Open-source starter demos for HarnessRouter: run agent harnesses such as Codex and Claude Code as your product backend through one API.
Skill Claude CodeCodex
How to build a working dashboard — the exact dashboard.json contract, how to explore a schema and test SQL before it becomes a panel, which chart answers which question, and how to lay panels out so the important number is where the eye lands. Use for EVERY dashboard request, before writing anything.
Skill Claude CodeCodex
How to build a working sheet — the exact sheet.json contract, and how to design columns as a left-to-right pipeline where an agent column runs another agent once per row. Use for EVERY sheet request, before writing anything.
Skill Claude CodeCodex
How to plan and design presentation decks — content architecture first, then a deliberate style system, then slide-by-slide craft. Use for EVERY deck request, before touching any slide tool.
Skill Claude CodeCodex
How to make a film that holds together — the submit-and-poll loop, the storyboard you agree before spending anything, how a character stays the same person across shots, what each capability can and cannot do today, and how the timeline becomes one exported video. Use for EVERY video request, before generating…