Agent Skills

extract-errors

✓★ 246,273

by facebook

Use when adding new error messages to React, or seeing "unknown error code" warnings.

🧰 Not standalone — use together with react/react

accessibility

✓★ 187,144

by microsoft

Primary accessibility skill for VS Code. REQUIRED for new feature and contribution work, and also applies to updates of existing UI. Covers accessibility help dialogs, accessible views, verbosity settings, signals, ARIA announcements, keyboard navigation, and ARIA labels/roles.

🧰 Not standalone — use together with microsoft/vscode

heap-snapshot-analysis

✓★ 187,144

by microsoft

Analyze V8 heap snapshots to investigate memory leaks and retention issues. Use when given .heapsnapshot files, asked to compare before/after snapshots, asked to find what retains objects, or investigating why objects survive GC. Provides snapshot parsing, comparison, retainer-path helpers, and scratchpad scripts.

🧰 Not standalone — use together with microsoft/vscode

memory-leak-audit

✓★ 187,144

by microsoft

Audit code for memory leaks and disposable issues. Use when reviewing event listeners, DOM handlers, lifecycle callbacks, or fixing leak reports. Covers addDisposableListener, Event.once, MutableDisposable, DisposableStore, and onWillDispose patterns.

🧰 Not standalone — use together with microsoft/vscode

fix-ci-failures

✓★ 187,144

by microsoft

Investigate and fix CI failures on a pull request. Use when CI checks fail on a PR branch — covers finding the PR, identifying failed checks, downloading logs and artifacts, extracting the failure cause, and iterating on a fix. Requires the `gh` CLI.

🧰 Not standalone — use together with microsoft/vscode

project-setup-info-context7

✓★ 187,144

by microsoft

Comprehensive setup steps to help the user create complete project structures in a VS Code workspace. This tool is designed for full project initialization and scaffolding, not for creating individual files. When to use this tool: when the user wants to create a new complete project from scratch; when setting up entire project frameworks (TypeScript projects, React apps, Node.js servers, etc.); when initializing Model Context Protocol (MCP) servers with full structure; when creating VS Code exte

🧰 Not standalone — use together with microsoft/vscode

author-contributions

✓★ 187,144

by microsoft

Identify all files a specific author contributed to on a branch vs its upstream, tracing code through renames. Use when asked who edited what, what code an author contributed, or to audit authorship before a merge. This skill should be run as a subagent — it performs many git operations and returns a concise table.

🧰 Not standalone — use together with microsoft/vscode

cpu-profile-analysis

✓★ 187,144

by microsoft

Analyze V8/Chrome CPU profiles (.cpuprofile) and DevTools trace files (Trace-*.json). Use when: profiling performance, investigating slow functions, comparing code paths, finding bottlenecks, analyzing timeToRequest, understanding call trees from sampling profiler data, analyzing layout/paint/rendering, investigating user timing marks.

🧰 Not standalone — use together with microsoft/vscode

dart-log-failure-parser

✓★ 177,640

by flutter

Parse failures from Dart and Flutter test logs.

🧰 Not standalone — use together with flutter/flutter

find-release

✓★ 177,640

by flutter

A skill to find the lowest Dart and Flutter release containing a given commit. Use this skill whenever users ask about when a commit landed in Flutter or Dart releases, inquire about release versions for specific SHAs, or want to know if a commit is included in stable, beta, or dev channels for Flutter/Dart projects.

🧰 Not standalone — use together with flutter/flutter

add-or-fix-type-checking

✓★ 162,286

by huggingface

Fixes broken typing checks detected by ty, make typing, or make check-repo. Use when typing errors appear in local runs, CI, or PR logs.

🧰 Not standalone — use together with huggingface/transformers

authoring-skills

✓★ 140,355

by vercel

How to create and maintain agent skills in .agents/skills/. Use when creating a new SKILL.md, writing skill descriptions, choosing frontmatter fields, or deciding what content belongs in a skill vs AGENTS.md. Covers the supported spec fields, description writing, naming conventions, and the relationship between always-loaded AGENTS.md and on-demand skills.

🧰 Not standalone — use together with vercel/next.js

v8-jit

✓★ 140,355

by vercel

V8 JIT optimization patterns for writing high-performance JavaScript in Next.js server internals. Use when writing or reviewing hot-path code in app-render, stream-utils, routing, caching, or any per-request code path. Covers hidden classes / shapes, monomorphic call sites, inline caches, megamorphic deopt, closure allocation, array packing, and profiling with --trace-opt / --trace-deopt.

🧰 Not standalone — use together with vercel/next.js

winmd-api-search

✓★ 136,050

by microsoft

Find and explore Windows desktop APIs. Use when building features that need platform capabilities — camera, file access, notifications, UI controls, AI/ML, sensors, networking, etc. Discovers the right API for a task and retrieves full type details (methods, properties, events, enumeration values).

🧰 Not standalone — use together with microsoft/powertoys

add-adaptive-card-form

✓★ 136,050

by microsoft

Create form-based UI for your Command Palette extension using Adaptive Cards. Use when asked to add forms, user input fields, toggle switches, text inputs, dropdown menus, data entry, surveys, configuration dialogs, or interactive content pages. Supports the Adaptive Cards Designer for visual form building.

🧰 Not standalone — use together with microsoft/powertoys

wpf-to-winui3-migration

✓★ 136,050

by microsoft

Guide for migrating PowerToys modules from WPF to WinUI 3 (Windows App SDK). Use when asked to migrate WPF code, convert WPF XAML to WinUI, replace System.Windows namespaces with Microsoft.UI.Xaml, update Dispatcher to DispatcherQueue, replace DynamicResource with ThemeResource, migrate imaging APIs from System.Windows.Media.Imaging to Windows.Graphics.Imaging, convert WPF Window to WinUI Window, migrate .resx to .resw resources, migrate custom Observable/RelayCommand to CommunityToolkit.Mvvm so

🧰 Not standalone — use together with microsoft/powertoys

publish-extension

✓★ 136,050

by microsoft

Publish your Command Palette extension to the Microsoft Store or WinGet. Use when asked to publish, distribute, release, deploy to store, create MSIX packages, submit to WinGet, set up CI/CD for releases, or automate builds with GitHub Actions.

🧰 Not standalone — use together with microsoft/powertoys

add-dock-band

✓★ 136,050

by microsoft

Add dock band support to your Command Palette extension for persistent toolbar widgets. Use when asked to add dock support, toolbar buttons, persistent UI widgets, taskbar integration, live-updating status displays, quick-access buttons, or always-visible controls. Supports single buttons, multi-button strips, and live-updating content.

🧰 Not standalone — use together with microsoft/powertoys

add-extension-settings

✓★ 136,050

by microsoft

Add a settings page to your Command Palette extension. Use when asked to add settings, preferences, configuration options, toggles, text inputs, dropdowns, or user-customizable behavior. Covers ToggleSetting, TextSetting, ChoiceSetSetting, and persistence.

🧰 Not standalone — use together with microsoft/powertoys

add-fallback-commands

✓★ 136,050

by microsoft

Add fallback commands to your Command Palette extension for catch-all search behavior. Use when asked to add search functionality, query matching, direct input handling, calculator-style evaluation, URL opening, command execution, or results that appear when no other extension matches. Used by 14 of 20 built-in extensions.

🧰 Not standalone — use together with microsoft/powertoys

dev-toolbar-review

✓★ 105,783

by supabase

Use when reviewing PRs that touch packages/dev-tools/, packages/common/posthog-client.ts,

🧰 Not standalone — use together with supabase/supabase

vercel-composition-patterns

✓★ 105,783

by supabase

React composition patterns that scale. Use when refactoring components with

🧰 Not standalone — use together with supabase/supabase

vitest

✓★ 105,783

by supabase

Vitest fast unit testing framework powered by Vite with Jest-compatible API. Use when writing tests, mocking, configuring coverage, or working with test filtering and fixtures.

🧰 Not standalone — use together with supabase/supabase

code-reviewer

✓★ 105,779

by google-gemini

Use this skill to review code. It supports both local changes (staged or working tree)

🧰 Not standalone — use together with google-gemini/gemini-cli

antigravity-support

✓★ 105,779

by google-gemini

Use when the user asks questions, seeks help, or requests instructions related to installing, setting up, or migrating to Antigravity CLI. This skill provides the latest up to date details, requirements, and commands sourced from the official Antigravity CLI documentation.

🧰 Not standalone — use together with google-gemini/gemini-cli

tui-tester

✓★ 105,779

by google-gemini

Expert guidance for testing Gemini CLI behavior and visual output using terminal automation.

🧰 Not standalone — use together with google-gemini/gemini-cli

behavioral-evals

✓★ 105,779

by google-gemini

Guidance for creating, running, fixing, and promoting behavioral evaluations. Use when verifying agent decision logic, debugging failures, debugging prompt steering, or adding workspace regression tests.

🧰 Not standalone — use together with google-gemini/gemini-cli

agent-tui

✓★ 105,779

by google-gemini

Main Agents: Do NOT use this skill directly. If you need to test the TUI, invoke the `tui_tester` subagent. Drive terminal UI (TUI) applications programmatically for testing, automation, and inspection. Use when: automating CLI/TUI interactions, regression testing terminal apps, or verifying interactive behavior. Also use when: user asks "what is agent-tui", "what does agent-tui do", "demo agent-tui", "show me agent-tui", "how does agent-tui work", or wants to see it in action.

🧰 Not standalone — use together with google-gemini/gemini-cli

critique

✓★ 105,779

by google-gemini

Expertise in auditing and fixing repository scripts and GitHub Actions workflows to ensure technical robustness and security.

🧰 Not standalone — use together with google-gemini/gemini-cli

prs

✓★ 105,779

by google-gemini

Expertise in managing the Git and GitHub Pull Request lifecycle, including staging changes, generating PR descriptions, and branch management.

🧰 Not standalone — use together with google-gemini/gemini-cli