mcp-mat

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About

Headless Eclipse MAT MCP server for Java heap dump analysis

Use this server

Add it to your MCP client. The catalogue lists this config verbatim from its source — it does not run, download, or vouch for the server. Review the command before you run it.

Transportstdio (runs a local command)

Env varsMAT_HOME JAVA_PATH MAT_XMX_MB

Claude Code

claude mcp add --env MAT_HOME= --env JAVA_PATH= --env MAT_XMX_MB= mcp-mat -- npx mcp-mat

Cursor

Add to Cursor

If the button doesn't open Cursor, use the JSON below — Cursor accepts the same mcpServers config.

VS Code

code --add-mcp '{"name":"mcp-mat","command":"npx","args":["mcp-mat"],"env":{"MAT_HOME":"","JAVA_PATH":"","MAT_XMX_MB":""}}'

JSON

{
  "mcpServers": {
    "mcp-mat": {
      "command": "npx",
      "args": [
        "mcp-mat"
      ],
      "env": {
        "MAT_HOME": "",
        "JAVA_PATH": "",
        "MAT_XMX_MB": ""
      }
    }
  }
}

Environment variables are listed by name only — fill in your own values. Entries never carry secrets.