System breakdown
Interactive Workspace (20+ Diagrams)

Inside OpenAI Codex: Rust CLI, App Server & Agentic Protocols

Traces the compilation and sandbox boundaries of the OpenAI Codex terminal agent engine.

openai/codex
1.1 TUI Paint Loop

How the cli-tui schedules layout refreshes and buffers output stream chunks to prevent frame tearing.

Input EventRender FrameFlush BufferTUI ComposerState ManagerDouble BufferStdout Paint

Execution Flow Trace

Technical Specifications

Click "Trace Flow" above to animate this architectural pathway.