Integrations › Letta
MemGPT's memory, independently verified.
Get API Key →Letta (MemGPT) has the most interesting memory architecture — agents manage their own memory. But it's a full agent platform, tightly coupled. There's no independent verification of what agents remember.
npm install @verifiedstate/letta
@verifiedstate/sdk with Letta-specific source tagging. Native Letta features coming.// Use VerifiedState as external verification layer
// Letta agents manage memory → VS verifies it{
"receipt_id": "rct_7f3a...",
"assertion": "User prefers dark mode",
"status": "verified",
"confidence": 0.94,
"signature": "ed25519:a8c3f1...",
"verified_at": "2026-04-06T14:32:01Z",
"chain_position": 42
}| Feature | Without | With VerifiedState |
|---|---|---|
| Memory verification | Self-managed only | Independent verification |
| Cross-platform | Letta-only | Framework-agnostic receipts |
No. It adds an independent verification layer. Letta manages memory, VS verifies it.
Free: 50,000 assertions/month. No credit card. No trial expiration.