Slipway

Build Harbor tasks visually. Launch them anywhere.

A web studio for authoring Harbor tasks — write the instruction, assemble the environment and verifier in the browser, then launch a ready-to-run task.

Harbor tasks are just folders — an instruction, a Dockerfile, a test script and an optional solution — but getting them right means bouncing between an editor, a terminal and the docs. Slipway puts the whole task on one canvas: drag in environment and verifier blocks, edit every file side by side, and see at a glance whether oracle scores 1 and nop scores 0. When it is ready, Launch it as a folder Harbor runs as-is.

Slipway is a community tool for Harbor. It is Harbor-compatible, not an official Harbor project.

Status

Early. Everything runs in your browser and is saved locally; imported files are never uploaded, and the page's Content Security Policy makes sure of it.

• Studio builds, checks and launches tasks, or imports the task folders you already have.
• Runs imports a job folder from harbor run and lets you audit each trial's trajectory, with steps that can fake a reward flagged.

Running evaluations from Slipway comes next — see docs/architecture.md.

Development

Requires Node 22 and pnpm 10.

pnpm install
pnpm dev          # http://localhost:3000
pnpm test         # unit tests
pnpm typecheck
pnpm lint

Slipway validates task.toml against the JSON Schema of a pinned Harbor release. To update it, bump the version in scripts/sync-harbor-schema.sh and src/features/harbor/constants.ts, then run pnpm harbor:schema (needs uv).

Contributing

Naming, copy and visual guidelines for contributors live in docs/brand/.

License

Apache License 2.0