Compare · Deep dive
dev-mux vs Sculptor
Sculptor, from the well-funded AI lab Imbue, is a free, MIT-licensed desktop app that runs parallel Claude Code agents in Docker containers — each with a full repo copy, diff review, merge-conflict flagging, and clever extras like a CI babysitter. On one machine it's a serious tool. dev-mux starts where the desktop ends.
What Sculptor actually is
An Electron desktop app (Apple Silicon Macs and Linux) where each agent runs in a local Docker container holding a full copy of your repo — stronger isolation than worktrees, with devcontainer support and port forwarding. Pairing Mode syncs files bidirectionally with your local checkout; a Suggestions feature reviews agent code; CI Babysitter chases pipeline failures. Everything runs on your computer with your own Claude subscription or API key — Imbue doesn't resell tokens, and the product is currently free.
At a glance
As of July 31, 2026. If something here is stale, tell us.
| dev-mux | Sculptor | |
|---|---|---|
| What it is | Self-hosted fleet control plane | Desktop app for container-isolated agents |
| Scope | Every machine, repo, and agent — one live map | One desktop at a time |
| Isolation model | tmux sessions + git worktrees (dev wt) | Docker container per agent (stronger) |
| Machine floor | bash 3.2 + tmux + git | Docker + Electron app; Apple Silicon or Linux desktop |
| Always-on state | Hub polls every box; stale flagged in seconds | Lives in the app — lid closes, view gone |
| Away from keyboard | iOS, browser, TUI, glasses, Telegram + push | None documented — attention lives in the desktop app |
| Adopts existing sessions | Yes — tmux-native | Manages only containers it created |
| Price / license | Commercial — Solo $25/mo · Team $100/mo | Free today, MIT (paid tiers hinted, unannounced) |
Where Sculptor shines
- Isolation done properly — a container with a full repo copy per agent beats worktrees for environment contamination; devcontainers are supported.
- Thoughtful agent tooling — Pairing Mode, code-reviewing Suggestions, and a CI Babysitter that fixes pipeline failures are genuinely novel.
- Free and open — MIT-licensed, from a serious team ($200M-backed Imbue), with your own Claude plan and no token markup.
Where dev-mux is a different layer
- The fleet map. Sculptor's awareness lives inside a desktop window on one machine. dev-mux's hub keeps a freshness-aware picture of every agent on every box, whether or not any window is open anywhere.
- Away-from-keyboard is the point. Push notifications when an agent is waiting, approve/steer from an iPhone or glasses, a browser cockpit from any device — Sculptor has no remote surface at all today.
- Lighter floor, wider fleet. Docker + Electron confines Sculptor to capable desktops. Anything that runs bash 3.2 + tmux + git is a dev-mux spoke — including headless cloud VMs and Pis.
- Adoption, not ownership. Sculptor manages containers it created. dev-mux adopts whatever tmux sessions already exist on your machines, however you started them.
Common questions
Is Sculptor free?
Yes — free and MIT today, on your own Claude plan; paid tiers hinted but unannounced. dev-mux is paid infrastructure from $25/mo.
Does Sculptor work across multiple machines?
No — agents run in containers on the same box as the app; remote execution was roadmap talk at launch. Multi-machine aggregation is the layer dev-mux adds.
Can I use Sculptor and dev-mux together?
Different niches on the same box: Sculptor owns its containerized agents; dev-mux watches tmux sessions — and a Sculptor desktop can still be a spoke for everything else.
Sculptor sculpts on one desk. dev-mux runs the studio.
Get early accessWritten 2026-07-31 against Sculptor's public docs, repo, and launch coverage. Sculptor is a trademark of its owners; no affiliation or endorsement implied. Corrections welcome.