Code & Chain · Signal Desk

OpenSearch 3.8 Released with Enhanced MCP Support and LLM Integration

Original sourceOpenSearch

Summary

OpenSearch 3.8 brings up to 4x faster vector indexing, expands MCP support to all agent types, and adds a tool discovery API and connector-level tool description overrides. ML Commons streaming inference now supports gRPC, enabling low-latency, binary, and HTTP/2 streaming. LLM-as-a-Judge in Search…

Key points

  • Developers can leverage OpenSearch's new MCP and LLM features to enhance search and analysis workflows.
  • OpenSearch expands MCP support and LLM evaluation, making open-source search more AI-agent-friendly.
  • Enterprises can more flexibly connect OpenSearch to AI tools, improving search relevance and automated evaluation.

Editorial note

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