MongoDB Launches AI Agent Memory and Cross-Region Private Search Tools

MongoDB released multiple AI tools on May 9, 2026, including the LangGraph.js Long-Term Memory Store for persistent agent memory and Automated Voyage AI Embeddings in MongoDB Vector Search (public preview). MongoDB 8.3 delivers up to 45% more reads and 35% more writes over version 8.0. Cross-region connectivity for AWS PrivateLink enables private database traffic between Atlas clusters across AWS regions without public internet exposure.

AI agent memory capabilities

• ▪Pablo Stern is Chief Product Officer, AI and Emerging Products at MongoDB.
• ▪The LangGraph.js Long-Term Memory Store is generally available as of May 9, 2026.
• ▪The LangGraph.js Long-Term Memory Store requires no additional database beyond MongoDB Atlas.
• ▪MongoDB AI Skill Badges are generally available as of May 9, 2026.
• ▪The LangGraph.js Long-Term Memory Store gives JavaScript and TypeScript developers persistent, cross-conversation agent memory powered by MongoDB Atlas.

Automated Voyage AI embeddings

• ▪Automated Voyage AI Embeddings in MongoDB Vector Search generates embeddings automatically as data is written or updated.
• ▪Feast Feature Store Integration with MongoDB is generally available as of May 9, 2026.
• ▪Automated Voyage AI Embeddings removes the manual infrastructure work that has historically stood between enterprises and accurate AI search.
• ▪Automated Voyage AI Embeddings in MongoDB Vector Search is in public preview as of May 9, 2026.

Vector search retrieval accuracy

• ▪MongoDB's Voyage AI embedding models rank #1 on the Retrieval Embedding Benchmark (RTEB).

MongoDB 8.3 performance improvements

• ▪MongoDB 8.3 delivers up to 45% more reads over MongoDB 8.0 without changing application code.
• ▪Ben Cefalo is Chief Product Officer, Core Products at MongoDB.
• ▪New Query Expressions for Data Transformation are generally available as of May 9, 2026.

Cross-region AWS PrivateLink connectivity

• ▪Cross-region connectivity for AWS PrivateLink is generally available as of May 9, 2026.

Enterprise AI production requirements

• ▪Approximately 75% of the Fortune 100 rely on MongoDB for their most important applications.
• ▪CJ Desai is President and Chief Executive Officer of MongoDB.
• ▪MongoDB filed its Annual Report on Form 10-K for the fiscal year ended January 31, 2026 with the SEC on March 11, 2026.
• ▪More than 65,200 customers across industries rely on MongoDB.
• ▪MongoDB runs across Amazon Web Services (AWS), Google Cloud, Microsoft Azure, on-premises, and in hybrid environments.
• ▪MongoDB announced new capabilities at MongoDB local London 2026 on May 9, 2026.

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