Skill Claude CodeCodex
Launch Code OSS (VS Code from sources) into an isolated throwaway profile with unique debug ports so you can drive it with @playwright/cli AND attach a Node debugger via dap-cli in the same session. Use when working on VS Code itself and you want to interact with the running workbench, automate chat or UI flows, test…
Agent
Answer telemetry questions with data queries using Kusto Query Language (KQL).
Agent
Agent for demonstrating VS Code features.
Instructions file GitHub Copilot
Instructions for microsoft/vscode, covering vs code copilot instructions, project overview, root folders, core architecture (src/ folder) and built-in extensions (extensions/ folder).
Instructions file GitHub Copilot
Use when implementing accessibility features, ARIA labels, screen reader support, accessible help dialogs, or keybinding scoping for accessibility. Covers AccessibleContentProvider, CONTEXTACCESSIBILITYMODEENABLED, verbosity settings, and announcement patterns.
Instructions file GitHub Copilot
Architecture documentation for VS Code AI Customization view. Use when working in src/vs/workbench/contrib/chat/browser/aiCustomization.
Instructions file GitHub Copilot
Architecture documentation for VS Code AI Customization view. Use when working in src/vs/workbench/contrib/chat/browser/aiCustomization.
Instructions file GitHub Copilot
VS Code best practices — reusing common UI primitives and patterns. Reference when writing or reviewing code.
Instructions file GitHub Copilot
Working notes and architecture documentation for the new esbuild-based build system in build/next. Use when making changes to the new build pipeline (transpile/bundle commands, NLS plugin, source-map handling, resource copying, or self-hosting watch tasks).
Instructions file GitHub Copilot
Chat feature area coding guidelines.
Instructions file GitHub Copilot
VS Code coding guidelines — naming, style, types, strings, and code quality rules. Reference when writing or reviewing code.
Instructions file GitHub Copilot
Guidelines for creating git commits — respecting signing configuration, verification hooks, and referencing GitHub issues.
Instructions file GitHub Copilot
CSS best practices for selector performance and maintainable state styling. Use when writing or reviewing CSS.
Instructions file GitHub Copilot
VS Code design philosophy — the shared Values→Principles→Moves vocabulary for reasoning about UI in design terms rather than raw pixels. Use when creating, editing, or reviewing any visual surface (CSS, DOM, theming, icons, motion). Name the value/principle before reaching for a token.
Instructions file GitHub Copilot
Design-system size tokens (spacing, corner radius, font size, codicon size, stroke). Use when writing or editing CSS to size, space, or round UI — prefer the --vscode- token vars over hardcoded px values.
Instructions file GitHub Copilot
Guidelines for writing code using IDisposable.
Instructions file GitHub Copilot
Architecture documentation for VS Code interactive window component. Use when working in src/vs/workbench/contrib/interactive.
Instructions file GitHub Copilot
Kusto exploration and telemetry analysis instructions.
Instructions file GitHub Copilot
Use when writing or reviewing model-facing language model tool descriptions.
Instructions file GitHub Copilot
This document describes how to deal with learnings that you make. (meta instruction).
Instructions file GitHub Copilot
Architecture documentation for VS Code notebook and interactive window components. Use when working in src/vs/workbench/contrib/notebook/.
Instructions file GitHub Copilot
Guidelines for writing code using observables and deriveds.
Instructions file GitHub Copilot
Instructions for microsoft/vscode, covering vs code oss third-party-notices pipeline, architecture, pipeline flow in ci, applying the notice (cutover) and fallback chain (never fail the build).
Instructions file GitHub Copilot
Instructions for microsoft/vscode, covering oss license review, thirdpartynotices.txt, cglicenses.json, cgmanifest.json and red flags.