An open-source spec for orchestration: Symphony

OpenAI Blog / 4/27/2026

💬 OpinionDeveloper Stack & InfrastructureTools & Practical Usage

Key Points

  • Symphony is an open-source specification aimed at orchestrating “Codex” agents by connecting issue trackers to always-on agent workflows.
  • The approach is designed to improve engineering output by keeping agents continuously active on relevant work items.
  • By integrating with issue tracking, Symphony aims to reduce context switching for engineers compared with manual coordination.
  • The article frames Symphony as a practical orchestration pattern/spec that helps structure agent operations in day-to-day engineering processes.
Learn how Symphony, an open-source spec for Codex orchestration, turns issue trackers into always-on agent systems—boosting engineering output and reducing context switching.