Collaborative platform to build immersive roleplay worlds with AI characters
AI that reads each person first, knows their normal, and remembers every pair
Stage
Startup
Not given
Founded
Not given
Not given
Based in
Not given
US
Pricing model
Freemium
Paid
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.
43¢ per Reading. First 3 Readings free. Prepaid balance, stops at zero.
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 individual email history and communication patterns
Analyzes what has built up between two people over time
Tracks changes against each person's normal baseline
Provides color-coded feedback: green, yellow, red across five dimensions
Predicts likely outcomes with recommended actions
Includes contextual external factors when provided
Sealed record system for privacy and historical continuity
MCP server with Apache 2.0 open source client code
llms.txt file for agent discovery and integration
OpenAPI file for tool integration
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
Reads each person individually first, through their own patterns, rather than generic scoring
Remembers relationship history and shows what changed between readings
Never returns scores, trait ratings or personality labels on named people
Simple one-request API integration with no library installation needed
Privacy-first: sealed records only ARVX can decrypt, keeps nothing about subjects
OpenRP
ARVX