Coding Agent Stack Converging: Cursor, Claude Code, and Codex Forming Composable Orchestration-Execution-Review Layers
The New Stack·medium signal
Rather than consolidating into one monolithic tool, the three leading coding agents are forming a composable stack with distinct layers: orchestration (planning and task decomposition), execution (code generation and testing), and review (quality verification). The Q2 2026 wave is racing toward parallel orchestration — multiple agents working concurrently on different aspects of the same codebase, mirroring the DevOps-era unbundling where specialized tools composed into pipelines.