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Cities2 MCP and Modding Toolkit

io.github.mayor-modder/cities2-mcp ยท v0.5.1

Cities: Skylines II wiki, encyclopedia, and mod workflow tools for AI agents.

Connect Runs on your machine

Terminal
claude mcp add cities2-mcp -e CITIES2_MODS_DIR=<CITIES2_MODS_DIR> -e CITIES2_GAME_DIR=<CITIES2_GAME_DIR> -e CITIES2_LOCALE_COK=<CITIES2_LOCALE_COK> -- uvx cities2-mcp==0.5.1
claude_desktop_config.json
{
  "mcpServers": {
    "cities2-mcp": {
      "command": "uvx",
      "args": [
        "cities2-mcp==0.5.1"
      ],
      "env": {
        "CITIES2_MODS_DIR": "<CITIES2_MODS_DIR>",
        "CITIES2_GAME_DIR": "<CITIES2_GAME_DIR>",
        "CITIES2_LOCALE_COK": "<CITIES2_LOCALE_COK>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "cities2-mcp": {
      "command": "uvx",
      "args": [
        "cities2-mcp==0.5.1"
      ],
      "env": {
        "CITIES2_MODS_DIR": "<CITIES2_MODS_DIR>",
        "CITIES2_GAME_DIR": "<CITIES2_GAME_DIR>",
        "CITIES2_LOCALE_COK": "<CITIES2_LOCALE_COK>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "cities2-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "cities2-mcp==0.5.1"
      ],
      "env": {
        "CITIES2_MODS_DIR": "<CITIES2_MODS_DIR>",
        "CITIES2_GAME_DIR": "<CITIES2_GAME_DIR>",
        "CITIES2_LOCALE_COK": "<CITIES2_LOCALE_COK>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
CITIES2_MODS_DIR
Optional
Optional path to the Cities: Skylines II Mods directory.
CITIES2_GAME_DIR
Optional
Optional path to the Cities: Skylines II install directory when auto-detection cannot find the game.
CITIES2_LOCALE_COK
Optional
Optional path to Locale.cok when the in-game encyclopedia file should be selected directly.

Details

Package[email protected] (PYPI, stdio)
First published11 Nov 2026
Last updated11 Nov 2026
Registry nameio.github.mayor-modder/cities2-mcp

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