API Reference - MemWal

`MemWal.create(config)`

MemWal.create(config: MemWalConfig): MemWal

Config:

Property	Type	Required	Default	Notes
`key`	`string`	Yes	—	Ed25519 delegate private key in hex
`accountId`	`string`	Yes	—	MemWalAccount object ID on Sui
`serverUrl`	`string`	No	`http://localhost:8000`	Relayer URL
`namespace`	`string`	No	`"default"`	Default namespace for memory isolation

For the full config surface, see Configuration.

`MemWal` Methods

`remember(text, namespace?): Promise<RememberResult>`

Store one memory through the relayer. The relayer handles embedding, SEAL encryption, Walrus upload, and vector indexing. Returns:

{
  id: string;        // UUID for this entry
  blob_id: string;   // Walrus blob ID
  owner: string;     // Owner Sui address
  namespace: string; // Namespace used
}

`recall(query, limit?, namespace?): Promise<RecallResult>`

Search for memories matching a natural language query, scoped to owner + namespace.

limit defaults to 10

Returns:

{
  results: Array<{
    blob_id: string;   // Walrus blob ID
    text: string;      // Decrypted plaintext
    distance: number;  // Cosine distance (lower = more similar)
  }>;
  total: number;
}

`analyze(text, namespace?): Promise<AnalyzeResult>`

Extract memorable facts from text using an LLM, then store each fact as a separate memory. Returns:

{
  facts: Array<{
    text: string;     // Extracted fact
    id: string;       // UUID
    blob_id: string;  // Walrus blob ID
  }>;
  total: number;
  owner: string;
}

`restore(namespace, limit?): Promise<RestoreResult>`

Rebuild missing indexed entries for one namespace from Walrus. Incremental — only re-indexes blobs that aren’t already in the local database.

limit defaults to 50

Returns:

{
  restored: number;   // Entries newly indexed
  skipped: number;    // Entries already in DB
  total: number;      // Total blobs found on-chain
  namespace: string;
  owner: string;
}

`health(): Promise<HealthResult>`

Check relayer health. Does not require authentication. Returns: { status: string, version: string }

`getPublicKeyHex(): Promise<string>`

Return the hex-encoded public key for the current delegate key.

Lower-level methods

These exist on the MemWal class for advanced use cases:

Method	Description
`rememberManual({ blobId, vector, namespace? })`	Register a pre-uploaded blob ID with a pre-computed vector
`recallManual({ vector, limit?, namespace? })`	Search with a pre-computed query vector (returns blob IDs, no decryption)
`embed(text)`	Generate an embedding vector for text (no storage)

`MemWalManual`

import { MemWalManual } from "@mysten-incubation/memwal/manual";

See MemWalManual usage for the full setup and flow details.

`rememberManual(text, namespace?): Promise<RememberManualResult>`

Embed locally, SEAL encrypt locally, send encrypted payload + vector to relayer for Walrus upload and vector registration.

`recallManual(query, limit?, namespace?): Promise<RecallManualResult>`

Embed locally, search via relayer, download from Walrus, SEAL decrypt locally. Returns decrypted text results.

`restore(namespace, limit?): Promise<RestoreResult>`

Same as MemWal.restore() — delegates to the relayer.

`isWalletMode: boolean`

Whether this client uses a connected wallet signer (vs. raw keypair).

Config notes

suiNetwork defaults to mainnet
sealKeyServers lets the client override the built-in SEAL key server object IDs
All @mysten/* peer dependencies are loaded dynamically — only needed if you use MemWalManual

`withMemWal`

import { withMemWal } from "@mysten-incubation/memwal/ai";

Wraps a Vercel AI SDK model with automatic memory recall and save. Before generation:

Reads the last user message
Runs recall() against MemWal
Filters by minimum relevance (minRelevance, default 0.3)
Injects matching memories into the prompt as a system message

After generation:

Optionally runs analyze() on the user message (fire-and-forget)
Saves extracted facts asynchronously

Options (extends MemWalConfig):

Option	Default	Description
`maxMemories`	`5`	Max memories to inject per request
`autoSave`	`true`	Auto-save new facts from conversation
`minRelevance`	`0.3`	Minimum similarity score (0–1) to include a memory
`debug`	`false`	Enable debug logging

See Configuration for all options.

Account Management

import {
  createAccount,
  addDelegateKey,
  removeDelegateKey,
  generateDelegateKey,
} from "@mysten-incubation/memwal/account";

Function	Description
`generateDelegateKey()`	Generate a new Ed25519 keypair (returns `privateKey`, `publicKey`, `suiAddress`)
`createAccount(opts)`	Create a new MemWalAccount on-chain (one per Sui address)
`addDelegateKey(opts)`	Add a delegate key to an account (owner only)
`removeDelegateKey(opts)`	Remove a delegate key from an account (owner only)

Utility Functions

import { delegateKeyToSuiAddress, delegateKeyToPublicKey } from "@mysten-incubation/memwal";

Function	Description
`delegateKeyToSuiAddress(privateKeyHex)`	Derive the Sui address from a delegate private key
`delegateKeyToPublicKey(privateKeyHex)`	Get the 32-byte public key from a delegate private key

SDK

​MemWal.create(config)

​MemWal Methods

​remember(text, namespace?): Promise<RememberResult>

​recall(query, limit?, namespace?): Promise<RecallResult>

​analyze(text, namespace?): Promise<AnalyzeResult>

​restore(namespace, limit?): Promise<RestoreResult>

​health(): Promise<HealthResult>

​getPublicKeyHex(): Promise<string>

​Lower-level methods

​MemWalManual

​rememberManual(text, namespace?): Promise<RememberManualResult>

​recallManual(query, limit?, namespace?): Promise<RecallManualResult>

​restore(namespace, limit?): Promise<RestoreResult>

​isWalletMode: boolean

​Config notes

​withMemWal

​Account Management

​Utility Functions

`MemWal.create(config)`

`MemWal` Methods

`remember(text, namespace?): Promise<RememberResult>`

`recall(query, limit?, namespace?): Promise<RecallResult>`

`analyze(text, namespace?): Promise<AnalyzeResult>`

`restore(namespace, limit?): Promise<RestoreResult>`

`health(): Promise<HealthResult>`

`getPublicKeyHex(): Promise<string>`

Lower-level methods

`MemWalManual`

`rememberManual(text, namespace?): Promise<RememberManualResult>`

`recallManual(query, limit?, namespace?): Promise<RecallManualResult>`

`restore(namespace, limit?): Promise<RestoreResult>`

`isWalletMode: boolean`

Config notes

`withMemWal`

Account Management

Utility Functions