Description
Demo video: https://hycompanion.dev/
Try on Demo Hytale server: api.hycompanion.dev:5520 (be gentle with the NPCs!)
Add NPCs that engage in natural, dynamic dialogue using advanced LLMs (GPT-4, Claude and any model of your choice) in your Hytale server. No scripted responses, every conversation is unique and context-aware.
🧠 Persistent Memory
Your NPCs remember each player. Past conversations, shared secrets, and relationship history are stored and recalled, creating truly personal interactions.
🎭 Unique Personalities
Define custom personalities, backstories, and speaking styles for each NPC. From grumpy merchants to wise sages, your companions feel alive.
⚡ In-Game Actions
NPCs don't just talk: they act. They follow the player, go looking for berries, express emotions, give items, cut wood, break blocks, can manage their inventory and containers like chests. LLM tool-calling bridges AI intelligence with real gameplay.
🌍 World-Aware Context
NPCs understand time of day, nearby players, nearby blocks, and nearby other NPC and game events. Conversations adapt to what's happening in your server right now.
🛠️ MCP Server for Developers (soon)
Build custom NPC behaviors with our remote MCP (Model Context Protocol) server. Register your own tools, access NPC resources via API, and let AI agents control your server programmatically. Perfect for advanced integrations and automation.
🎛️ Web Dashboard
Manage all your NPCs from a clean admin interface. Monitor conversations, configure settings, and track usage, no server restarts needed.
🔑 Bring Your Own Key
Use your own OpenRouter API key for full control over LLM costs. Or choose our managed option for hassle-free billing. Compatible with Player2.game API.
🚀 5-Minute Setup
Install the plugin, connect to cloud, and start creating companions. No coding, no complex configuration, works out of the box.
💬 Speech Bubble Plugins
Two additional plugins that add in-game speech bubbles are available for download.
- For players: https://www.curseforge.com/hytale/mods/player-speech-bubbles
- For NPCs: https://www.curseforge.com/hytale/mods/npc-speech-bubbles-hycompanion-extension-plugin
What the plugin can’t do yet:
- No trading or merchant interface.
- NPCs do not attack (for now).
The plugin is mainly intended for RPG storytelling and utility purposes. Still in development!
Link: