Best OpenSearch MCP Servers
OpenSearch is a community-driven, open source search and analytics suite derived from Apache 2.0 licensed Elasticsearch 7.10.2 & Kibana 7.10.2.
Why this server?
Provides tools for searching indices, retrieving mappings, managing shards, and performing agentic memory operations on OpenSearch clusters.
AlicenseBqualityAmaintenanceMCP server for OpenSearch that enables AI assistants to interact with OpenSearch clusters through a standardized interface for search, index management, and cluster operations.9146Apache 2.0Why this server?
Provides documentation and code validation for XanoScript, including integration guidance for OpenSearch search operations.

Xano Developer MCPofficial
AlicenseAqualityCmaintenanceAn MCP server and standalone library that gives AI assistants superpowers for developing on Xano — complete with documentation, code validation, and workflow guides.72669MITWhy this server?
Enables working with Aiven for OpenSearch services, providing tools to interact with search and analytics capabilities.

Aiven MCP Serverofficial
AlicenseDqualityAmaintenanceA Model Context Protocol server that provides access to Aiven services (PostgreSQL, Kafka, ClickHouse, Valkey, OpenSearch), enabling LLMs to build full stack solutions by interacting with these services.324626Apache 2.0Why this server?
Enables full-text search across OPDS catalogs using OpenSearch descriptions.
Why this server?
Allows searching OpenSearch indices with Query DSL, listing indices, and inspecting index mappings.
AlicenseAqualityCmaintenanceA unified MCP server for multi-stand infrastructure testing, enabling REST API calls, PostgreSQL queries, and OpenSearch searches through a single config file.79MITWhy this server?
Provides a fully implemented driver for OpenSearch, a search engine, enabling query execution and schema exploration.
AlicenseBqualityCmaintenanceEnables AI agents to interact with over 50 SQL and NoSQL databases through MCP tools for querying, schema inspection, and table management.51MITWhy this server?
Provides integration with the KAKEN database (Japanese Grants-in-Aid for Scientific Research) via its OpenSearch API, enabling search and retrieval of research projects and researchers.
AlicenseAqualityAmaintenanceMCP server for querying the Japanese KAKEN database of scientific research grants, enabling search of projects and researchers via Claude.4MITWhy this server?
Provides tools to search, aggregate, count, list indices, retrieve index mappings, and check cluster health on an OpenSearch backend, enabling structured access to network traffic metadata stored in OpenSearch indices.
AlicenseAqualityAmaintenanceMCP server for Malcolm (Zeek/Suricata/Arkime/OpenSearch/NetBox): full read surface plus opt-in, audited write tools.513MITWhy this server?
Provides read-only tools for searching, aggregating, and exploring log data in OpenSearch clusters, including index discovery, mapping retrieval, field sampling, full-text search, count, terms and multi-terms aggregations, histogram, and numeric stats.
AlicenseAqualityAmaintenanceA read-only MCP server that enables AI assistants to search, aggregate, and explore OpenSearch log data through 12 tools for connectivity, index discovery, search, and aggregations.17MIT