✨ The Modern Frontier🤖Chapter 45AI for Web DevsLLM APIs, the Vercel AI SDK, streaming, tool calling, embeddings, RAG.3 lessons~1.4 hr1LLM APIs in PracticeChat completions, streaming, tokens, prompt caching. 30m2Vercel AI SDKProvider-agnostic streaming. Tool calls. UI hooks. 30m3Embeddings & RAGpgvector, similarity search, retrieval-augmented generation. 25m Previous chapter📡 SEO & DeploymentNext chapter 🔌 Model Context Protocol (MCP)