STS2MCP — MCP Server by Gennadiyev

by Gennadiyev · MCP Server · ★ 405

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About STS2MCP

An Experimental Research Project to Fully-Automate your Slay the Spire 2 Runs A mod for 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 is in beta — expect bugs. Any multiplayer issues encountered with this mod installed are very likely caused by the mod, not the game. Please disable the mod and verify the issue persists before reporting bugs to the STS2 developers. For Players Install Grab the latest release and follow the instructions: Copy and to Launch the game and enable mods in settings (a consent dialog appears on first launch) The mod starts an HTTP server on automatically Connect to Claude Requires Python 3.11+ and uv. Clone or download the repository, then: Claude Code

agentic-aimcp-serverresearch-and-developmentslay-the-spire-2

Quick Facts

Stars405
Forks69
LanguageC#
CategoryMCP Server
LicenseMIT
Quality Score73.2424815071656/100
Open Issues23
Last Updated2026-06-16
Created2026-03-06
Platformsdotnet, mcp
Est. Tokens~18k

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Frequently Asked Questions

What is STS2MCP?

STS2MCP is Full agentic runs for Slay the Spire 2. A mod that exposes in-game state, and the MCP server for the mod.. It is categorized as a MCP Server with 405 GitHub stars.

What programming language is STS2MCP written in?

STS2MCP is primarily written in C#. It covers topics such as agentic-ai, mcp-server, research-and-development.

How do I install or use STS2MCP?

You can find installation instructions and usage details in the STS2MCP GitHub repository at github.com/Gennadiyev/STS2MCP. The project has 405 stars and 69 forks, indicating an active community.

What license does STS2MCP use?

STS2MCP is released under the MIT license, making it free to use and modify according to the license terms.

What are the best alternatives to STS2MCP?

The top alternatives to STS2MCP on Agent Skills Hub include paperbanana, mcp-memory-service, paperdebugger. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.

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