nebula

Design a great single-page website from scratch.

Nebula is a Claude Code plugin for greenfield single-page design — typically a home page. It is a higher-level skill built on top of impeccable: impeccable owns how to design well; nebula owns the specific job of taking a brief and turning it into a single page that has personality.

Nebula is the sibling of stardust: stardust redesigns existing sites (starts from extract); nebula designs new ones (starts from a brief). Both ride on impeccable, neither depends on the other.

Pipeline

brief  →  direct  →  render

1. brief — capture the user's input (name, audience, purpose, vibe, optional inspiration). Writes nebula/brief.md. Asks at most 2–3 clarifying questions if the input is sparse.
2. direct — pick an anchor (silently, from human-curated candidates), commit on the 5 personality axes (typography, density, color, motion, edges), and write the target spec (PRODUCT.md, DESIGN.md, DESIGN.json) plus a reasoning trace at nebula/direction.md.
3. render — generate a self-contained nebula/index.html via impeccable's craft loop, executing the moves named in DESIGN.md.

Surface

$nebula                  # state report + next recommended step
$nebula brief [phrase]   # capture / refine the brief
$nebula direct           # resolve direction (anchor + 5 axes)
$nebula render           # render the single-page HTML

Hard dependency

Nebula requires impeccable to be installed. There are no fallbacks. On every invocation nebula verifies the impeccable skill is reachable and aborts otherwise with a clear install hint.

Human-sourced taste

Nebula's curated content — typefaces, palettes, motion vocabularies, density schools, edge languages, and design moves — is human-authored, not LLM-generated. The point of the plugin is to replace "LLM's average taste" with curated taste; the reference pools and moves library encode that taste and grow over time.

What nebula does NOT ship

• No design language of its own. All hard design rules are impeccable's. Nebula adds greenfield-specific opinions (the 5 axes, the anchor model, the moves library).
• No multi-page output. Narrow scope by design: one page (typically a home page). Multi-page is out of scope for v0.x.
• No closed brief vocabulary. The user's input is open. The agent reasons about it in public.

Status

v0.1.0 — initial scaffold.

License

Apache-2.0