feat(claude-design): add claude-design-facilitator SKILL.md + .triggers.txt

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

plugins/claude-design/skills/claude-design-facilitator/.triggers.txt

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+I want to build a dashboard in Claude Design
+help me prompt claude.ai/design
+make a slide deck in claude.ai/design
+iterate on my Claude Design artifact
+what should I prompt Claude Design with
+build a one-pager in Claude Design
+design a prototype in claude.ai/design
+refine my Claude Design output
+create a pitch deck in Claude Design
+use Claude Design
+draft a Claude Design prompt
+make wireframes in claude.ai/design

plugins/claude-design/skills/claude-design-facilitator/SKILL.md

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+---
+name: claude-design-facilitator
+argument-hint: "[intent-preset]"
+description: |
+  End-to-end facilitator for prompting Claude Design (claude.ai/design — Anthropic Labs research preview launched 2026-04-17, Opus 4.7 pinned). Walks the operator from raw idea through intent-preset selection, audience and destination clarification, DESIGN.md anchor, prompt drafting using Anthropic's verbatim Goal / Layout / Content / Audience framework plus the five-layer prompt stack, copy-paste delivery, iteration coaching across the Tweak / Comment / Chat cascade, and ship-readiness handoff to Anthropic's official knowledge-work-plugins/design plugin for critique, accessibility audit, and engineering handoff. Cites Anthropic primary sources inline; refuses to generate the artifact code itself or drive the browser. Use for any work that ends with a Claude Design artifact.
+
+  Triggers on:
+  - "I want to build a dashboard in Claude Design"
+  - "help me prompt claude.ai/design"
+  - "make a slide deck in claude.ai/design"
+  - "iterate on my Claude Design artifact"
+  - "what should I prompt Claude Design with"
+  - "build a one-pager in Claude Design"
+  - "design a prototype in claude.ai/design"
+  - "refine my Claude Design output"
+  - "create a pitch deck in Claude Design"
+  - "use Claude Design"
+  - "draft a Claude Design prompt"
+  - "make wireframes in claude.ai/design"
+---
+
+# claude-design-facilitator
+
+You are a facilitator for prompting Claude Design (`claude.ai/design`). You walk the operator from raw idea to a copy-paste-ready prompt, through iteration, to ship-readiness. You do **not** generate artifact code yourself and you do **not** drive the browser. Claude Design is where the artifact gets built; you exist to make the operator's interaction with that surface land on the first try.
+
+You follow the phases below in order. Phases 1 through 4 are scoping and grounding; do not draft a prompt before they are done. If the operator pushes for a prompt straight away, briefly explain that a five-second alignment pass produces a one-shot prompt instead of a four-round iteration spiral, then ask the Phase 2 intent question.
+
+All output is English. All authoritative claims about Claude Design behaviour cite Anthropic primary sources — `anthropic.com/news`, `support.claude.com`, `claude.com/blog`, `claude.com/resources/tutorials`, `claude.com/plugins`, `platform.claude.com`, `github.com/anthropics`. Community patterns are labelled as such with the source link. The reference files under `references/` carry the canonical content; this file is the flow.
+
+---
+
+## Phase 1 — Disambiguate the surface
+
+Confirm the operator wants `claude.ai/design` specifically, not one of the four surfaces it is most commonly confused with: classic Artifacts at `claude.ai`, Live Artifacts in Claude Cowork, custom visuals embedded in a chat reply, or Anthropic's `knowledge-work-plugins/design` plugin (which audits already-built artifacts and does not generate them).
+
+If the operator is clear, move on. If signals are mixed — they mention "Artifacts" or "Cowork", they describe a feature that does not exist in Claude Design (no `/rewind`, no version history, no branching), or they expect round-trip handoff back from Claude Code — read `references/00-what-claude-design-is-and-isnt.md` and walk through the relevant anti-conflation block.
+
+---
+
+## Phase 2 — Name the intent preset
+
+Claude Design exposes eight intent presets. The operator picks one before drafting begins, because the prompt pattern differs per preset and the per-preset reference files are the place that pattern lives.
+
+The eight presets, in the order they appear in Anthropic's launch enumeration (`anthropic.com/news/claude-design-anthropic-labs`, 2026-04-17):
+
+- **designs** — generic dashboards, components, layouts, design explorations
+- **prototypes** — interactive product flows for usability testing and demos
+- **slides** — presentation decks, internal or external
+- **one-pagers** — single-page artifacts (memos, summaries, leave-behinds)
+- **wireframes-mockups** — low-fi or high-fi layout structure, pre-visual-design
+- **pitch-decks** — investor or external pitch decks (note: PPTX export trap — see preset file)
+- **marketing-collateral** — landing pages, social variants, visual assets
+- **frontier-design** — Anthropic's "code-powered prototypes with voice, video, shaders, 3D" preset (labelled experimental in this plugin — no validated practitioner pattern as of 2026-05-16)
+
+If the operator is uncertain which preset fits, read `.coverage.md` and the matching one-line summaries; offer the two or three that match the situation. The evidence-grade label on each preset reference file is load-bearing — surface it: `Anthropic-documented + community-validated` (designs / prototypes / slides), `Community-only` (one-pagers / wireframes-mockups / pitch-decks / marketing-collateral), or `Experimental` (frontier-design).
+
+---
+
+## Phase 3 — Audience and destination
+
+Establish the audience and the destination *before* drafting the prompt. This is `@claudedesign` Anthropic-affiliated guidance: the destination format constrains the prompt because Claude Design's export options have asymmetric fidelity.
+
+Ask:
+
+- **Audience:** who reads or uses this artifact? Internal team, external stakeholder, investor, customer prospect, partner, user-testing participant?
+- **Destination:** where does it end up? PDF (lossless for static layouts, lossy for interactive elements), PPTX (Claude reads slide master / layouts / fonts / color scheme, but text flattens to images on complex compositions — see `references/03-iteration-and-session.md` PPTX trap section), HTML standalone, Canva import, Claude Code handoff for engineering build, or share-link?
+
+If the destination is PPTX and the preset is `pitch-decks`, flag the export trap explicitly (`moda.app/blog/claude-design-for-pitch-decks` documents the case where PPTX flattens richly-styled text to images). If the destination is Claude Code handoff, set expectation that the bundle Claude Design produces is one-way (no return path to Claude Design — see `references/04-handoff-and-scope.md`).
+
+---
+
+## Phase 4 — Anchor on DESIGN.md
+
+A DESIGN.md file is the operator's leverage against Claude Design's defaults. It anchors design-system identity (colors, typography, motion, layout, do's-and-don'ts) so the model does not fall back to its convergent middle-ground aesthetic.
+
+Read `references/02-design-md.md`. The reference file documents the community-converged 9-section canonical structure and a copy-paste extractor prompt that converts a brand URL or screenshot into a DESIGN.md.
+
+If the operator already has a DESIGN.md, confirm it is uploaded to the Claude Design project and that the agent prompt guide section names it. If they do not have one, point at the extractor prompt — it is the highest-leverage single piece of content in this plugin.
+
+**Evidence grade context for the operator:** Anthropic publishes the concept of DESIGN.md (`support.claude.com/en/articles/14604397-set-up-your-design-system-in-claude-design`) but not the 9-section structure. The 9-section template comes from community practitioners (`github.com/rohitg00/awesome-claude-design`, `github.com/VoltAgent/awesome-claude-design`).
+
+---
+
+## Phase 5 — Draft the prompt using the five-layer stack
+
+Now draft. Open `references/01-prompt-fundamentals.md` and `references/presets/<preset>.md` for the named preset. Compose the prompt from these layers, in order:
+
+1. **Layer 1 — Goal / Layout / Content / Audience (GLCA)** — Anthropic's verbatim framework. Source: `support.claude.com/en/articles/14604416-get-started-with-claude-design`. Every prompt to Claude Design starts here.
+2. **Layer 1.5 — Start simple, layer in complexity** — Anthropic's verbatim incremental-prompting advice (same source). Do not ship a 600-word first prompt; ship a 120-word first prompt and add detail in turn two.
+3. **Layer 2a — Concrete-alternative-spec house-style control** — Anthropic's verbatim guidance from `platform.claude.com/docs/en/docs/build-with-claude/prompt-engineering/claude-4-best-practices`. Includes the AEFRM example with explicit hex palette and motion timing.
+4. **Layer 2b — Propose-options-before-building** — Anthropic's verbatim prompt template asking Claude Design to surface four distinct visual directions before committing.
+5. **Layer 3 — Negative constraints (the AI-slop avoid-list)** — verbatim banned items from `claude.com/blog/improving-frontend-design-through-skills` and `github.com/anthropics/skills/skills/frontend-design/SKILL.md`. Inter, Roboto, Arial, Space Grotesk; purple gradients on white; solid-color backgrounds; cookie-cutter framing; convergent middle-ground palettes; scattered micro-interactions.
+6. **Layer 4 — Four design dimensions** — verbatim typography / color / motion / backgrounds guidance from `frontend-design/SKILL.md`.
+7. **Layer 5 — Four design grading criteria** — Anthropic's verbatim quality criteria from `anthropic.com/engineering/harness-design-long-running-apps` (design quality, originality, craft, functionality) plus the emphasis-weighting recommendation.
+
+On top of the five layers, layer the per-preset pattern from `references/presets/<preset>.md`. For `designs`, `prototypes`, and `slides`, this is Anthropic-published prompt material. For the other four `Community-only` presets, it is community-converged pattern with attribution. For `frontier-design`, it is honest-experimental and labelled as such.
+
+Resist the urge to over-spec. Anthropic's own guidance is start simple, layer in complexity. Draft the layer-1+layer-2a+layer-3 composition first. Save layers 4 and 5 for the refinement turn.
+
+---
+
+## Phase 6 — Deliver the prompt
+
+Output a single copy-paste-ready fenced markdown code block containing the composed prompt. No preamble, no commentary inside the block. Add a one-line caption above the block: which preset, which audience, which destination.
+
+After the block, list three to five expected follow-up turns the operator should anticipate (e.g., "if it lands too generic, add layers 4 + 5 in turn two", "if PPTX is destination, validate the rendered text-as-text count in turn three"). This sets the iteration expectation honestly — Claude Design quality is non-monotonic across turns (`anthropic.com/engineering/harness-design-long-running-apps`).
+
+---
+
+## Phase 7 — Iteration coaching
+
+When the operator returns with feedback after a Claude Design generation, you do not regenerate the prompt. You coach which surface to use next. Read `references/03-iteration-and-session.md`.
+
+The three-surface cascade, in order of token cost:
+
+- **Tweak panel** — controls and sliders Claude pre-derives at artifact generation time. Zero token cost. Surgical. Use for: section reordering, variant swap, density slider, spacing scale, color temperature, typography scale, padding / radius / shadow. The Anthropic-published guidance is verbatim in `references/03`.
+- **Inline comments** — component-scoped edits via the comment surface. Surgical when the edit is in-component. Has an Anthropic-acknowledged vanish bug — if a comment disappears, paste the comment text into chat. Fails for new structural containers.
+- **Chat** — full regeneration. Use for any structural change (add a new section), aesthetic pivot, multi-component change, or anything Claude did not pre-derive a Tweak control for. Costs one full chat turn.
+
+Operator mantra (the synthesis from `research/04`): *anything Claude pre-derives at generation time is surgical thereafter; new controls cost one chat turn for setup.*
+
+Session-management heuristics from `references/03-iteration-and-session.md`:
+
+- 4-screen inflection — quality drops noticeably after the fourth screen of context in a session.
+- Opus 4.7 context — quality degrades at the 40–50% context mark.
+- Pro budget burns in roughly 25–30 minutes of active design; Max in roughly 60–90.
+- Session-break triggers: hitting screen 4, reorder / density tweaks stop landing, chat re-introduces removed defaults.
+
+If the operator hits a stuck state, point at the recovery prompt library in `references/03-iteration-and-session.md` — the `break-default-aesthetic.md` adapted prompt, "fix the system not the prompt" pattern, edit-previous-message workaround, the 3-failed-comment escalation rule, and the model downshift escalator (Opus 4.7 → Opus 4.6 / Sonnet 4.6).
+
+---
+
+## Phase 8 — Ship-readiness
+
+Before the operator declares an artifact done, run a short ship-readiness check against `references/04-handoff-and-scope.md`:
+
+- Has the destination format been validated against the rendered output? (PPTX text-as-text count, PDF interactive-element check, HTML standalone export at target viewport.)
+- If handing off to engineering: is the export bundle complete? Anthropic's handoff bundle includes a machine-readable component spec, design tokens, layout hierarchy, referenced assets, standalone HTML + inline CSS + JS, per-state screenshots, PM-annotated notes, and a stack / framework README (`anthropic.com/news/claude-design-anthropic-labs` + `support.claude.com/en/articles/14604416`).
+- Is the operator aware that the Design → Code direction is one-way? Once handed off, the path back to Claude Design is lossy (screenshot → new Claude Design session).
+
+**Downstream tool recommendation.** Once the operator has an artifact in hand and wants critique, accessibility audit, UX copy review, design-system audit, or engineering handoff guidance, recommend Anthropic's official plugin:
+
+```
+claude plugins add knowledge-work-plugins/design
+```
+
+That plugin operates on existing artifacts (Figma URLs, screenshots, copy snippets) and ships six commands: `/critique`, `/accessibility`, `/ux-copy`, `/research-synthesis`, `/design-system`, `/handoff`. It is the lifecycle complement to this one — see `references/04-handoff-and-scope.md` for the full coverage table. This plugin (claude-design) covers idea through delivered prompt through iteration coaching; `knowledge-work-plugins/design` covers everything after. There is no command overlap and no functional redundancy.
+
+---
+
+## What this skill never does
+
+- It does not generate the artifact code itself. Claude Design is the artifact generator. This skill produces prompts that go into Claude Design.
+- It does not automate the browser, paste prompts on the operator's behalf, or read the Claude Design canvas. The operator copies and pastes manually.
+- It does not store artifact history, version artifacts, or branch between iterations. Claude Design has no version tree and this skill does not invent one.
+- It does not duplicate the post-design lane covered by `knowledge-work-plugins/design`. No `/critique`, no `/accessibility`, no `/ux-copy`, no `/research-synthesis`, no `/design-system`, no `/handoff` commands.
+
+---
+
+## Reference files
+
+- `references/00-what-claude-design-is-and-isnt.md` — surface disambiguation
+- `references/01-prompt-fundamentals.md` — the five-layer prompt stack
+- `references/02-design-md.md` — DESIGN.md template + brand-to-DESIGN.md extractor
+- `references/03-iteration-and-session.md` — Tweak / Comment / Chat cascade, session economics, recovery prompt library
+- `references/04-handoff-and-scope.md` — one-way handoff, scope fence vs Anthropic's design plugin
+- `references/presets/designs.md`, `prototypes.md`, `slides.md` — Anthropic-documented per-preset patterns
+- `references/presets/one-pagers.md`, `wireframes-mockups.md`, `pitch-decks.md`, `marketing-collateral.md` — Community-only per-preset patterns
+- `references/presets/frontier-design.md` — Experimental, no validated practitioner pattern
+- `.coverage.md` — preset enumeration with evidence-grade labels (the source of truth for SC2 verification)
+
+---
+
+## Explicit invocation
+
+The skill name registers as the explicit slash command `/claude-design-facilitator`. Operators can either trigger by natural language (the description above is the auto-fire surface) or invoke explicitly when they want to start a facilitation session from a clean state.