The one and only agent harness for complex codebases. Project memory, planning, execution, and verified completion inside Codex.
LazyCodex is an agent harness for complex codebases that manages project memory, planning, execution, and verified completion within Codex. Built in TypeScript, it comprises multiple interconnected components including a Next.js 16 web interface, a bootstrap provisioner for session initialization, a CodeGraph MCP wrapper for code indexing, a comment checker for post-edit validation, and a git_bash MCP reminder hook for Windows environments. The system leverages Claude and OpenAI as AI backends and orchestrates complex workflows through Codex hooks, MCP servers, and a plugin architecture that runs locally without network calls for core functionality.