Collaborative platform to build immersive roleplay worlds with AI characters
Let your AI agent read and diagnose your car over an OBD-II adapter or virtual car
Stage
Startup
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Founded
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Based in
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Pricing model
Freemium
Open source
Pricing
Free: $0/month with unlimited characters and messages using free AI models. Plus: $10/month including everything in Free, unlimited public and private worlds, $10 model credits monthly, more detailed personas, more slots, and priority support.
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Key features
World editor with visual interface for characters, backstory, and locations
Characters know each other and develop memories
Auto-vector embedding for content retrieval in chat
Advanced prompt customization for system prompts and LLM parameters
GitHub-like collaboration with world forking and change proposals
Reads error codes and sensor data from vehicles via OBD-II
Works with Claude Code, Codex and any AI agent
Virtual cars with real diagnostic problems for testing
Fleet management for cranes, excavators, generators and trucks
Read-only by default with explicit user control
Lap timing and race ECU data collection for motorsport
Car-to-car messaging through Agent Intercom
What makes it different
Prevents AI hallucinations through interconnected world lore and character context
Complete control over prompt engineering and AI behavior customization
Private roleplay data not used for AI model training
Works with any AI agent that understands prompts
Supports both real vehicles and virtual simulation environments
Handles more than just cars: equipment, generators, and commercial fleets
Completely open source under MIT license
Built-in safety prevents access to critical systems like brakes and steering
OpenRP
car-use