Developer Tools & Repos Agent Skills for Gemini CLI

Submit feedback on an Expo skill—or Expo itself—and control bundled anonymous usage telemetry (off by default / opt-in).

Complete guide for building beautiful apps with Expo Router.

expo-ui-jetpack-compose

expo-ui-swift-ui

Use Expo DOM components to run web code in a webview on native and as-is on web.

Express.js middleware patterns, routing, error handling, security, and production best practices.

Use when implementing widgets, Live Activities, Control Center controls, or app extensions - comprehensive API reference for WidgetKit…

Use when implementing widgets, Live Activities, or Control Center controls - enforces correct patterns for timeline management, data…

Connect external agents and MCP hosts (Claude, Claude Desktop, Claude Code, ChatGPT custom MCP apps, Codex, Cursor, Claude Cowork, VS Code…

Connect to external tools via MCP (GitHub, databases, APIs)

Externalizes user-facing text to a resource bundle where they can be easily translated.

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

Use when the user asks for an Android app, Compose UI, Material 3, Material You, Material 3 Expressive, Pixel-style app, foldable/adaptive…

Facial animation skill for blend shapes and lip sync.

Use this skill whenever the design will encounter conditions that can''t be fully predicted at design time — load spikes, edge-case…

Generate 3D models from text or images via fal.ai.

Research WoW addon development topics using CLI tools, Blizzard UI source, and documentation.

name: family-recipe-lore description: Create family recipes that embed regional lore, items, and social ties. metadata: short-description…

Rules for code a reader follows in one pass - guard clauses over nesting, positive booleans, one abstraction level per function, domain…

Accelerates Git rebasing by detecting and dropping already squash-merged commits with byte-level verification.

Use when building high-performance async Python APIs with FastAPI and Pydantic V2.