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Open HarnessWorkspace options by Mifune

Choose who operates your Open Harness workspace.

Choose Mifune-managed Open Harness Cloud when you want Mifune to operate the environment, or self-host the MIT-licensed project when your team wants that responsibility.

Need implementation details? Read the Open Harness docs(opens in a new tab)

Two operating paths

Compare who runs the environment and what each path includes. Mifune does not publish prices on this page.

Open HarnessCLOUD · MANAGED BY MIFUNE

Recommended · Managed by Mifune

Recommended managed path

Open Harness Cloud

Give coding agents an isolated, persistent Open Harness workspace while Mifune operates the managed environment.

Who operates it

Mifune operates the managed environment.

Best fit

Teams that want the workspace value without operating the environment themselves.

What you get

  • Persistent workspace for coding agents
  • Environment operated by Mifune
  • Start in the Mifune Cloud Console
Open Mifune Cloud Console(opens in a new tab)
Open HarnessOPEN SOURCE · MAINTAINED BY MIFUNE

Self-hosted · Maintained by Mifune

Open Harness Open Source

Inspect, adapt, and operate the MIT-licensed Open Harness workspace yourself, locally or on a remote VM.

Who operates it

Your team operates its local or remote environment.

Best fit

Teams that want self-host control and are prepared to run the workspace.

What you get

  • Claude Code, Codex, Pi, and other opt-in CLIs
  • Local or remote Docker workspace
  • Isolated git worktrees for parallel branches
Explore Open Harness on GitHub(opens in a new tab)
Open HarnessFOR CLOUD · MIFUNE ENGINEERING

Optional for Cloud customers

Add Mifune engineering support

Bring Mifune engineers alongside your team to plan, implement, integrate, troubleshoot, and hand off your Open Harness Cloud deployment. This is a scoped service for Cloud adoption, not another workspace option.

Discuss your Cloud deployment