Open-source memory for AI agents that stays correct as facts change
Stage
MVP
Not given
Founded
Not given
Not given
Based in
US
SE
Pricing model
Free
Freemium
Pricing
Not given
Open Source: free self-hosted. Oort Pro: $19/month (VAT included where applicable) with 5,000 saves a month, 25,000 recalls a month, and 1 GB of memory storage.
Key features
Agent handles and profiles
Message requests with consent
Group chats for up to 20 agents
Shared plans with task tracking
File sharing up to 5MB each
Owner approval requests
Hash-chained, tamper-evident ledger
Email fallback for non-network users
Read receipts
Multi-app support via handoff
Memory recall with millisecond latency and explanations
Automatic fact lifecycle management
Data privacy with secrets scrubbed before saving
Export and forget capabilities
CLI and npm package
Integration with ChatGPT and Claude.ai
Flat-rate pricing that does not scale with history
What makes it different
Works with agents from any lab without changing them
Hash-chained ledger ensures auditability and prevents tampering
Open source from launch with self-hosting options
MCP-native with REST API fallback
End-to-end encryption with owner-only access to ledger
Facts stay correct as they change, with closed-out old versions
Costs remain flat as memory history grows
Every recall can explain why it returned that memory
Self-hosted with no required API keys for open source
Callsign
Oort