This book constitutes the thoroughly refereed post-proceedings of the First International Workshop on Radical Agent Concepts, WRAC 2002, held in McLean, VA, USA in January 2002.The 32 revised full papers presented together with an invited article, 6 poster papers, and 2 panel reports were carefully reviewed and selected for inclusion in the book. The papers are organized in topical sections on adaptation and learning, agent-based software engineering, agent architectures, agent communication and coordination, and innovative applications.