": {
        "RCON_HOST": "<minecraft server host>",
        "RCON_PORT": "<rcon port>",
        "RCON_PASSWORD": "<rcon password>"
      }
    }
  }
}

Minecraft RCON MCP Server tools

Tool list not available yet

This listing does not currently have a tool list to display. This does not mean the server has no tools; check its documentation for supported capabilities.

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Minecraft RCON MCP Server?

Minecraft RCON MCP Server is a Spring Boot application that bridges the Model Context Protocol (MCP) with a Minecraft server’s RCON interface. It allows AI models using Spring AI to send commands to a Minecraft server and receive responses.

How to use Minecraft RCON MCP Server?

Build the project with Maven and Java 21+. Configure required environment variables RCON_HOST, RCON_PORT, and RCON_PASSWORD. Then add the built JAR to an MCP Client. The server exposes a tool called sendCommand that accepts a Minecraft command and returns the server’s response.

Key features of Minecraft RCON MCP Server

Bridges MCP to a Minecraft server via the RCON protocol.
Provides a sendCommand tool for sending Minecraft commands.
Configuration via environment variables or a .env file.
Built with Spring Boot and Spring AI for MCP integration.
Requires a Minecraft server with RCON enabled.

Use cases of Minecraft RCON MCP Server

An AI model automating in-game actions (e.g., teleporting players, summoning entities).
Querying server status or player information programmatically.
Integrating AI‑driven game management into a broader workflow.

Frequently asked questions

What is RCON and why do I need it?

RCON (Remote Console) is a protocol that allows remote administration of a Minecraft server. You must enable RCON in your server’s `server.properties` and set a password.

What environment variables are required?

`RCON_HOST` (default `localhost`), `RCON_PORT` (default `25575`), and `RCON_PASSWORD` (no default, must be set).

What runtime is needed to run the server?

Java 21 or higher and Maven 3.6 or higher are required to build the project.

How do I send a command once the server is running?

After adding the MCP server to a compatible MCP Client, use the tool named `sendCommand` with a Minecraft command string as input.

Does the server store any data outside the Minecraft world?

No—the server only relays commands and responses; it does not persist any state beyond logging (configurable via `logging.file.name`).

Comments

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