Google Chrome · 2026-11-10 · notable
Modern Web Guidance 1.0 — Chrome skills that modernize agent-written web code
In short
Modern Web Guidance 1.0 is an Apache-2.0 skill pack and offline CLI from the Chrome team. It gives coding agents current web guidance for 250 features, so they stop writing legacy JavaScript and CSS.
Google Chrome · 2026-11-10 · 3 sources checked
Chrome's skill pack teaches coding agents to use modern web features instead of 2019-era patterns.
Key specs
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What is it?
Modern Web Guidance is a set of skills from the Chrome team, built with Edge, Firefox and MDN, that gives coding agents up-to-date web platform guidance and browser compatibility data. Version 1.0.0 shipped on 10 November.
How does it work?
The skill makes the agent call a local CLI. It runs search, which matches the query to a guide with an offline embedding model and BM25 with no network calls, then retrieve to load code patterns, gotchas and fallbacks into context.
Why does it matter?
Agents often default to older solutions even when the browser has a native feature. A legacy-scan command also flags outdated patterns in an existing codebase.
Who is it for?
front-end developers using coding agents
Try it
npx modern-web-guidance@latest install