Symphony turns project work into isolated, autonomous implementation runs, allowing teams to manage work instead of supervising coding agents.

Symphony monitors local Markdown issue files for work and spawns Copilot CLI agents to handle the tasks. Engineers manage the work at the issue-tracking level instead of supervising each coding-agent turn.

Symphony works best in codebases that have adopted harness engineering. Symphony is the next step -- moving from managing coding agents to managing work that needs to get done.

Tell your favorite coding agent to build Symphony in a programming language of your choice:

Implement Symphony according to the following spec: https://github.com/openai/symphony/blob/main/SPEC.md

Check out elixir/README.md for instructions on how to set up your environment and run the Elixir-based Symphony implementation. You can also ask your favorite coding agent to help with the setup:

Set up Symphony for my repository based on https://github.com/openai/symphony/blob/main/elixir/README.md

This repository includes a .NET implementation at the repository root. It implements the core workflow/config, local Markdown-file issue tracker, workspace manager, Copilot CLI runner, orchestrator, structured logs, and optional local HTTP status API from SPEC.md.

dotnet test .\Symphony.sln
dotnet run --project .\src\Symphony.Cli\Symphony.Cli.csproj -- .\WORKFLOW.md

The included WORKFLOW.md uses local markdown issues by default. Create active issue files under issues\active\, for example:

New-Item -ItemType Directory -Force .\issues\active | Out-Null
@'
# Fix issue with UI

The button is misaligned.
'@ | Set-Content .\issues\active\fix-issue-with-ui.md

Moving an issue file between immediate subfolders changes its state, so moving issues\active\fix-issue-with-ui.md to issues\done\fix-issue-with-ui.md marks it done. Add --port <port> to enable the local dashboard and JSON API:

dotnet run --project .\src\Symphony.Cli\Symphony.Cli.csproj -- .\WORKFLOW.md --port 4545

Runtime prerequisites for real work dispatch are an authenticated copilot executable on PATH and any tools referenced by your WORKFLOW.md hooks.

This project is licensed under the Apache License 2.0.