IBM i Insights
Practical ideas, modern techniques, and emerging trends.
Explore focused perspectives on IBM i modernization, platform capabilities, real-world engineering, and the technologies shaping its future.
Independent editorial content—separate from curriculum lessons and Deep Dive reference guides.
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IBM i MCP Server: The New Bridge Between AI Assistants and IBM i
A practical look at how IBM i MCP Server lets AI assistants call predefined, reviewed tools against Db2 for i and QSYS2 services — what it actually does, how the security model works, and a realistic path to adopting it safely.
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Modernizing RPG Applications with SQL and APIs
A practical, incremental path to modernizing RPG applications — embedded SQL for cleaner data access, reusable business-logic services, JSON generation and parsing, and REST APIs to expose or consume — without a risky, all-at-once rewrite.
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Db2 for i and QSYS2 Services Every Developer Should Know
A practical guide to the QSYS2 services and Db2 for i catalog views that turn jobs, job logs, objects, programs, IFS files, messages, journals, generated DDL, and index statistics into queryable, filterable, joinable SQL rows.
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Building REST APIs from IBM i Applications
A practical guide to exposing RPG and Db2 for i business logic as REST APIs using Integrated Web Services — resource design, RPG service boundaries, PCML, JSON contracts, errors, security, transactions, and production readiness.
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Practical AI-Assisted Development for RPG Programmers
A practical, balanced guide to using AI assistants for RPG work — understanding legacy code, generating and modernizing RPGLE and SQLRPGLE, reviewing embedded SQL, and building a safe context-to-verification workflow without surrendering engineering judgment.
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IBM i Application Monitoring and Production Troubleshooting
A practical, evidence-first guide to detecting production failures, finding the right job, and diagnosing application issues safely — comparing conventional commands like WRKACTJOB and WRKOBJLCK with SQL-based QSYS2 monitoring services.
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