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Memories search (POST /v4/search) provides minimal-latency search optimized for real-time interactions. This endpoint prioritizes speed over extensive control, making it perfect for chatbots, Q&A systems, and any application where users expect immediate responses.
import Supermemory from 'supermemory';

const client = new Supermemory({
  apiKey: process.env.SUPERMEMORY_API_KEY!
});

const results = await client.search.memories({
  q: "machine learning applications",
  limit: 5
});

console.log(results)
Sample Output:
{
  "results": [
    {
      "id": "mem_ml_apps_2024",
      "memory": "Machine learning applications span numerous industries including healthcare (diagnostic imaging, drug discovery), finance (fraud detection, algorithmic trading), autonomous vehicles (computer vision, path planning), and natural language processing (chatbots, translation services).",
      "similarity": 0.92,
      "title": "Machine Learning Industry Applications",
      "type": "text",
      "metadata": {
        "topic": "machine-learning",
        "industry": "technology",
        "created": "2024-01-10"
      }
    },
    {
      "id": "mem_ml_healthcare",
      "memory": "In healthcare, machine learning enables early disease detection through medical imaging analysis, personalized treatment recommendations, and drug discovery acceleration by predicting molecular behavior.",
      "similarity": 0.89,
      "title": "ML in Healthcare",
      "type": "text"
    }
  ],
  "total": 8,
  "timing": 87
}

Container Tag Filtering

Filter by user, project, or organization:
const results = await client.search.memories({
  q: "project updates",
  containerTag: "user_123",  // Note: singular, not plural
  limit: 10
});

Threshold Control

Control result quality with similarity threshold:
const results = await client.search.memories({
  q: "artificial intelligence research",
  threshold: 0.7,  // Higher = fewer, more similar results
  limit: 10
});

Reranking

Improve result quality with secondary ranking:
const results = await client.search.memories({
  q: "quantum computing breakthrough",
  rerank: true,  // Better relevance, slight latency increase
  limit: 5
});

Query Rewriting

Improve search accuracy with automatic query expansion:
const results = await client.search.memories({
  q: "How do neural networks learn?",
  rewriteQuery: true,  // +400ms latency but better results
  limit: 5
});
Include documents, related memories, and summaries:
const results = await client.search.memories({
  q: "machine learning trends",
  include: {
    documents: true,        // Include source documents
    relatedMemories: true,  // Include related memory entries
    summaries: true         // Include memory summaries
  },
  limit: 5
});

Metadata Filtering

Simple metadata filtering for Memories search:
const results = await client.search.memories({
  q: "research findings",
  filters: {
    AND: [
      { key: "category", value: "science", negate: false },
      { key: "status", value: "published", negate: false }
    ]
  },
  limit: 10
});

Chatbot Example

Optimal configuration for conversational AI:
// Optimized for chatbot responses
const results = await client.search.memories({
  q: userMessage,
  containerTag: userId,
  threshold: 0.6,     // Balanced relevance
  rerank: false,      // Skip for speed
  rewriteQuery: false, // Skip for speed
  limit: 3            // Few, relevant results
});

// Quick response for chat
const context = results.results
  .map(r => r.memory)
  .join('\n\n');

Complete Memories Search Example

Combining features for comprehensive results:
const results = await client.search.memories({
  q: "machine learning model performance",
  containerTag: "research_team",
  filters: {
    AND: [
      { key: "topic", value: "ai", negate: false }
    ]
  },
  threshold: 0.7,
  rerank: true,
  rewriteQuery: false, // Skip for speed
  include: {
    documents: true,
    relatedMemories: false,
    summaries: true
  },
  limit: 5
});

Hybrid Search Mode

Hybrid search mode allows you to search both memories and document chunks in a single request. When searchMode="hybrid", results contain objects with either a memory key (for memory results) or a chunk key (for chunk results).
const results = await client.search.memories({
  q: "machine learning best practices",
  searchMode: "hybrid",  // Search memories + chunks
  limit: 10
});

// Handle mixed results
results.results.forEach(result => {
  if ('memory' in result) {
    console.log('Memory:', result.memory);
  } else if ('chunk' in result) {
    console.log('Chunk:', result.chunk);
    console.log('From document:', result.documents?.[0]?.title);
  }
});

When to Use Hybrid Mode

Use hybrid mode when:
  • You want comprehensive search across both memories and documents
  • Memories might not exist for certain queries but document content is available
  • You need flexibility to get either memory or document chunk results
  • You want a single search endpoint that covers all content types
Use memories-only mode (searchMode="memories") when:
  • You only need user memories and preferences
  • You want faster, more focused results
  • You’re building a personalized chatbot that relies on user context

Handling Mixed Results

When using hybrid mode, you’ll receive mixed results. Here’s how to process them:
const results = await client.search.memories({
  q: "quantum computing applications",
  searchMode: "hybrid",
  limit: 10
});

// Separate memory and chunk results
const memoryResults = results.results.filter(r => 'memory' in r);
const chunkResults = results.results.filter(r => 'chunk' in r);

console.log(`Found ${memoryResults.length} memories and ${chunkResults.length} chunks`);

// Process memories
memoryResults.forEach(mem => {
  console.log('Memory:', mem.memory);
  console.log('Similarity:', mem.similarity);
});

// Process chunks
chunkResults.forEach(chunk => {
  console.log('Chunk:', chunk.chunk);
  console.log('Document:', chunk.documents?.[0]?.title);
  console.log('Similarity:', chunk.similarity);
});

Hybrid Search with All Features

Combining hybrid mode with other features:
const results = await client.search.memories({
  q: "research findings on AI",
  searchMode: "hybrid",
  containerTag: "research_team",
  threshold: 0.7,
  rerank: true,
  include: {
    documents: true,
    relatedMemories: true,
    summaries: true
  },
  limit: 10
});

// Results are automatically sorted by similarity
// Memory results have 'memory' field, chunk results have 'chunk' field
results.results.forEach(result => {
  if ('memory' in result) {
    // Memory result
    console.log('Memory:', result.memory);
    console.log('Context:', result.context);
  } else {
    // Chunk result
    console.log('Chunk:', result.chunk);
    console.log('Document:', result.documents?.[0]);
  }
});
Important: In hybrid mode, results are automatically merged and sorted by similarity score. Memory results and chunk results are deduplicated - if a chunk is already associated with a memory result, it won’t appear as a separate chunk result.

Common Use Cases

  • Chatbots: Basic search with container tag and low threshold
  • Q&A Systems: Add reranking for better relevance
  • Knowledge Retrieval: Include documents and summaries
  • Real-time Search: Skip rewriting and reranking for maximum speed
  • Hybrid Search: Use searchMode="hybrid" when you need comprehensive search across both memories and documents