Quickstart
Ultimate Harness ships the uh CLI for runtime-agnostic agentic engineering workflows.
Install
Section titled “Install”bun add -g @agenticengineeringagency/ultimate-harnessuh --helpFor local development:
bun install --frozen-lockfilebun run buildnode dist/cli.js --helpInitialize A Project
Section titled “Initialize A Project”uh inituh statusuh adapter capabilitiesThis creates .harness/ with schema-backed project, adapter, workflow, sandbox, skill, mission, and audit artifacts.
Create And Run A Mission
Section titled “Create And Run A Mission”uh mission create m1-example \ --title "Example mission" \ --workflow spec-first-feature \ --objective "Demonstrate the mission lifecycle"
uh validate --all-missionsuh mission dry-run .harness/missions/m1-example/mission.yaml --runtime codexuh mission run .harness/missions/m1-example/mission.yaml --runtime codexuh verify m1-exampleuh status --jsonUse dry-run before a real runtime invocation when checking command shape, sandbox routing, or runtime config overrides.
Human Surfaces
Section titled “Human Surfaces”uh tui --onceuh tuiuh tui requires Bun and opens the OpenTUI/Solid Mission Control surface. Node-only users can continue to use every other uh command.