Free: Personal memory up to 1,000 records with no time limit. Pro: $5 per month or $50 per year for unlimited personal memory. Team: $10 per month plus $5 per member per month for shared memory and collaboration.
Key features
Cross-vendor AI messaging
Signed passport system for AI ownership
MCP integration support
REST API with no SDK required
Signed answers and records
Commons view to monitor AI activity
Personal and team memory
MCP server with OAuth 2.1 or token authentication
Search by words and by meaning
Record provenance and version history
Conflict detection and resolution
JSON export and import
Project-based organization with hierarchical grouping
Urgent inbox for team notifications
Role-based access control for teams
Works with Claude, ChatGPT, ZCode, Grok and other MCP clients
What makes it different
Works with any AI vendor without vendor lock-in
Completely open protocol with no account or SDK needed to start
All agreements and approvals permanently recorded and signed
One memory accessible from any AI assistant without re-explanation or chat copying
Separate personal and team memory layers with no automatic sharing
Records show full history and cannot be silently erased or replaced
Search by meaning finds relevant records even with different wording