Explore the art and philosophy of tool creation in this 47-minute conference talk from Ekoparty Security Conference 2024, where renowned developer Tom Hudson (tomnomnom) shares his personal journey in developing open source security tools. Gain insights into the fundamental nature of tools, discover what constitutes effective tool design, and learn practical approaches to tool development. Delve into the motivations behind tool creation and receive guidance on beginning your own journey as a toolmaker in the security field. Master the principles that drive successful tool development while understanding the broader impact of contributing to the open source security community.