Mainframe

stdio

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

Getting Started

npx @getmcp/cli add io.github.NotHarshhaa/mainframe-mcp-server

Requires Node.js 18+. Community-contributed server. Review source before installing.

Claude Desktopguide →Vscodeguide →Cursorguide →Windsurfguide →

Required Environment Variables

ZOSMF_HOST
z/OSMF hostname or IP address

Configuration

Config file: ~/Library/Application Support/Claude/claude_desktop_config.json

JSON

{
  "mcpServers": {
    "io.github.NotHarshhaa/mainframe-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@notharshhaa/mainframe-mcp-server"
      ],
      "env": {
        "ZOSMF_HOST": "",
        "ZOSMF_PORT": "",
        "ZOSMF_USER": "",
        "ZOSMF_PASSWORD": "",
        "ZOSMF_TOKEN": "",
        "ZOSMF_TOKEN_TYPE": "",
        "ZOSMF_REJECT_UNAUTHORIZED": "",
        "LOG_LEVEL": ""
      }
    }
  }
}

Claude Desktop MCP documentation