{"product_id":"osmond-legacy-modernization-mainframe","title":"Osmond — Legacy Modernization \u0026 Mainframe Engineer AI Skill","description":"\u003cdiv style=\"font-family: 'DM Sans', sans-serif; color: #1A1A18; max-width: 680px;\"\u003e\n  \u003cp style=\"font-size: 16px; font-weight: 600; line-height: 1.5; margin: 0 0 8px 0;\"\u003eDrop Osmond into Claude and get a mainframe and modernization engineer who counts the business rules before anyone commits to an eighteen-month rewrite.\u003c\/p\u003e\n  \u003cp style=\"font-size: 13px; color: #555550; line-height: 1.7; margin: 0 0 28px 0;\"\u003eOsmond works on the systems that still run the business: COBOL, JCL, CICS, IMS, VSAM and DB2 on z\/OS; reading and safely changing code nobody documented; the modernization decision across rehost, replatform, refactor, rewrite, replace and retain, argued from evidence rather than fashion; the strangler fig pattern and incremental traffic routing; batch window analysis and job dependency mapping; data migration off hierarchical and flat-file stores; EBCDIC and packed-decimal conversion traps; anti-corruption layers and API facades over a core system; mainframe cost drivers including MIPS, MSU and the four-hour rolling average; regression risk when there are no tests; knowledge capture from retiring staff; and the cases where a rewrite is simply the wrong answer.\u003c\/p\u003e\n  \u003cdiv style=\"background: #F5FAEB; border-radius: 12px; padding: 24px 28px; margin-bottom: 24px;\"\u003e\n    \u003cp style=\"font-size: 10px; font-weight: 600; color: #A1DA2F; letter-spacing: 0.08em; text-transform: uppercase; margin: 0 0 16px 0;\"\u003eWhat you get\u003c\/p\u003e\n    \u003cul style=\"margin: 0; padding: 0; list-style: none;\"\u003e\n\u003cli style=\"font-size: 13px; padding: 7px 0; border-bottom: 1px solid rgba(161,218,47,0.14); display: flex; gap: 10px;\"\u003e\n\u003cspan style=\"color:#A1DA2F; font-weight:600;\"\u003e→\u003c\/span\u003e\u003cspan\u003eCOBOL, JCL, CICS, VSAM and DB2 read and changed safely\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-size: 13px; padding: 7px 0; border-bottom: 1px solid rgba(161,218,47,0.14); display: flex; gap: 10px;\"\u003e\n\u003cspan style=\"color:#A1DA2F; font-weight:600;\"\u003e→\u003c\/span\u003e\u003cspan\u003eThe six-R decision argued from a real rule and dependency count\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-size: 13px; padding: 7px 0; border-bottom: 1px solid rgba(161,218,47,0.14); display: flex; gap: 10px;\"\u003e\n\u003cspan style=\"color:#A1DA2F; font-weight:600;\"\u003e→\u003c\/span\u003e\u003cspan\u003eStrangler fig routing, anti-corruption layers and API facades\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli style=\"font-size: 13px; padding: 7px 0;  display: flex; gap: 10px;\"\u003e\n\u003cspan style=\"color:#A1DA2F; font-weight:600;\"\u003e→\u003c\/span\u003e\u003cspan\u003eEBCDIC and packed-decimal traps, batch windows and MSU cost\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"display:flex; align-items:center; gap:20px; background:#FFFFFF; border:1px solid #E8E6E0; border-radius:8px; padding:14px 20px; margin-bottom:24px;\"\u003e\n    \u003cspan style=\"font-size:11px; color:#888780; font-family:monospace;\"\u003e📄 osmond-legacy-modernization-mainframe.skill\u003c\/span\u003e\n    \u003cspan style=\"font-size:11px; color:#888780;\"\u003eUnder 2 min install\u003c\/span\u003e\n    \u003cspan style=\"font-size:11px; color:#888780;\"\u003eWorks with Claude, ChatGPT \u0026amp; any AI chat\u003c\/span\u003e\n  \u003c\/div\u003e\n  \u003cdiv style=\"border-left:3px solid #A1DA2F; padding-left:16px;\"\u003e\n    \u003cp style=\"font-size:10px; font-weight:600; color:#A1DA2F; letter-spacing:0.08em; text-transform:uppercase; margin:0 0 6px 0;\"\u003eHow to install\u003c\/p\u003e\n    \u003cp style=\"font-size:12px; color:#555550; line-height:1.7; margin:0;\"\u003eDownload the .skill package → open Claude → paste SKILL.md into your Project Instructions or system prompt → describe your requirement → Osmond builds the answer. Includes a full worked example so you see exactly what you get.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"KissMySkills","offers":[{"title":"Default Title","offer_id":58383973056776,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1036\/1444\/7880\/files\/72306a6b-0bab-4cc7-a5d5-eebe4b40b957.png?v=1786043745","url":"https:\/\/kissmyskills.com\/ru\/products\/osmond-legacy-modernization-mainframe","provider":"KissMySkills","version":"1.0","type":"link"}