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minecraft-mcp-server

by yuniko-software · yuniko-software/minecraft-mcp-server

Control a Minecraft bot with Claude — build structures, explore worlds, manage inventory, and interact in real-time via natural language.

minecraft-mcp-server uses the Mineflayer API to let AI assistants control a Minecraft character in real-time. Claude can navigate, build structures, manage inventory, interact with blocks and entities, smelt items, and communicate in chat. Supports Minecraft 1.21.11, connects via LAN to your singleplayer world, and works with Claude Desktop.

Why use it

Key features

Live Demo

What it looks like in practice

minecraft-mcp-server-2.replay ▶ ready
0/0

Install

Pick your client

~/Library/Application Support/Claude/claude_desktop_config.json  · Windows: %APPDATA%\Claude\claude_desktop_config.json
{
  "mcpServers": {
    "minecraft-mcp-server-2": {
      "command": "TODO",
      "args": [
        "See README: https://github.com/yuniko-software/minecraft-mcp-server"
      ]
    }
  }
}

Open Claude Desktop → Settings → Developer → Edit Config. Restart after saving.

~/.cursor/mcp.json · .cursor/mcp.json
{
  "mcpServers": {
    "minecraft-mcp-server-2": {
      "command": "TODO",
      "args": [
        "See README: https://github.com/yuniko-software/minecraft-mcp-server"
      ]
    }
  }
}

Cursor uses the same mcpServers schema as Claude Desktop. Project config wins over global.

VS Code → Cline → MCP Servers → Edit
{
  "mcpServers": {
    "minecraft-mcp-server-2": {
      "command": "TODO",
      "args": [
        "See README: https://github.com/yuniko-software/minecraft-mcp-server"
      ]
    }
  }
}

Click the MCP Servers icon in the Cline sidebar, then "Edit Configuration".

~/.codeium/windsurf/mcp_config.json
{
  "mcpServers": {
    "minecraft-mcp-server-2": {
      "command": "TODO",
      "args": [
        "See README: https://github.com/yuniko-software/minecraft-mcp-server"
      ]
    }
  }
}

Same shape as Claude Desktop. Restart Windsurf to pick up changes.

~/.continue/config.json
{
  "mcpServers": [
    {
      "name": "minecraft-mcp-server-2",
      "command": "TODO",
      "args": [
        "See README: https://github.com/yuniko-software/minecraft-mcp-server"
      ]
    }
  ]
}

Continue uses an array of server objects rather than a map.

~/.config/zed/settings.json
{
  "context_servers": {
    "minecraft-mcp-server-2": {
      "command": {
        "path": "TODO",
        "args": [
          "See README: https://github.com/yuniko-software/minecraft-mcp-server"
        ]
      }
    }
  }
}

Add to context_servers. Zed hot-reloads on save.

claude mcp add minecraft-mcp-server-2 -- TODO 'See README: https://github.com/yuniko-software/minecraft-mcp-server'

One-liner. Verify with claude mcp list. Remove with claude mcp remove.

Use Cases

Real-world ways to use minecraft-mcp-server

How to build a Minecraft structure with AI assistance

👤 Minecraft players who want AI help with building ⏱ ~15 min beginner

When to use: You want to build something complex in Minecraft without placing every block manually.

Prerequisites
  • Minecraft Java Edition 1.21.11 — Create a singleplayer world and Open to LAN
  • minecraft-mcp-server configured — Add to Claude Desktop config with host, port, and username
Flow
  1. Describe the build
    Build a 10x10 stone house with oak wood corners, glass windows on each wall, an oak door, and a flat stone roof. Start at my current position.✓ Copied
    → Bot begins placing blocks systematically, reporting progress
  2. Modify the build
    Add a second floor with the same layout and a staircase connecting them.✓ Copied
    → Second floor built with stairs

Outcome: A complete structure built in Minecraft via natural language instructions.

Pitfalls
  • Bot doesn't have required blocks in inventory — Ensure the bot has materials or switch to Creative mode for unlimited blocks

Send an AI bot to explore and gather resources in Minecraft

👤 Minecraft players who want automated resource gathering ⏱ ~20 min beginner

When to use: You need resources but don't want to grind for them.

Prerequisites
  • Minecraft world open to LAN with bot connected — Configure and launch
Flow
  1. Explore surroundings
    Look around and tell me what biome we're in. Find the nearest cave entrance.✓ Copied
    → Biome info and cave location
  2. Gather resources
    Go to the cave and mine all iron ore you can find. Come back and smelt it into iron ingots.✓ Copied
    → Mining progress updates and smelting confirmation

Outcome: Resources gathered and processed automatically.

Pitfalls
  • Bot gets stuck on complex terrain — Use fly-to for navigation over rough terrain

Combinations

Pair with other MCPs for X10 leverage

minecraft-mcp-server-2 + filesystem

Save build plans as files and load them for construction

Save this house blueprint to a file so we can build it again in another world.✓ Copied

Tools

What this MCP exposes

ToolInputsWhen to callCost
get-position none Get the bot's current position 0
move-to-position x: int, y: int, z: int Navigate to a specific position 0
place-block x: int, y: int, z: int, block_name: str Place a block at a position 0
dig-block x: int, y: int, z: int Mine/dig a block 0
list-inventory none List items in the bot's inventory 0
find-blocks block_name: str, range?: int Find nearby blocks of a type 0
send-chat message: str Send a message in game chat 0

Cost & Limits

What this costs to run

API quota
N/A — connects directly to Minecraft LAN
Tokens per call
100–500 tokens per action
Monetary
Free MCP server — requires Minecraft Java Edition ($26.95)
Tip
Give high-level instructions ('build a house') rather than individual block placements to reduce calls.

Security

Permissions, secrets, blast radius

Credential storage: N/A — connects to LAN game
Data egress: Connects to your local Minecraft LAN server only

Troubleshooting

Common errors and fixes

Bot can't connect to server

Ensure you opened the world to LAN (ESC → Open to LAN) and the port in your config matches the LAN port shown in chat.

Verify: Check the Minecraft chat for 'Local game hosted on port XXXXX'
Bot disconnected

The Minecraft server may have kicked the bot for inactivity or invalid actions. Restart Claude Desktop to reconnect.

Verify: Check Minecraft chat for kick messages
Can't place blocks — invalid position

The bot may be too far from the target position. Move closer first with move-to-position.

Verify: Check bot position relative to target

Alternatives

minecraft-mcp-server vs others

AlternativeWhen to use it insteadTradeoff
Roblox Studio MCPYou want AI-assisted game development in Roblox instead of MinecraftDifferent platform and audience

More

Resources

📖 Read the official README on GitHub

🐙 Browse open issues

🔍 Browse all 400+ MCP servers and Skills