Overview

What if your database could think, reason, and act-without sacrificing the reliability of PostgreSQL? This book is a deep, practical guide to building agentic, AI-powered systems directly on PostgreSQL, transforming it from a passive data store into an active intelligence layer for modern applications. You'll learn how to combine LLMs, semantic search, Model Context Protocol (MCP), vector databases, and agent workflows to design systems that don't just store data, but understand it, query it intelligently, and act on it safely in production. Rather than abstract theory, this book focuses on real engineering decisions: connecting LLMs to Postgres via MCP, designing hybrid search with vectors and BM25, managing agent memory, ensuring transactional safety, scaling for AI workloads, and operating these systems reliably under real-world constraints. Each chapter shows how to move from concept to production with clarity and confidence-without hand-waving or vendor lock-in. What you'll gain from this bookYou'll learn how to: Turn PostgreSQL into a semantic, agent-ready intelligence platform Build hybrid search systems that combine structured SQL, embeddings, and full-text relevance Design agent memory, action tracing, and safety checks that actually hold up in production Scale, monitor, and optimize AI-driven workloads with proven Postgres techniques Reduce hallucinations and increase trust by grounding AI behavior in your data Why this book is differentMost AI books stop at demos. Most Postgres books stop at queries. This book lives in the space where production databases meet autonomous AI systems. It treats PostgreSQL as infrastructure-not a toy vector store-and shows how to integrate agentic behavior without abandoning decades of database reliability, observability, and security best practices. The result is a clear, opinionated, and battle-tested approach you won't find in generic AI tutorials. Who this book is forIf you're a software engineer, data engineer, or architect building LLM-powered systems-and you want them to be fast, auditable, scalable, and safe-this book was written for you. Stop building fragile AI demos. Start building intelligent systems you can actually ship. Get the book and turn PostgreSQL into the backbone of your agentic AI stack.

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