AUTHOR
Dru Knox
Dru Knox is Head of Product & Design at Tessl, where he leads the development of AI-native tools purpose-built for developers. A seasoned product manager, Dru has spent his career working on deeply technical and developer-facing products at companies like Google and Airtable. Over the past several years, he’s focused on machine learning and generative AI at scale, driving product innovation at Grammarly, his own startup, and the AI-native social network Cantina.Dru is passionate about making LLM-powered products that are fast, useful, and intuitive, especially in the codegen space. He brings a thoughtful, pragmatic approach to building tools that serve real developer needs, grounded in experience across both big tech and startups.Outside of work, Dru’s interests include improv comedy, Dungeons & Dragons, and philosophy. His favorite podcasts are Cortex, The Adventure Zone, and Sharp Tech. Originally from Virginia, he’s currently based in London and still counts winter (and snow) as his favorite season.
Articles
News
Context-Driven Factories
Software factories are the frontier of agentic software development. They promise a compounding development process that gets cheaper, faster, and better every week. But most teams struggle to build factories that deliver these compounding outcomes. Their buildout stalls, or the gains are merely incremental.
Article
Your agents keep making the same mistakes. Nobody has time to fix it.
AI coding agents often repeat mistakes due to lack of systematic updates. Tessl Agent automates error detection and task optimization to improve efficiency.
Article
A Proposed Evaluation Framework for Coding Agents: Tiles Enhance Proper Use of Public APIs by ~35%
This article proposes an evaluation framework highlighting how specifications enhance coding agents' effective use of public APIs, increasing code quality and efficiency by approximately 35% amidst evolving software interfaces.