ChromeDevTools

Reviews Chrome DevTools frontend changes in path group ui-and-widgets (^front_end/(ui|panels)/.*\.(ts|css)$), strictly reflecting review standards, architectural invariants, and security boundaries derived from historical code reviews.

Migrates legacy imperative DOM construction to local declarative Lit-html templates rendered inside existing containers.

Promotes legacy views to modern UI.Widget classes, hooks up performUpdate() rendering, and exports default views.

Guidelines for building UI widgets using the MVP architecture in DevTools. Covers Widget lifecycle, lit-html views, and state management.

Reviews Chrome DevTools frontend changes in path group models-and-core (^front_end/(core|models|entrypoints|generated)/, BUILD\.gn$, \.gni$), strictly reflecting review standards, architectural invariants, and security boundaries derived from historical code…

Reviews Chrome DevTools frontend changes in target directories (\.test\.ts$, ^test/, ^front_end/testing/), strictly reflecting review standards, architectural invariants, and security boundaries derived from historical code reviews.

Generic checklist for reviewing DevTools CLs (your own before upload, or someone else's on Gerrit). Covers test correctness (tautological/vacuous tests, cleanup, leaks), code clarity, CL hygiene, and points to the specialized skills to consult for imports,…

Guidance on selecting the appropriate test suite (Unit, API, or E2E tests) when writing new tests in Chrome DevTools. MUST be used when writing new tests.

Uses Chrome DevTools MCP for accessibility (a11y) debugging and auditing based on web.dev guidelines. Use when testing semantic HTML, ARIA labels, focus states, keyboard navigation, tap targets, and color contrast.

Uses Chrome DevTools MCP for inspecting, debugging, and testing cookies, session state, authentication issues, and cookie consent compliance. Use when diagnosing 401/403 errors, authentication redirects, session expiration, Cookie/Set-Cookie header issues,…

Use this skill to write shell scripts or run shell commands to automate tasks in the browser or otherwise use Chrome DevTools via CLI.

Guides debugging and optimizing Largest Contentful Paint (LCP) using Chrome DevTools MCP tools. Use this skill whenever the user asks about LCP performance, slow page loads, Core Web Vitals optimization, or wants to understand why their page's main content…

Uses Chrome DevTools MCP and documentation to troubleshoot connection and target issues. Trigger this skill when list_pages, new_page, or navigate_page fail, or when the server initialization fails.

Uses Chrome DevTools via MCP for efficient debugging, troubleshooting and browser automation. Use when debugging web pages, automating browser interactions, analyzing performance, or inspecting network requests. This skill does not apply to `--slim` mode (MCP…

Diagnoses and resolves memory leaks in JavaScript/Node.js applications. Use when a user reports high memory usage, OOM errors, or wants to capture, compare, or inspect heap snapshots with Chrome DevTools MCP memory tools.