Amazon OpenSearch Service Now Supports Native MCP Endpoints for AI Agents

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Amazon OpenSearch Service has introduced native support for the Model Context Protocol (MCP), allowing AI agents to connect directly to search domains without custom connectors or middleware. MCP is a standard JSON-RPC interface that enables AI agents to discover and call tools on external systems using a single shared protocol. The update addresses the so-called M×N integration problem, where each of M agents connecting to N data sources previously required its own bespoke connector, ballooning maintenance overhead. With MCP, each agent and each data source needs only one integration, reducing the total to M+N connections. The endpoint, exposed at a standard path via the ML Commons plugin, supports tool discovery, index search, cluster health checks, and aggregations, with access controlled through IAM roles.

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