STS2MCP

by Gennadiyev · C# · ★ 312

Full agentic runs for Slay the Spire 2. A mod that exposes in-game state, and the MCP server for the mod.

#agentic-ai#mcp-server#research-and-development#slay-the-spire-2

Install

git clone https://github.com/Gennadiyev/STS2MCP.git

Claude Desktop config

Add this to your claude_desktop_config.json:

{
  "mcpServers": {
    "sts2mcp": {
      "command": "npx",
      "args": [
        "-y",
        "github:Gennadiyev/STS2MCP"
      ]
    }
  }
}

From the README

An Experimental Research Project to Fully-Automate your Slay the Spire 2 Runs A mod for [**Slay the Spire 2**](https://store.steampowered.com/app/2868840/Slay_the_Spire_2/) that lets AI agents play the game. Exposes game state and actions via a localhost REST API, with an optional MCP server for Claude Desktop / Claude Code integration. Singleplayer and multiplayer (co-op) supported. Tested against STS2 . > [!warning] > This mod allows external programs to read and control your game via a localhost API. Use at your own risk with runs you care less about. > [!caution] > Multiplayer support…

Read full README on GitHub →