Cognitive Infrastructure

AI forgets you.
PrefID remembers.

The preference identity layer that gives AI structured context—protected by a semantic firewall.

Works with

ChatGPTClaudeGeminiCursorAny MCP

prefid-mcp.ts

// User says: "I love AR Rahman"

prefid.store({

domain: "music_preferences",

artist: "AR Rahman",

});

Memory Protection

Domain boundaries
are enforced

The Semantic Firewall prevents memory corruption. Music preferences can't leak into your food profile. Ever.

Semantic Firewall™

Incoming:

"AR Rahman"

food_profile

music_preferences

Unified Identity

30+ preference domains organized into your cognitive infrastructure. Connected but protected.

Start Building

Build your cognitive infrastructure once. Let every AI app tap into who you are.

335+

Terms

Domains

∞

Free