Hycompanion
PluginAI-powered NPCs server plugin for Hytale. LLM-driven companions that have real conversations, remember every player, and perform in-game actions. Manage spawning, behaviors and parameters. Soon Quest and Economy. No coding required.
AI NPC Mod for Hytale — Dynamic, LLM-Powered NPCs with Memory, Actions, and Mods Integration
HyCompanion is an AI NPC plugin for Hytale servers that adds fully interactive, LLM-powered NPCs with persistent memory, dynamic dialogue, and in-game actions. Designed for RPG servers, modded worlds, and immersive storytelling, it replaces scripted NPC dialogue with real AI conversations.
AI NPCs for Hytale Mods and RPG Servers
Add intelligent NPCs to your Hytale server using advanced language models such as GPT-4, Claude, or other OpenRouter models. These AI NPCs generate real-time, unscripted dialogue based on player input and world context.
No dialogue trees. No static scripts. Each NPC interaction is unique and player-driven.
Real-Time Natural AI Conversations
NPCs respond with contextual, dynamic dialogue using LLM technology. Conversations adapt to player behavior, prior events, and server state. Suitable for quest givers, companions, merchants, guards, and lore characters in modded Hytale worlds.
Persistent NPC Memory Per Player
Each NPC stores long-term memory for every player:
- Past conversations
- Choices and decisions
- Relationships
- Shared events
This enables continuity across sessions and long-form RPG storytelling on Hytale servers.
Custom NPC Personalities and Backstories
Configure each NPC with:
- Personality traits
- Lore and backstory
- Speaking style and tone
- Behavioral rules
Ensure consistent character behavior across all interactions. Ideal for RPG mods and narrative-driven servers.
AI NPC Actions and Gameplay Integration
AI NPCs are not limited to chat. Through LLM tool-calling and server hooks, NPCs can:
- Follow players
- Explore areas
- Gather items (such as berries)
- Trigger emotes and reactions
- Execute gameplay actions based on dialogue
Item giving and extended interactions are planned.
World-Aware NPC Dialogue
NPCs use live world context:
- Time of day
- Nearby players and NPCs
- Environment and blocks
- Server events
Dialogue changes dynamically based on in-game conditions, improving immersion for modded and RPG servers.
Developer MCP Server (Coming Soon)
Advanced mod developers can extend AI NPC behavior using a remote MCP (Model Context Protocol) server:
- Register custom tools
- Expose APIs to NPCs
- Let AI agents trigger server logic
- Build deep mod integrations
Built for automation and advanced Hytale mod ecosystems.
Web Dashboard for NPC Management
Manage AI NPCs through a web dashboard:
- View NPC conversations
- Adjust behavior and prompts
- Configure settings
- Monitor usage
No server restarts required.
Bring Your Own Model API Key
Supports OpenRouter API keys:
- Choose your own AI model
- Control usage costs
- Switch models anytime
Managed billing option available.
Fast Installation for Hytale Servers
Quick setup:
- Install the NPC plugin
- Connect to the cloud service
- Create AI NPCs in minutes
No coding required. Compatible with modded and RPG-focused Hytale servers.
Current Limitations
- No trading or merchant UI yet
- Chat bubbles in development
- NPC combat disabled for now
HyCompanion targets RPG storytelling, immersive Hytale worlds, and utility NPC mods. Active development continues.
Hosting Partner: VeryGames Hytale Server Hosting https://www.verygames.com/en/product/prd-1920-hytale-server-rental?af=hycompanion-curseforge
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