AI Chat Widgets: Managing Product and Policy Answers at Scale in WordPress

Nexu SmartChat AI is an AI-powered chat widget that turns your WordPress site’s content into a conversational assistant. It uses retrieval-augmented generation (RAG): your posts, pages, and WooCommerce products are chunked, embedded, and stored in a local knowledge base. When a visitor asks a question, the plugin retrieves the most relevant chunks and injects them into the AI prompt so answers stay accurate and grounded in your content. The assistant is scoped as a store or shop helper: it answers only about products, policies, shipping, and support, and politely redirects off-topic or manipulative requests. Multiple AI providers are supported (OpenAI, Gemini, Claude, Azure, Mistral), with optional streaming, lead capture, handoff to human (email or webhook), and full control over appearance, display rules, and security. Administrators configure everything from a single SmartChat AI settings area with tabs for API keys and models, content sources and indexing (which post types, chunk