Use this skill when building applications with Gemini API hosted models, including Gemini and Gemma 4, working with multimodal content (text, images, audio, video), implementing function calling, using structured outputs, or needing current model specifications. Covers SDK usage (google-genai for Python, @google/genai for JavaScript/TypeScript, com.google.genai:google-genai for Java, google.golang.org/genai for Go), model selection, and API capabilities.
Use when building notifications with Courier across email, SMS, push, in-app inbox, Slack, Teams, or WhatsApp. Covers transactional messages (password reset, OTP, orders, billing), growth notifications (onboarding, engagement, referral), multi-channel routing, preferences and topics, reliability and webhooks, journeys (multi-step notification sequences via API), template CRUD and Elemental content, routing strategies, provider configuration, the Courier CLI and MCP server, and migrations from Knock, Novu, or other notification systems.
Content experimentation and A/B testing guidance covering experiment design, hypotheses, metrics, sample size, statistical foundations, CMS-managed variants, and common analysis pitfalls. Use this skill when planning experiments, setting up variants, choosing success metrics, interpreting statistical results, or building experimentation workflows in a CMS or frontend stack.
Structured content modeling guidance for schema design, content architecture, content reuse, references versus embedded objects, separation of concerns, and taxonomies across Sanity and other headless CMSes. Use this skill when designing or refactoring content types, deciding field shapes, debating reusable versus nested content, planning omnichannel content models, or reviewing whether a schema is too page-shaped or presentation-driven.