Open Source: Migrating to the New Memory Algorithm

npm install mem0ai@latest

// Before
const config = {
  customPrompt: "Focus on user preferences",  // [REMOVED] Renamed
  enableGraph: true,                            // [REMOVED] Removed
  graphStore: {
    provider: "neo4j",
    config: { url: "...", username: "...", password: "..." }
  }
};

// After
const config = {
  customInstructions: "Focus on user preferences",  // [OK] New name
  // enableGraph and graphStore removed — graph store support has been removed
};

// Before — entity IDs as top-level options
const results = await m.search("what meetings did I attend?", {
  userId: "alice",
  limit: 20          // [REMOVED] Renamed to 'topK' for consistency
});

// After — entity IDs go inside `filters` (matches Platform API)
const results = await m.search("what meetings did I attend?", {
  filters: { userId: "alice" },   // [REMOVED top-level option, use filters]
  topK: 20                        // [OK] Renamed from 'limit'
});

from mem0 import MemoryClient
from mem0.client.types import SearchMemoryOptions

# Before
client = MemoryClient(api_key="...", org_id="org-1", project_id="proj-1")
results = client.search("query", user_id="alice", top_k=20, enable_graph=True)

# After
client = MemoryClient(api_key="...")  # org_id, project_id removed
results = client.search(
    "query",
    options=SearchMemoryOptions(
        filters={"user_id": "alice"},
        top_k=20
    )
)

// Before
const client = new MemoryClient({
  apiKey: "...",
  organizationId: "org-1",  // [REMOVED] Removed
  projectId: "proj-1"       // [REMOVED] Removed
});
const results = await client.search("query", {
  user_id: "alice",         // [REMOVED] snake_case
  top_k: 20,                // [REMOVED] snake_case
  enable_graph: true        // [REMOVED] Removed
});

// After
const client = new MemoryClient({ apiKey: "..." });
const results = await client.search("query", {
  filters: { userId: "alice" },
  topK: 20
});

from mem0.client.types import AddMemoryOptions

# Before
client.add(messages, user_id="alice", async_mode=True, output_format="v1.1")

# After — async_mode and output_format removed (async by default, v1.1 always)
client.add(
    messages,
    options=AddMemoryOptions(user_id="alice")
)
# Or using **kwargs
client.add(messages, user_id="alice")

// Before
await client.add(messages, {
  user_id: "alice",       // [REMOVED] snake_case
  async_mode: true,       // [REMOVED] Removed
  output_format: "v1.1",  // [REMOVED] Removed
  enable_graph: true      // [REMOVED] Removed
});

// After
await client.add(messages, {
  userId: "alice"         // [OK] camelCase
});