Modern Web Guidance helps AI agents stop generating outdated web code

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Developers using AI coding assistants often receive outdated code that relies on legacy patterns and JavaScript workarounds, even when cleaner native solutions exist. A new approach called Modern Web Guidance addresses this by providing a curated set of expert-verified technical guides that AI agents can retrieve on demand during a workflow. Each guide ties recommendations to Baseline browser compatibility targets and includes fallback strategies, so generated code matches a project's actual browser support requirements. Rather than overloading the AI with a large prompt full of rules, the system uses semantic search to inject only the relevant guidance into the context when needed. The goal is to close the gap between what modern web standards offer today and what general-purpose AI models typically propose.

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