Graylog MCP Server: Install & Setup

Install Graylog in Claude Code

Claude Code

claude mcp add graylog -e GRAYLOG_BASE_URL_INSTANCE_1=... -e GRAYLOG_API_TOKEN_INSTANCE_1=... -- npx -y @jperelli/graylog-mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "graylog": {
      "command": "npx",
      "args": [
        "-y",
        "@jperelli/graylog-mcp"
      ],
      "env": {
        "GRAYLOG_BASE_URL_INSTANCE_1": "...",
        "GRAYLOG_API_TOKEN_INSTANCE_1": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Graylog MCP server do?

Query logs from Graylog: get streams, search messages, aggregate, and get full data.

Is the Graylog MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does Graylog run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Graylog to Claude Code?

Run: claude mcp add graylog -e GRAYLOG_BASE_URL_INSTANCE_1=... -e GRAYLOG_API_TOKEN_INSTANCE_1=... -- npx -y @jperelli/graylog-mcp

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