Coastguard

Coastguard is Coast's local web UI (think: Coast's Docker Desktop-style interface), running on port 31415. It is launched from the CLI:

coast ui

The project dashboard showing running Coast instances, their branches/worktrees, and checkout state.

The ports page for a specific Coast instance, showing canonical and dynamic port mappings for each service.

What Coastguard Is Good For

Coastguard gives you a visual control and observability surface for your project:

• See projects, instances, statuses, branches, and checkout state.
• Inspect port mappings and jump directly into services.
• View logs, runtime stats, and inspect data.
• Browse builds, image artifacts, volumes, and secrets metadata.
• Navigate docs in-app while working.

Relationship to CLI and Daemon

Coastguard does not replace the CLI. It complements it as the human-facing interface.

• coast CLI is the automation interface for scripts, agent workflows, and tooling integrations.
• Coastguard is the human interface for visual inspection, interactive debugging, and day-to-day operational visibility.
• Both are clients of coastd, so they stay in sync.