Claude Code 3 layer config (doneyli.substack.com)

Boris Tane has introduced a new three-layer configuration for Claude Code, enhancing its utility across multiple production projects. This approach addresses a common issue where users either leave the CLAUDE.md file blank or overload it with conflicting instructions. Tane's method emphasizes a structured, detailed workflow for each project, allowing for clearer communication and reducing the cognitive load on users. By focusing on one project at a time, he increases coding efficiency through practices like rich documentation, continuous type checking, and iterative planning cycles. The significance of this configuration lies in its scalability for developers managing multiple projects simultaneously. Tane's three-layer framework separates concerns into a global identity layer, a project context layer, and an agent specialization layer. This not only streamlines workflows but also prevents errors by embedding key learnings from previous projects into the AI's operational context. For developers navigating complex infrastructures, the systematic separation of roles and responsibilities within this framework enhances productivity and reduces the likelihood of mistakes, ultimately guiding teams to achieve higher quality coding outcomes.