Developer Tools & Repos Agent Skills for Gemini CLI

Diagnose CometChat React Native UI Kit integration failures — init/login, gesture handler, pod install, iOS privacy manifest, Android…

Expo + React Native cross-platform mobile app development orchestrator — workflow selection (managed/bare/dev-client), project setup, eas…

Managed-to-bare transition with Expo prebuild, the ios/android directories, .easignore, native-upgrade discipline, and custom-mod…

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

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, 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)

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.

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.

Automated mobile build, test, and deployment with Fastlane

Build, test, and deploy Python MCP servers.

Optimize Fathom API performance with caching and batch processing.

Handle Fathom API rate limits (60 requests/minute per user).

Writing Swift/Kotlin native modules with the Expo Modules API, requireNativeModule, async functions, view modules, and the event-emitter…

File-based routing with Expo Router, dynamic routes, layout hierarchy, deep linking, and navigation patterns.