This is a thorough ABAP reference covering everything from 7.40 SP08 through ABAP Cloud, with version-specific syntax tables that actually tell you what works where. You get constructor operators, table expressions, modern ABAP SQL with host variables, RTTI, RAP patterns, and CDS basics all in one skill. The quick reference sections are solid for daily work with internal tables, SELECT statements, and object-oriented patterns. If you're stuck supporting older NetWeaver systems, the compatibility notes will save you from syntax errors. It's GPL-3.0 licensed and pulls from official SAP documentation and community cheat sheets, so the patterns are legitimate.
npx skills add https://github.com/secondsky/sap-skills --skill sap-abap