Ibm Mainframe

Quality score: 70/100 · Category: Security · Sub-category: appsec-tools

type:integration

Provides comprehensive IBM Mainframe administration, development, and modernization guidance including z/OS operations, JCL scripting, COBOL/PL/I programming, CICS/IMS configuration, DB2 administration, TSO/ISPF usage, system programming, batch processing, and mainframe-to-cloud migration strategies. Covers mainframe security (RACF, ACF2), performance tuning, capacity planning, disaster recovery, and DevOps integration. Use when working with mainframe systems, z/OS, JES2/JES3, VTAM, USS, or when users mention "mainframe", "z/OS", "MVS", "TSO", "ISPF", "JCL", "CICS", "IMS", "DB2 mainframe", "VSAM", "RACF", "mainframe modernization", "legacy mainframe", or "IBM z Systems".

What this skill does

Ibm Mainframe is a production-ready Claude Code skill (quality score 70/100) in the appsec-tools sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/ibm-mainframe/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when working with mainframe systems, z/OS, JES2/JES3, VTAM, USS, or when users mention "mainframe", "z/OS", "MVS", "TSO", "ISPF", "JCL", "CICS", "IMS", "DB2 mainframe", "VSAM", "RACF", "mainframe modernization", "legacy mainframe", or "IBM z Systems".

Who uses this skill

The Ibm Mainframe skill is built for security engineers, penetration testers, DevSecOps practitioners, and development teams hardening codebases and infrastructure. It is part of the open ClaudSkills registry, a community-curated catalog of 15,000+ capabilities you can install for Claude Code — the Claude CLI agent.

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/ibm-mainframe
curl -L https://claudskills.com/skills/ibm-mainframe/SKILL.md \
  -o ~/.claude/skills/ibm-mainframe/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/ibm-mainframe/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/ibm-mainframe/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\ibm-mainframe\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

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Part of ClaudSkills — the open registry for Claude Code skills. · What's New · Install guide · About · llms.txt

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