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Comparison

Fleet vs Conductor: Headless Agent Operations vs Local Mac GUI

Conductor is a free Mac desktop app by Melty Labs that runs parallel coding agents locally — you bring your own Claude (or Codex) login. Fleet is a headless daemon with an event bus and governance, designed to run as a persistent autonomous background system rather than an interactive desktop GUI.

Conductor and Fleet both run multiple AI coding agents in parallel, each in an isolated git worktree. The core difference is the operating model: Conductor is a Mac GUI where you watch agents work, then review and merge their changes — everything runs on your machine using your existing Claude Code or Codex login, and the app itself is free. Fleet is a headless Go binary with a watcher daemon, a Fabric event bus, role-based governance, and GitHub workflow automation, designed to run agents autonomously without a person at the keyboard.

The choice between them often comes down to whether your team wants a hands-on desktop app for parallel sessions (Conductor) or an autonomous, event-driven, governed agent system (Fleet).

Choose Fleet if

Teams that want headless, autonomous, event-driven agent coordination with role-based governance and built-in GitHub workflow automation.

Choose Conductor if

Developers who want a simple, free Mac desktop app to run parallel coding agents locally with their own Claude or Codex login, and review the results interactively.

Fleet vs. Conductor: side by side

FeatureFleetConductor
InterfaceHeadless CLI + daemon; no GUIMac desktop GUI app
Where it runsSelf-hosted binary on your machine or serverLocal Mac app; everything runs on your machine
Agent runner / loginRuns Claude Code as the agent runnerBring your own Claude Code or Codex login
Event-driven coordinationFabric event bus: agents react to GitHub events and each otherInteractive parallel sessions; no event bus
GitHub integrationNative label watcher, PR lifecycle management, release gateHandles branch isolation, merging, and PRs from the app
GovernancePer-agent run-time budgets, 6-dim evaluation, auto-quarantine risk model, approval gates, audit logNo governance primitives; human reviews each session

Where Fleet is the better fit

  • Headless and autonomous — agents run on a server without a person watching a desktop app
  • Event-driven Fabric bus enables autonomous role-to-role handoffs without manual review-and-merge
  • Deep GitHub label and PR lifecycle automation built into the orchestration layer
  • Governance stack: run-time budgets, 6-dimension evaluation, and a separate risk model that drives auto-quarantine

Where Conductor is the better fit

  • Free — the app costs nothing; you use your existing Claude or Codex subscription
  • Polished Mac GUI for watching, reviewing, and merging parallel agent work at a glance
  • Everything runs locally on your machine — no daemon, no config files, no server to operate
  • Lower barrier to entry for solo developers who want hands-on parallel sessions

Pricing

Conductor is a free Mac app; you pay only for your own Claude or Codex usage. Fleet's Team tier is $49 per agent slot per month with a free single-slot tier.

Do they compete, or coexist?

Conductor and Fleet suit different operating models. Conductor is great when a developer wants to watch and merge parallel agent work interactively on their Mac. Fleet is for an autonomous, governed agent system that reacts to GitHub events and runs unattended. A developer could use Conductor for hands-on parallel sessions while Fleet runs the background reviewer and release-manager chain.

Frequently asked questions

Is Conductor a cloud service?

No. Conductor is a free Mac desktop app from Melty Labs that runs agents locally using your own Claude Code or Codex login — code stays on your machine. Fleet is also self-hosted, but it is a headless daemon built for autonomous, event-driven operation rather than an interactive GUI.

Does Fleet require significant infrastructure to run?

No. Fleet is a single Go binary with no Docker or cloud requirements. It runs on a macOS or Linux machine alongside your existing development tooling. The difference from Conductor is the operating model — headless daemon and event bus versus an interactive desktop app.

Run your first agent fleet

One binary. Five minutes. See every agent, coordinate every handoff, and keep a full audit trail of what your fleet did.