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Where does AI actually fit into the mainframe modernization journey? In this week’s episode of Mixture of Experts, host Tim Hwang is joined by experts Skyla Loomis, Maryam Ashoori and Kaoutar El Maghraoui. We dive into conversation around AI-powered mainframe modernization and AI builders. Next, 84% of the world has never used AI? A reality check on AI adoption and what needs to change. Finally, OpenClaw exposes some AI agent security gaps. We discuss "agent ops"—the framework for transparency, evaluation, optimization and policy enforcement that makes AI agents production-ready. All that and more on today’s Mixture of Experts. 

00:00 – Introduction 
1:06 – Mainframe modernization 
14:18 – AI adoption reality check 
29:40 – Security-by-design agentic AI 

The opinions expressed in this podcast are solely those of the participants and do not necessarily reflect the views of IBM or any other organization or entity. 

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#COBOL #MainframeModernization #AIagents

IBM Technology

IBM experts discuss mainframe modernization, arguing that COBOL replacement is a myth and that AI tools can help developers understand decades-old undocumented business logic rather than simply translating code. The conversation covers how LLMs combined with static analysis can incrementally modernize legacy systems, the massive infrastructure gap between current AI adoption and global potential, the case for hybrid small/large model architectures, and the security challenges of deploying AI agents in enterprise environments including accountability, identity, policy enforcement, and audit trails.

Mainframe modernization explained: COBOL and AI