STS2MCP

by Gennadiyev · C# · ★ 419

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

Auto-generated from the repo's primary language — check the repo's own README for its exact install instructions.

Claude Desktop config

A starting point for your claude_desktop_config.json (auto-generated — the repo's README may specify a published package name or required env vars):

{
  "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, plus full menu and lobby control: profile switching, character select (SP and MP host/client) with optional seed, multiplayer host / Steam-friend join / FastMP localhost join, multiplayer load lobby for resuming…

Read full README on GitHub →