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Harness Engineering hardcover standing beside a paperback on a limestone counter, with navy cabinetry and warm brass accents.
Hardcover and paperback · Illustrated mockup

Brandon Kaplan · First edition

Harness Engineering

Building, Evaluating, and Operating Reliable AI Agents

A practical guide to the systems around an AI agent: execution loops, tool interfaces, permissions, context, evaluation, and operations. Follow the ideas through runnable Python examples in the companion code.

Available from Amazon , AbeBooks (hardcover) , Orell Füssli (hardcover, Switzerland) , ThriftBooks (hardcover) , and YES24 (hardcover, South Korea)