{"slug":"symphony","name":"Symphony","vendor":"OpenAI","tagline":"OpenAI's open-source spec and Elixir reference implementation that turns a Linear board into a dispatch loop for Codex agents","url":"https://agentboards.org/agent/symphony","website":"https://github.com/openai/symphony","docs":"https://github.com/openai/symphony/blob/main/SPEC.md","repo":"https://github.com/openai/symphony","category":"harness","execution":["local"],"license":"Apache-2.0","open_source":true,"pricing":{"model":"free","summary":"Free and Apache-2.0 licensed; you pay for Codex through your own OpenAI account or subscription","from_usd":0,"free_tier":true,"byok":false},"models":{"backbone":["Codex (OpenAI)"],"bring_your_own_model":false,"local_models":false},"protocols":{"mcp_client":false,"mcp_server":false,"openapi":false},"capabilities":{"terminal_exec":true,"browser":false,"multi_file_edit":false,"git_ops":true,"docker_sandbox":false,"multi_agent":true,"headless_ci":true},"context_window":null,"platforms":["macos","linux"],"install":[{"label":"build","command":"git clone https://github.com/openai/symphony && cd symphony/elixir && mise trust && mise install && mise exec -- mix setup && mise exec -- mix build"},{"label":"run","command":"./bin/symphony ./WORKFLOW.md"},{"label":"binary","command":"Download symphony-v0.0.1-<platform> from https://github.com/openai/symphony/releases and run it with ./WORKFLOW.md"}],"benchmarks":[],"tags":["preview","spec","elixir","linear","codex","autonomous-loop","multi-agent","open-source"],"github_stars":27502,"metrics":{"stars":27502,"pushed_at":"2026-09-15T22:14:59Z","archived":false,"open_issues":8,"latest_version":"v0.0.3","latest_version_at":"2026-09-15T22:06:25Z","latest_version_url":"https://github.com/openai/symphony/releases/tag/v0.0.3","version_source":"github","checked_at":"2026-10-02T05:02:50.355Z"},"sources":{"pricing":"https://github.com/openai/symphony","license":"https://github.com/openai/symphony","install":"https://github.com/openai/symphony/blob/main/elixir/README.md","capabilities":"https://github.com/openai/symphony/blob/main/elixir/README.md","release":"https://www.helpnetsecurity.com/2026/04/28/openai-symphony-codex-orchestration-linear/"},"verified_at":"2026-09-03","adoption":{"score":6.5,"signals":{"github_stars":27290,"hn_mentions_1y":28},"measured_at":"2026-09-21"},"scores":{"panel":4.8,"adoption":6.5,"spread":2.5,"facts":6.7,"board":5.3,"dimensions":{"reliability":4.7,"usefulness":4.8,"cost":5.5,"longevity":4},"per_persona":{"amigo":4.8,"critico":3.5,"profesor":5.5,"inversora":4.5,"jefa":4.3,"hacker":6},"community":null},"rank":null,"category_rank":153,"panel_reviews":[{"persona":"juez","persona_name":"El Juez","ai_generated":true,"verdict":"El Hacker and El Crítico read the same README and split 2.5 points, one seeing an invitation to fork and the other prototype software for evaluation only.","scores":null,"evidence":[]},{"persona":"amigo","persona_name":"El Amigo","ai_generated":true,"verdict":"Do not adopt the binary; read the spec. 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