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AI Engineering Evolves: 'Loopcraft' Replaces Prompting

AI engineering is shifting from prompt-writing to designing autonomous loops that manage AI agents. This concept, termed 'loopcraft,' involves creating systems that iteratively prompt AI models, test their outputs, and refine their processes. Key figures like Peter Steinberger and Boris Cherny of Anthropic advocate for this approach, emphasizing the design of the prompting system over individual prompts. The development of supporting infrastructure and tools has made this shift practical, exemplified by Andrej Karpathy's 'autoresearch' project, which automates the entire research cycle using a methodology defined in natural language. AI

IMPACT This shift to 'loopcraft' suggests a future where AI engineers focus on system design and methodology, potentially increasing AI agent autonomy and efficiency.

RANK_REASON The article discusses a conceptual shift in AI engineering practices and tooling, rather than a specific product release or research breakthrough.

Read on dev.to — Claude Code tag →

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  1. dev.to — Claude Code tag TIER_1 English(EN) · Max Quimby ·

    Loopcraft: Stop Prompting, Start Designing Loops

    <p>On June 7, 2026, Peter Steinberger — the creator of OpenClaw — posted twelve words that ricocheted across every AI engineering corner of the internet: "You shouldn't be prompting coding agents anymore. You should be designing loops that prompt your agents."</p> <blockquote> <p…