OpenAI just open-sourced Symphony — a Linear-board-driven orchestrator that spawns Codex coding agents per issue, runs them to a pull request without a human in the loop, and reports back with CI status, PR feedback, and a walkthrough video. We walk through the announcement, the Elixir architecture, the WORKFLOW.md spec, and what to actually do with this.
Chapters:
0:00 What just shipped
0:43 Repo + license
1:19 Inside github.com/openai/symphony
1:56 Why this is different
2:51 The execution model
3:37 Booting Symphony locally
4:19 The WORKFLOW.md spec
5:19 What the announcement says
5:34 The honest trade-offs
6:13 Wrap up
Links:
- Announcement: https://openai.com/index/open-source-codex-orchestration-symphony/
- GitHub repo: https://github.com/openai/symphony
- Elixir reference impl: https://github.com/openai/symphony/tree/main/elixir
- Spec: https://github.com/openai/symphony/blob/main/SPEC.md
