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io.github.mrfentmen/opensearch-mcp

Official registry Health

Search OpenSearch indices, manage documents, check health and stats.

Source code

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @mrfentmen/opensearch-mcp
Claude Code 
claude mcp add opensearch-mcp -e 'OPENSEARCH_URL=<OPENSEARCH_URL>' -e 'OPENSEARCH_API_KEY=<your opensearch_api_key>' -e 'OPENSEARCH_USERNAME=<OPENSEARCH_USERNAME>' -e 'OPENSEARCH_PASSWORD=<your opensearch_password>' -- npx -y @mrfentmen/opensearch-mcp@1.0.2
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "opensearch-mcp": {
            "command": "npx",
            "args": [
                "-y",
                "@mrfentmen/opensearch-mcp@1.0.2"
            ],
            "env": {
                "OPENSEARCH_URL": "<OPENSEARCH_URL>",
                "OPENSEARCH_API_KEY": "<your opensearch_api_key>",
                "OPENSEARCH_USERNAME": "<OPENSEARCH_USERNAME>",
                "OPENSEARCH_PASSWORD": "<your opensearch_password>"
            }
        }
    }
}

Environment variables

  • OPENSEARCH_URL OpenSearch server URL (default: http://localhost:9200)
  • OPENSEARCH_API_KEY secret OpenSearch API key for authentication
  • OPENSEARCH_USERNAME OpenSearch username for basic auth
  • OPENSEARCH_PASSWORD secret OpenSearch password for basic auth

Frequently asked questions

What is io.github.mrfentmen/opensearch-mcp?

Search OpenSearch indices, manage documents, check health and stats.

How do I install io.github.mrfentmen/opensearch-mcp?

It runs on your machine. In Claude Code: claude mcp add opensearch-mcp -e 'OPENSEARCH_URL=<OPENSEARCH_URL>' -e 'OPENSEARCH_API_KEY=<your opensearch_api_key>' -e 'OPENSEARCH_USERNAME=<OPENSEARCH_USERNAME>' -e 'OPENSEARCH_PASSWORD=<your opensearch_password>' -- npx -y @mrfentmen/opensearch-mcp@1.0.2. For other clients, paste the JSON configuration from this page into their MCP settings.

Does io.github.mrfentmen/opensearch-mcp need an API key?

Yes. It expects OPENSEARCH_API_KEY, OPENSEARCH_PASSWORD, which you set in its configuration.

Is io.github.mrfentmen/opensearch-mcp open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains io.github.mrfentmen/opensearch-mcp?

It is published by mrfentmen. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.