How to Write CLAUDE.md: Three Types of Effective Instructions
How to write CLAUDE.md to give Claude Code project context, with before-and-after examples and the boundary between guidance and enforcement.
Designing Claude Code and Codex Collaboration
A guided series covering instruction files, shared rules, tool selection, handoffs, worktree state, and memory
6 postsSharing Claude Code and Codex Rules in shared/
When the number of rule files for AI grows, knowing what is where becomes difficult. This article explains how I organized them into three categories—rules, skills, and workflows—using the shared/ directory.
Claude Code vs Codex: How to Choose by Workflow Stage
How I choose between Claude Code and Codex in the same repository by comparing discussion, design, implementation, verification, and handoff work.
Claude Code to Codex Handoffs: Three Ways to Preserve Context
How I decide when to use Claude Code versus Codex in the same repository, and how I design handoff documents to transfer context across sessions.
How to Hand Off a Dirty Worktree Between AI Tools
A safe handoff process for uncommitted changes, separating what Codex Local, Worktree, and Cloud environments can see.
Codex Memories: What to Store and When to Reset
A practical guide to what Codex Memories are for, how they differ from AGENTS.md, and when to avoid, review, or reset memory behavior.