# Where Muse Spark Code is going: bring your own models, agent teams and every editor > Source: > Published: 2026-10-07 00:26:04+00:00 Muse Spark Code is a free, open source coding agent for Meta's Muse Spark. I've been building it in public, and a lot of people have asked the same question: where is it going? This is the answer, along with a quick tour of what it already does. ## What it is today **One agent, every editor.** Muse Spark Code runs as an ACP agent in Zed, JetBrains IDEs, Neovim and Emacs, and as an extension for Cursor, Windsurf, VSCodium and VS Code. It works with your Muse subscription through the Muse Code CLI, or with a Meta Model API key. A few things make it different from a plain chat panel: - **Subagents you can watch.** When work is delegated, every subagent shows up on a live agent map with its role, status, token use and its own transcript, so you can follow and steer it. - **It checks its own web changes.** The agent can open your local dev server in an isolated headless browser, click and type, and read console errors and failed requests before it tells you it's done. - **Hardware, too.** A bundled Muse Gadgets skill builds, flashes and monitors ESP32 boards. - **Questions don't block you.** When the agent needs your input, the question waits in a card while you keep working. You can answer later, or explain what you want instead. - **No telemetry.** It's MIT licensed, has no hosted server of its own, ships in 15 languages and is checked against WCAG 2.2 AA. ## Where it's going These are roughly in order. There are no dates; each one ships when it's ready. 1. **Save and share prompts and chats.** A personal prompt library you can use in any project, with right-click Save on your own messages and prompts with variables. Chats export as Markdown, HTML or JSON, with an exact preview and redactions highlighted. 2. **Bring your own models.** OpenAI, Anthropic and Google Gemini keys, local models, and ChatGPT and GitHub Copilot sign-in, alongside Muse Spark. Each feature turns on only for models that support it. 3. **Agent teams.** Research, design, engineering, QA, code review, docs and marketing roles, each with its own caps, orchestrated by the main agent. 4. **A usage and cost page in every editor.** One local journal of what each model and feature cost. 5. **/legal.** A read-only scan for licensing and copyright issues. Fixes happen only after you choose them. 6. **Every editor, every feature.** JetBrains IDEs, Visual Studio, Eclipse, Xcode, Zed, Neovim, Emacs, Sublime Text and Qt Creator get the full feature set. 7. **Makers.** Arduino, ESP32 and Raspberry Pi boards, 3D printers and CNC, with simulators. Every physical action needs your approval at the OS level, and Stop always works. 8. **Muse Judge.** A second-opinion judge that can check any agent's work. 9. **/report.** Deterministic, redacted project reports you can schedule, save and compare over time. 10. **Scheduled prompts.** Unattended runs on a schedule or a trigger, with a choice of how results are delivered. 11. **A resource governor.** CPU and memory limits, so agents never bog down your machine. 12. **Video, audio, documents and screen recordings as input** , with transcription where the model supports it. 13. **Several accounts per provider** , with usage thresholds. 14. **A credential vault.** Agents use secrets through a broker and never see them. 15. **A capacity estimator.** How long a plan will take on your machines, and the cheapest or fastest setup to run it. 16. **A design-language refresh** across the whole UI. ## How it gets built Most of the implementation is done by a fleet of coding agents with a lot of structure around them. Claude plans each milestone and splits it into small lanes, Codex and Muse agents build those lanes across several machines, and a different agent reviews every lane before it can merge. That's how a solo developer can ship several releases in a day without losing track of quality. ## Try it If Muse Spark Code is useful to you, a star on GitHub helps other people find it. Issues and feature requests are welcome too, especially if one of the roadmap items matters to you. *Muse Spark Code is unofficial and not affiliated with or endorsed by Meta. "Muse Spark" and "Muse Code" are Meta trademarks.*