Gennadiyev

Gennadiyev / STS2MCP

Public

A Slay the Spire 2 mod that allows programmatic engagement with in-game battles with optional MCP support.

23
2
89% credibility
Found Mar 13, 2026 at 21 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
C#
AI Summary

A mod for Slay the Spire 2 that shares the game's current situation and possible moves with AI helpers over a local connection, supporting both solo and team play.

How It Works

1
🎮 Discover the mod

You hear about a fun addition for Slay the Spire 2 that lets a smart helper play the game for you.

2
📥 Add to your game

Copy the simple files into your game's special folder for extras.

3
🚀 Start playing

Open the game, agree to the new helper when asked, and it begins working quietly.

4
🔗 Link your smart friend

Connect a chatty AI like Claude so it can peek at the game and suggest moves.

5
👀 See the game world

The AI reads what's happening – your cards, enemies, map paths – and picks the best action.

6
⚔️ Watch smart plays

The AI plays cards, uses potions, chooses shops or rests, just like a pro player.

🏆 AI conquers the Spire

Your helper climbs the tower, wins battles, and feels like having a gaming genius on your team.

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AI-Generated Review

What is STS2MCP?

STS2MCP is a C# mod for Slay the Spire 2 that exposes full game state and actions via a localhost REST API, letting you query battles, maps, events, shops, and rewards in JSON or readable Markdown. It allows programmatic control over playing cards, using potions, choosing map nodes, claiming rewards, and more—perfect for automating slay spire 2 runs or integrating AI agents. An optional Python MCP server bridges to tools like Claude Desktop, turning the game into a controllable environment for singleplayer or co-op beta.

Why is it gaining traction?

Unlike basic slay the spire github mods, it covers every screen with precise actions like targeting enemies by ID or handling multiplayer votes for maps and events, plus keyword glossaries for powers and cards. Devs hook into it for quick state dumps during slay spire ascension testing or mod dev like basemod github slay the spire, without manual UI grinding. The MCP tools make it dead simple for LLMs to play full runs, standing out in the slay spire 2 release ecosystem.

Who should use this?

Slay the Spire 2 modders debugging interactions in github slay the spire mod projects, AI devs training bots on roguelike battles via slay spire tier list scenarios, or co-op players scripting decisions in slay spire downfall runs. It's for anyone tired of repetitive playtesting relics or events, especially with slay spire silent tier list optimization.

Verdict

Grab it if you're building bots or mods—solid API docs and broad coverage make it usable now, despite 15 stars and beta multiplayer. The 0.8999999761581421% credibility score flags early maturity, but MIT license and v0.98.3 testing lower the risk for niche slay spire 2 experiments.

(198 words)

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