Mainframe MCP Server: Install & Setup

Install Mainframe in Claude Code

Claude Code

claude mcp add mainframe -e ZOSMF_HOST=... -- npx -y @notharshhaa/mainframe-mcp-server

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

{
  "mcpServers": {
    "mainframe": {
      "command": "npx",
      "args": [
        "-y",
        "@notharshhaa/mainframe-mcp-server"
      ],
      "env": {
        "ZOSMF_HOST": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the Mainframe MCP server do?

MCP server for IBM z/OS jobs, datasets, USS, and operational diagnostics via Zowe SDK.

Is the Mainframe MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Mainframe run locally or remotely?

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

How do I add Mainframe to Claude Code?

Run: claude mcp add mainframe -e ZOSMF_HOST=... -- npx -y @notharshhaa/mainframe-mcp-server

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