How do I install Mainframe?

Mainframe is a local plugin. Install it using npm package: @notharshhaa/mainframe-mcp-server and add the generated configuration snippet to your AI app's MCP config file. Then restart your AI app.

What credentials does Mainframe need?

Mainframe requires the following credentials or environment variables: ZOSMF_HOST, ZOSMF_PORT, ZOSMF_USER, ZOSMF_PASSWORD, ZOSMF_TOKEN, ZOSMF_TOKEN_TYPE, ZOSMF_REJECT_UNAUTHORIZED, LOG_LEVEL. You can find setup instructions on the server detail page.

What AI apps work with Mainframe?

Mainframe uses the Model Context Protocol (MCP) and works with any MCP-compatible AI app, including Claude, ChatGPT / Codex, Gemini, Copilot, Cursor, and more.

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Mainframe MCP Server

by NotHarshhaa

Developer ToolsModerate6.5MCP RegistryLocal

Free

Server data from the Official MCP Registry

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

About

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

Security Report

6.5

Moderate6.5Moderate Risk

Valid MCP server (1 strong, 1 medium validity signals). 4 known CVEs in dependencies (0 critical, 3 high severity) Package registry verified. Imported from the Official MCP Registry.

8 files analyzed · 5 issues found

Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.

What You'll Need

Set these up before or after installing:

z/OSMF hostname or IP addressOptional

Environment variable: ZOSMF_HOST

z/OSMF HTTPS port (default 443)Optional

Environment variable: ZOSMF_PORT

z/OS user id (required with ZOSMF_PASSWORD unless ZOSMF_TOKEN is set)Optional

Environment variable: ZOSMF_USER

Password for basic auth (required with ZOSMF_USER unless ZOSMF_TOKEN is set)Required

Environment variable: ZOSMF_PASSWORD

Auth token (alternative to user/password)Required

Environment variable: ZOSMF_TOKEN

Token type when using ZOSMF_TOKEN (e.g. LTPA2)Optional

Environment variable: ZOSMF_TOKEN_TYPE

Verify TLS certificates (true in production)Optional

Environment variable: ZOSMF_REJECT_UNAUTHORIZED

Log level: info, debug, warn, error, etc.Optional

Environment variable: LOG_LEVEL

How to Install

Add this to your MCP configuration file:

{
  "mcpServers": {
    "io-github-notharshhaa-mainframe-mcp-server": {
      "env": {
        "LOG_LEVEL": "your-log-level-here",
        "ZOSMF_HOST": "your-zosmf-host-here",
        "ZOSMF_PORT": "your-zosmf-port-here",
        "ZOSMF_USER": "your-zosmf-user-here",
        "ZOSMF_TOKEN": "your-zosmf-token-here",
        "ZOSMF_PASSWORD": "your-zosmf-password-here",
        "ZOSMF_TOKEN_TYPE": "your-zosmf-token-type-here",
        "ZOSMF_REJECT_UNAUTHORIZED": "your-zosmf-reject-unauthorized-here"
      },
      "args": [
        "-y",
        "@notharshhaa/mainframe-mcp-server"
      ],
      "command": "npx"
    }
  }
}

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Mainframe MCP Server

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Security Report

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What You'll Need

How to Install

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