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open-design

AI 应用与智能体

nexu-io/open-design

🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, slides, images & video — real files, HTML/PDF/PPTX/MP4 export. 🤖 Claude Code / Codex / Cursor / DeepSeek Harness / OpenCode & 20+ CLIs via BYOK.

agent-skillsai-agentsai-designbyokclaude-code-for-designclaude-designcodex-designcoding-agentscursor-designdeepseek-harnessdesign-systemsdesktop-app

复现步骤

按顺序执行即可在本地跑起来;具体参数以项目 README 为准。

  1. 1

    克隆仓库到本地

    git clone --depth 1 https://github.com/nexu-io/open-design.git
    cd open-design
  2. 2

    安装 Node 依赖并启动开发服务

    npm install && npm run dev

为什么这个项目容易复现

72
开箱即用
  • README 有明确的安装/快速开始章节
  • 有明确的依赖清单,环境可还原
  • 有独立文档目录
  • Apache-2.0 许可证,可放心使用
  • 有正式 Release 版本
  • Release 附带可直接下载的产物
  • 两周内仍在活跃更新

项目 README

Open Design Cloud — the official model service. One recharge to use both agent and image models inside Open Design: GPT, Claude, and DeepSeek for agents; GPT Image 2.0, Seedream 5.0 Pro, and Nano Banana 2.0 for images.

🚀 DeepSeek V4 Flash and V4 Pro are now available. Put top-tier intelligence to work across prototypes, decks, design systems, and everyday agent tasks. Open Design members can use both models without limits for two weeks, directly inside the app.

🧩 DeepSeek Harness is now supported. Connect DeepSeek's official dsh agent harness to Open Design as a native runtime, with structured thinking, tool calls, model discovery, cancellation, and session resume. Generated files stay in the Open Design workflow for live preview and delivery.


What is Open Design

🎨 The open-source Claude Design alternative.  🖥️ Local-first native desktop app for macOS and Windows.  ⚡ Composable skills, brand-grade DESIGN.md design systems, and ready-to-use plugins.  🖼️ Generates web · desktop · mobile prototypes, live dashboards / artifacts, decks, images, video, plus HyperFrames motion graphics. 🔒 Sandboxed iframe preview · HTML / PDF / PPTX / MP4 export.  🤖 Runs on DeepSeek Harness (dsh) · Claude Code · OpenClaw · Codex · Cursor · OpenCode · Qwen · Copilot · Amp · Hermes · Kimi · Antigravity and 26 distinct local CLI executables, or any OpenAI-compatible endpoint via BYOK.

Open Design is what you get when the agent-native loop Anthropic shipped with Claude Design — discover the brief, lock the direction, stream the artifact, critique, deliver — stops being closed and becomes a filesystem of functional skills, rendering design templates, design systems, and plugins that the coding agents already on your laptop can read, write, and remix. Your CLI becomes the design engine, your laptop becomes the studio, and your team's DESIGN.md becomes the brand contract.

It's also the Figma alternative for the agent era — instead of pushing pixels on a canvas, it delivers single-page artifacts in real CSS, real fonts, real components, exported straight to HTML / PDF / PPTX / MP4 — already shaped by your design system, already runnable inside the agent you use every day.


Product tour

A quick look at the core Open Design workflow. Start from Home with a brief, explore reusable skills in Plugins, and turn brand references into a Design System. Then enter a project's Studio to create and refine prototypes, decks, mobile apps, images, documents, and HyperFrames in one place.

Core pages

Studio — many artifact types in one project

Inside a project's Studio, the conversation, generated files, and live preview stay together across six artifact types:


Platform Compatibility

Open Design connects to mainstream coding agents in two ways: skills, CLI, and MCP for agents that consume OD, plus native runtime adapters for agents that OD launches directly. DeepSeek Harness is a first-class native runtime through the official dsh CLI, with structured streaming, model discovery, cancellation, and session resume.

Coding agent / platform         Status   Quick setup                   
Claude Code✅ Supportedod mcp install claude
Claude Desktop✅ Supported¹od mcp install claude-desktop
Codex CLI✅ Supportedod mcp install codex
DeepSeek Reasonix✅ Supportedod mcp install reasonix
DeepSeek Harness✅ Native runtimeod agent setup deepseek-harness
Raven✅ Supportedod mcp install raven
Cursor✅ Supportedod mcp install cursor
VS Code + GitHub Copilot✅ Supportedod mcp install copilot
GitHub Copilot CLI✅ Supportedod mcp install copilot
OpenCode✅ Supportedod mcp install opencode
OpenClaw✅ Supportedod mcp install openclaw
Antigravity✅ Supportedod mcp install antigravity
Cline✅ Supportedod mcp install cline
Trae✅ Supportedod mcp install trae
Kimi CLI✅ Supportedod mcp install kimi
Kiro✅ Supportedod mcp install kiro
Pi Agent✅ Supportedod mcp install pi
Mistral Vibe CLI✅ Supportedod mcp install vibe
Hermes Agent✅ Supportedod mcp install hermes

For DeepSeek Harness, install the official dsh CLI first, then select it in Open Design or run od agent setup deepseek-harness to install/repair OD's connection component. For MCP integrations: od mcp install <agent> --print for a dry-run preview · --uninstall to remove · full list with od mcp install --help.

¹ Automatic MCP configuration for Claude Desktop is currently supported on macOS and Windows only.

No CLI installed? The BYOK proxy at POST /api/proxy/{anthropic,openai,azure,google,ollama,senseaudio}/stream gives you the same loop (no process spawn) — paste baseUrl + apiKey + model, with presets for OpenAI, Atlas Cloud, Anthropic, Azure OpenAI, Google Gemini, Ollama, LM Studio, vLLM, or any OpenAI-compatible endpoint. Atlas Cloud uses https://api.atlascloud.ai/v1 with your own key and OpenAI-compatible model ids such as qwen/qwen3.5-flash. Per-target SSRF protection blocks internal IPs / link-local / CGNAT at the daemon edge.

Runtime definitions live in apps/daemon/src/runtimes/defs/, with registration and shared stream handling under apps/daemon/src/runtimes/. See docs/agent-adapters.md for the adapter contract.


Demo

Four core product categories, all rendered by a coding agent running on your laptop. Click a thumbnail to see the real example.

1 · Prototypes — web · desktop · mobile

The default output surface. Single-page HTML artifacts that read your DESIGN.md and render in a sandboxed iframe.

2 · Live artifacts & dashboards

Live dashboards, decision rooms, KPI walls — single-page artifacts that pull data through a tweaks panel and stay editable in place.

3 · Decks — magazine decks, weekly updates, pitches

Every deck exports to HTML (single file, inlined assets), PDF (browser print, deck-aware), PPTX (agent-driven skill), ZIP (archive), or Markdown.

4 · Images — gpt-image-2, ImageRouter, custom API

93 ready-to-replicate prompts live in prompt-templates/ — preview thumbnails, full prompt body, target model, aspect ratio, and source attribution. One click drops a brief into the composer.

5 · Video & HyperFrames — agent-native motion graphics

HyperFrames is HeyGen's open-source, agent-native video framework, integrated as a first-class citizen in Open Design. The agent writes HTML + CSS + GSAP, and HyperFrames renders it to a deterministic MP4 via headless Chrome + FFmpeg. Pair it with Seedance 2.0 for cinematic t2v / i2v, Veo 3 / Sora 2 / Kling 2 for routed model variants, and Suno v5 / Lyria 2 for the audio layer.

11 HyperFrames templates + 39 Seedance prompts ship with the repo. Catalog thumbnails © HeyGen; the framework is Apache-2.0. The OD-specific render workflow (composition cache, sandbox-exec workaround, MP4-as-chip) is detailed in design-templates/hyperframes/.


Why Open Design

In April 2026, Anthropic released Claude Design — the first time an LLM stopped writing prose and started delivering design artifacts directly. It went viral. But it stayed closed-source, paid-only, cloud-only, locked to Anthropic's model, Anthropic's skills, Anthropic's surface. No checkout, no self-host, no Vercel deploy, no swap-in-your-own-agent.

Open Design (OD) is the open-source alternative. Same loop, same artifact-first mental model, none of the lock-in:

  • 🤖 Agent-native, model-agnostic. We don't ship an agent. The claude / codex / cursor-agent / copilot / hermes / kimi already on your PATH are the design engine. Swap with one click.
  • 🧠 Brand-grade by default. Every render reads the active package's DESIGN.md as the core brand contract. 151 design-system packages ship with the repo; legacy packages may be DESIGN.md-only, while newer packages can add manifest.json, tokens.css, components, assets, and provenance. Drop a folder in, the picker finds it.
  • 🖥️ Local-first, BYOK at every layer. Native desktop apps for macOS (Apple Silicon + Intel) and Windows (x64). Linux AppImage on the optional release lane. Product analytics and session replay are consent-gated; scrubbed safety and reliability telemetry is always on. Before describing daemon data paths, contributors and operators MUST read AGENTS.mdDaemon data directory contract. This README MUST NOT restate it.
  • 🌍 Composable on four planes. Plugins carry runnable workflows · functional skills carry agent behavior · design templates carry rendering blueprints · design systems carry the brand. All four use portable, versionable directories that anyone can author and publish.
  • 🔁 Refresh an existing codebase. Hand a git repo + DESIGN.md to the agent and it refactors your real components to the brand spec. Dedicated plugins migrate Figma / Pencil workflows into React / Next.js / Vue code.
  • 🔒 Privacy by conviction. Everything runs where your data lives — your laptop, your team's server, your Vercel project. When the network is needed, the BYOK proxy is SSRF-guarded.

Comparison

Claude DesignFigmaLovable / v0 / BoltOpen Design
Open source✅ Apache-2.0
Self-host / desktop✅ macOS + Windows + Docker + Vercel web
Agent-native (runs in your CLI)Anthropic onlyCloud agent only✅ 25 CLIs + BYOK
Brand-grade DESIGN.mdProprietaryTheme JSONLimited tokens✅ 151 systems shipped
Skills / plugins / templatesClosedPlugin storeClosed✅ 100+ functional skills · rendering templates · 277 plugins
HyperFrames (HTML→MP4)✅ First-class
Refresh an existing repo to brand✅ via agent + DESIGN.md
Minimum billingPro / Max / TeamPro / OrgPro / TeamBYOK · any compatible endpoint

Quick start

🖥️ Download the desktop app (recommended — zero config)

The fastest way to use Open Design. No Node, no pnpm, no clone.

After install: the app auto-detects every coding-agent CLI on your PATH, loads 100+ functional skills, the separate rendering-template catalog, and 151 design systems, and lets you type a brief in the entry view.

🤖 Install into your coding agent (no UI)

You can use Open Design without ever opening the GUI — call it as a skill, plugin, or MCP server inside Claude Code, Codex, Cursor, Copilot, OpenClaw, Antigravity, Hermes, Kimi, and more.

If you installed the macOS desktop app via the DMG or Homebrew cask, your shell may still resolve od to Apple's built-in /usr/bin/od octal-dump utility. In that case, open Settings → MCP server in the desktop app and copy the client-specific snippet; it uses absolute paths and does not rely on the bare od command.

# One-line install into the agent you're using:
od mcp install <agent>
# <agent> = claude | codex | reasonix | raven | cursor | copilot | openclaw
#         | antigravity | pi | vibe | hermes | cline | kimi | kiro
#         | trae | opencode

# Hosted equivalent for curl-based setup:
curl -fsSL https://open-design.ai/install.sh | sh -s <agent>

install.sh is a thin shell wrapper around od mcp install; it exists so the hosted URL returns shell instead of the landing-page HTML fallback and fails fast if your shell resolves a non-Open-Design od binary.

macOS / WSL2 users: /usr/bin/od is a system octal-dump command and can shadow Open Design's od command. Desktop-app users should prefer the Settings → MCP server snippet; WSL2 users should follow the WSL2 setup guide first.

Then, inside the agent:

> Use open-design to generate a landing page with the Linear design system

In a filesystem-backed local CLI run, the agent composes the selected functional skill or design template with your DESIGN.md, writes the canonical project files, and Open Design previews those files. A BYOK/plain-API run without filesystem tools instead returns one complete <artifact> block.

🐳 Run with Docker

git clone https://github.com/nexu-io/open-design.git
cd open-design/deploy
cp .env.example .env
echo "OD_API_TOKEN=$(openssl rand -hex 32)" >> .env
docker compose up -d
# open http://127.0.0.1:7456

If the browser asks for credentials, use open-design as the username and the OD_API_TOKEN value from deploy/.env as the password. This keeps Docker bridge traffic authenticated without requiring host networking. API clients can keep using Authorization: Bearer <OD_API_TOKEN>.

🚀 Deploy on Sealos

Deploy on Sealos

The Sealos App Store template runs the published Open Design Docker image with persistent workspace storage and Basic Auth on the public proxy. For custom public or shared Docker deployments, follow the reverse-proxy and OPEN_DESIGN_ALLOWED_ORIGINS guidance in deploy/README.md.

🧑‍💻 Run from source

git clone https://github.com/nexu-io/open-design.git
cd open-design
corepack enable && pnpm install
pnpm tools-dev run web

Open the URL printed by tools-dev; development ports are allocated dynamically unless you pass explicit port flags.

Node ~24, pnpm 10.33.x. WSL2 users, see docs/wsl-setup.md; native Windows users, see docs/windows-troubleshooting.md. Full quickstart, env vars, Nix flake, and packaged build flow → QUICKSTART.md.

A full workflow — from brief to artifact

brief → plugin → direction → design system → artifact → handoff → memory

  1. A PM submits a brief. The plugin picker offers landing page · pitch deck · dashboard · social post · PM spec · OKR scorecard…
  2. A designer (or the agent) locks the direction. No brand? Pick from 5 curated directions. Have a brand? Drop a screenshot / URL → the agent connects GitHub, imports Figma, and codifies a reusable DESIGN.md.
  3. The agent creates the first deliverable. Plugin + functional skill or design template + DESIGN.md are bound. Filesystem-backed CLI runs write canonical project files and the preview follows them; BYOK/plain-API runs without file tools return one complete <artifact> block.
  4. Hand off to engineering. The artifact is real HTML/CSS — drop it into Cursor, Codex, or Claude Code to keep building as code. Or export PPTX / PDF / MP4 straight to marketing.
  5. Open Design gets smarter as you use it. Your screenshots, fonts, palettes, and confirmed artifacts accumulate as defaults for the next session. Less rework, less drift.

Use Open Design from your coding agent

Open Design ships a stdio MCP server and per-agent install scripts. Any MCP-compatible agent in another repo can read files from your local Open Design projects directly — tokens CSS, JSX components, entry HTML — as a structured API queryable by name. The agent always sees the live file, not a stale export.

# One-line install (16+ CLIs supported):
od mcp install <agent>

# Then the agent can:
od project list --json
od files list <project-id> --json
od files read <project-id> <relative-path>
od plugin list --json
od skills list --json

Why MCP? Exporting and re-attaching a zip every iteration breaks flow. MCP exposes the design source directly — the agent always sees the live file.

For an agent starting from scratch, the installer places ~/.config/<agent>/open-design.json (or the platform equivalent) plus a copy-paste MCP snippet. Cursor gets a one-click deeplink; Claude Code gets a claude mcp add-json one-liner; every other agent gets JSON in the schema its config expects. On macOS desktop installs, prefer that Settings snippet over typing bare od mcp install <agent> in Terminal, because /usr/bin/od may win on PATH. Full per-agent flow → Settings → MCP server in the desktop app, or docs/agent-adapters.md.

Security model. Read-only by default, the daemon binds to 127.0.0.1, and SSRF is blocked at the proxy edge. LAN exposure requires an explicit OD_BIND_HOST plus OD_ALLOWED_ORIGINS. Connector credentials and live-artifact preview routes stay loopback-only regardless.

Internally-hosted model endpoints. To prevent SSRF, the daemon blocks provider base URLs that resolve to private/internal address ranges (RFC1918, link-local, CGNAT, and cloud-metadata IPs) by default, surfacing Internal IPs blocked. If you run an internally-hosted gateway (e.g. LiteLLM or Ollama on a VPN-only 10.x/192.168.x address), opt that host out with OD_ALLOWED_INTERNAL_HOSTS=<host1>,<host2>,... — a comma- or whitespace-separated list of bare hostnames or IPs (10.0.0.5, litellm.internal.corp; a host:port or full URL is accepted and reduced to its hostname; IPv6 must be bracketed, e.g. [fd00::1]). The allowlist is strict opt-in (empty by default), exact-host (no subdomain/substring matching), and applies only to provider endpoints you configure (connection test, model discovery, BYOK chat). It deliberately does not relax the guard on download URLs returned inside upstream responses, which stay blocked. A malformed entry — or CIDR notation, which is not supported — is dropped with a warning rather than silently trusted, so a typo never quietly widens (or fails to widen) the guard. Allowlisting a hostname trusts whatever it resolves to (like OD_ALLOWED_ORIGINS); allowlist the resolved IP instead if you want the DNS-resolved address re-checked.


Skills and design templates

100+ functional skills ship in skills/. Each follows the Agent Skills SKILL.md convention and supplies reusable agent behavior, references, or utilities. Renderable starters live separately in design-templates/; they may also use SKILL.md, but they populate the design-template catalog rather than the functional-skill registry.

Two modes anchor the design-template catalog: prototype (web/mobile/desktop single-page artifacts) and deck (horizontal-swipe presentations). Other templates cover image, video, audio, and utility surfaces. The scenario field groups templates by audience: design · marketing · operation · engineering · product · finance · hr · sale · personal.

Design templateModeScenarioWhat it produces
web-prototypeprototypedesignDefault landing page / hero
saas-landingprototypemarketingHero / features / pricing / CTA
dashboardprototypeoperationAdmin / analytics (with sidebar)
mobile-appprototypedesigniPhone 15 Pro / Pixel framed app
mobile-onboardingprototypedesignSplash · value-prop · sign-in flow
social-carouselprototypemarketing3-card 1080×1080 carousel
email-marketingprototypemarketingTable-fallback-safe brand email
magazine-posterprototypemarketingSingle-page magazine layout
motion-framesprototypemarketingLooping CSS motion hero
sprite-animationprototypemarketing8-bit pixel animated explainer
pm-specprototypeproductPM spec doc (with TOC + decision log)
team-okrsprototypeproductOKR scorecard
eng-runbookprototypeengineeringIncident runbook
finance-reportprototypefinanceExec finance summary
hr-onboardingprototypehrRole onboarding plan
guizang-pptdeckmarketingMagazine-style web PPT (deck default)
html-ppt-*deckmarketing15 deck templates × 36 themes (master template in design-templates/html-ppt/)
hyperframesvideomarketingHTML → MP4 motion graphics (HeyGen OSS framework)
critiqueutilitydesignFive-dimensional self-critique scoresheet
tweaksutilitydesignAI-emitted tweaks-panel manifest

Full protocol and directory split → docs/skills-protocol.md. Registry endpoints: GET /api/skills for functional skills and GET /api/design-templates for rendering templates.


Design Systems

151 brand-grade design-system packages centered on DESIGN.md ship with the repo. Legacy packages may contain only that Markdown contract; newer packages can also carry manifest.json, compiled tokens.css, component fixtures, assets, and provenance evidence. The catalog mixes upstream-derived systems with project-owned additions; design-systems/README.md records the package shape and provenance. Switch a system → the next render uses the new tokens.

AI & LLMclaude · cohere · mistral-ai · minimax · together-ai · replicate · runwayml · elevenlabs · ollama · x-ai

Developer Toolscursor · vercel · linear-app · framer · expo · clickhouse · mongodb · supabase · hashicorp · posthog · sentry · warp · webflow · sanity · mintlify · lovable · composio · opencode-ai · voltagent

Productivitynotion · figma · miro · airtable · superhuman · intercom · zapier · cal · clay · raycast

Fintechstripe · coinbase · binance · kraken · mastercard · revolut · wise

E-commerceshopify · airbnb · uber · nike · starbucks · pinterest

Mediaspotify · playstation · wired · theverge · meta

Automotivetesla · bmw · ferrari · lamborghini · bugatti · renault

Otherapple · ibm · nvidia · vodafone · resend · spacex

Startersdefault (Neutral Modern) · warm-editorial

Re-import the library via scripts/sync-design-systems.ts. Add your own brand → drop a DESIGN.md into design-systems/<brand>/. Full guide → design-systems/README.md.


Plugins

277 official plugins plus 183 remixable reference examples live in plugins/_official/. Each entry is a portable plugin directory anchored by open-design.json plus the payload required by its type: for example SKILL.md for agent workflows, template.json for media templates, or DESIGN.md for design-system entries. Jump straight to a category:

CategoryCountContents
scenarios/13Complete design scenarios — od-default, od-design-refine, od-figma-migration, od-code-migration, od-react-export, od-nextjs-export, od-vue-export, od-media-generation, od-new-generation, od-tune-collab, od-plugin-authoring, od-share-to-community, od-web-effect-extractor
image-templates/45One-shot image prompts — editorial, cinematic, product, portrait
video-templates/63HyperFrames / Seedance / Veo motion templates
design-systems/143Brand DESIGN.md wrapped as plugins
atoms/13Reusable UI fragments (buttons, heroes, KPI cards)
examples/183Remixable reference outputs

Also plugins/community/ for community plugins and plugins/registry/ for the publishing flow.

What plugins can do

  • 🤖 Run in any coding agentClaude Code, Codex, Cursor, Copilot, OpenClaw, Antigravity, Hermes, Kimi… through the same skill protocol the agent already knows.
  • 🔁 Migrate Figma / Pencil workflows → React, Next.js, or Vue source. See od-figma-migration.
  • 🛠️ Refresh an existing codebase to a brand spec — point a plugin at a git repo + DESIGN.md, get a PR. See od-code-migration.
  • 💾 Persist custom workflows — your team's reusable templates sit next to the shipped ones.

Using plugins

Plugins are at full parity across the web UI and the od CLI — same /api/plugins endpoints, pick whichever fits.

In the desktop / web app: open the Plugin page to browse the marketplace and click Install; inside a project's Studio, plugins appear as composer chips you click to apply (with the inputs they declare).

On the command line (runs without a UI — this is the path external agents use):

od plugin list                       # list installed plugins (--task-kind / --mode / --tag filters)
od plugin search "landing page"      # search by keyword
od plugin info od-default            # inspect a plugin's metadata, inputs, capabilities
od plugin install od-figma-migration # install from a registry; also accepts ./local-folder or an https://… link
od plugin apply od-default --input brief="a one-page pitch for our seed round"
od plugin upgrade od-default         # upgrade
od plugin uninstall od-default       # uninstall

Every command supports --json, so you can pipe it through jq / xargs into automation.

Building a plugin

An Open Design plugin requires open-design.json plus the payload required by its type. A workflow skill or scenario also includes SKILL.md; manifest-only template and design-system entries use their own payloads instead:

my-plugin/
├── open-design.json    ← required: marketplace metadata + inputs + pipeline + capabilities
├── SKILL.md            ← required for agent-skill/scenario entries; omitted for other plugin types
├── README.md           ← optional: usage, install, registry links
├── preview/            ← optional: index.html / poster.png (strongly recommended for visual plugins)
└── examples/           ← optional: concrete use cases

Core open-design.json fields: specVersion (currently 1.0.0), name (stable ID), version (semver), optional compat.agentSkills[].path (points at ./SKILL.md when the entry exposes an Agent Skill), od.kind (skill / scenario / atom / bundle), od.taskKind (new-generation / figma-migration / code-migration / tune-collab), od.mode (the output surface, e.g. prototype / deck / live-artifact / image / video / hyperframes / audio / design-system / scenario), od.capabilities[] (declare the minimum — a restricted install grants only prompt:inject by default), od.inputs[] (apply-time parameters).

Scaffold + validate locally:

od plugin scaffold --id my-plugin --title "My Plugin"   # generate the skeleton
od plugin validate ./my-plugin                          # check manifest / file layout
pnpm guard && pnpm --filter @open-design/plugin-runtime typecheck

Full field set and runtime contract → plugins/spec/SPEC.md; developing a plugin with a coding agent → plugins/spec/AGENT-DEVELOPMENT.md; copy-paste minimal templates → plugins/spec/examples/.

Contributing a plugin

  1. Drop the plugin folder into plugins/community/ (third-party plugins), or — to ship it bundled with Open Design — into the matching tier of plugins/_official/.
  2. Pass validation: od plugin validate, pnpm guard, pnpm --filter @open-design/plugin-runtime typecheck.
  3. Fill the PR using the template in plugins/spec/CONTRIBUTING.md (ID, version, lane, mode, capabilities, trigger examples; attach a screenshot / preview for visual plugins).
  4. To publish to an external registry (skills.sh / ClawHub / standalone GitHub) → plugins/spec/PUBLISHING-REGISTRIES.md.

Plugin registry endpoint: GET /api/plugins. Directory overview → plugins/README.md (简体中文).


Architecture

┌────────────────── browser (Next.js 16) / Electron shell ──────────────┐
│  chat · file workspace · iframe preview · settings · import · MCP     │
└──────────────┬─────────────────────────────────────┬─────────────────┘
               │ /api/*                              │
               ▼                                     ▼
   ┌─────────────────────────────────┐   /api/proxy/{provider}/stream (SSE)
   │  local daemon (Express+SQLite)  │   ─→ any OpenAI-compatible BYOK,
   │                                  │       SSRF-guarded at the edge
   │  /api/skills    /api/design-templates    /api/plugins    │
   │  /api/design-systems            │
   │  /api/chat (SSE)   /api/proxy/* │
   │  /api/projects/:id/files/...    │
   │  /api/artifacts/{save,lint}     │
   │  /api/import/claude-design      │
   │  MCP stdio server                │
   └─────────┬───────────────────────┘
             │ spawn(cli, [...], { cwd: managed project cwd })
             ▼
   ┌──────────────────────────────────────────────────────────────────┐
   │  Local runtime definitions come from runtimes/registry.ts;                 │
   │  the base registry has 27 definitions (including byok-opencode),           │
   │  backed by 26 distinct local CLI executables because byok-opencode shares │
   │  the OpenCode executable. See docs/agent-adapters.md.                     │
   │  composes a functional skill or design template + DESIGN.md; writes files │
   └──────────────────────────────────────────────────────────────────┘
LayerStack
FrontendNext.js 16 App Router + React 18 + TypeScript
DaemonNode 24 · Express · SSE streaming · better-sqlite3
StorageBefore changing or documenting daemon storage paths, you MUST read AGENTS.mdDaemon data directory contract. This README MUST NOT restate it.
PreviewFilesystem runs render canonical project files; BYOK/plain-API runs parse one complete <artifact> block into a sandboxed srcdoc iframe
ExportHTML (inlined) · PDF (browser print) · PPTX (agent-driven) · ZIP · Markdown · MP4 (HyperFrames)
DesktopElectron shell + sandboxed renderer + sidecar IPC (STATUS · EVAL · SCREENSHOT · CONSOLE · CLICK · SHUTDOWN)
LifecycleOne entry point: pnpm tools-dev (start / stop / run / status / logs / inspect / check)

Full architecture → docs/architecture.md. Skill protocol → docs/skills-protocol.md. Agent adapter contract → docs/agent-adapters.md.


Roadmap

  • Daemon + 27 runtime definitions across 26 distinct coding-agent CLI executables + skill/design-template registries + design-system catalog
  • Web app + chat + question form + 5-direction picker + todo progress + sandboxed preview
  • 100+ functional skills · separate rendering-template catalog · 151 design-system packages · 5 visual directions · 5 device frames
  • SQLite-backed projects · conversations · messages · tabs · templates
  • Multi-provider BYOK proxy (/api/proxy/{anthropic,openai,azure,google,ollama,senseaudio}/stream) with OpenAI-compatible presets including Atlas Cloud + SSRF guard
  • Claude Design ZIP import (/api/import/claude-design)
  • Sidecar protocol + Electron desktop + IPC automation
  • Artifact lint API + 5-dim self-critique pre-emit gate
  • 0.8.0 — plugin marketplace infrastructure (261 official plugins, manifest spec, per-agent install scripts)
  • 0.9.0 — Open Design Cloud (official model service built into the app: zero config, one-click sign-in)
  • 0.10.0 — the all-in-one design workspace: the whole craft loop in one window (references → material → interactive editing → motion → handoff)
  • 0.11.0The Bazaar: built in the open — a community marketplace of plugins and design systems anyone can pick from and contribute to
  • 0.12.0Brand-backed Design System: turn the brand you already own into a reusable, portable DESIGN.md system
  • 0.13.0Stay in Flow: native session resume, faster model picking, and export straight to screenshot-backed PPTX / PDF
  • Packaged Electron builds — macOS (Apple Silicon + Intel) + Windows (x64) + Linux AppImage (optional lane)
  • Comment-mode surgical edits — partially shipped; reliable targeted patching in progress
  • AI-emitted tweaks panel UX — not yet implemented
  • npx od init to scaffold a project with DESIGN.md
  • Plugin SDK + od plugin {add,list,remove,test,publish} CLI
  • Figma / Pencil → React / Next / Vue migration plugins (alpha)
  • Refresh-existing-codebase plugin (point at a git repo + DESIGN.md)

Phased delivery → docs/roadmap.md.


Community

Real people behind every channel.

  • 💬 Discord — daily chat, plugin sharing, questions → discord.gg/mHAjSMV6gz
  • 🐦 X / Twitter — release notes, milestones, behind the scenes → @OpenDesignHQ
  • 🗣️ GitHub Discussions — deep Q&A, RFCs, "show your work" → Discussions
  • 🐛 GitHub Issues — bug reports, feature requests → Issues

The good-first-issue and help-wanted labels are the easiest way in.


Contributing

Open Design keeps moving because contributors — designers, engineers, prompt authors — keep showing up. Many of the most-used skills, design systems, and plugins were written by people outside the core team.

🎯 Where to start (max leverage, min change)

Want to ship…HowWhere
A new functional skillDrop a folder with SKILL.md + optional assets/ + references/skills/ · spec in docs/skills-protocol.md
A new rendering design templateAdd a renderable SKILL.md bundledesign-templates/
A new design systemDrop a package centered on DESIGN.md; add manifest.json, tokens.css, components, assets, or provenance when neededdesign-systems/<brand>/
A new pluginDrop open-design.json + the type-specific payload under a category folderplugins/community/ · spec in plugins/spec/SPEC.md · agent dev guide in plugins/spec/AGENT-DEVELOPMENT.md
Support a new coding-agent CLIOne runtime definition + registry entry; add a parser only for a new wire formatapps/daemon/src/runtimes/defs/
Fix a bug or polish UIBrowse the good-first-issue labelIssues →
Translate the docsUpdate the README.<lang>.md filesTRANSLATIONS.md

🤖 Contributing as an agent

If you are the agent reading this, the fastest path is:

# 1. Boot locally
git clone https://github.com/nexu-io/open-design.git
cd open-design && corepack enable && pnpm install
pnpm tools-dev run web

# 2. Find a good-first-issue and assign yourself
gh issue list --label "good first issue" --state open --limit 20
gh issue develop <number>   # create a branch and worktree

# 3. Make the change, run the checks
pnpm guard && pnpm typecheck
pnpm --filter @open-design/<package> test

# 4. Open the PR
gh pr create --fill

Full agent-friendly contribution flow, code style, and PR bar → CONTRIBUTING.md (Deutsch · Français · 简体中文 · 日本語 · 한국어 · Português · ภาษาไทย).

🏅 Open Design Fellow program

We're recruiting Open Design Fellows around the world — Fellows shape the product alongside the core team, represent Open Design officially in their region, and grow the community locally, backed by funded support ($1,000 / MR), free LLM credits, and a direct review track. Details → MAINTAINERS.md and the announcement on Discord.


Maintainers

They carry a lot of the load — daily maintenance, review, and community support.

Maintainer rules, promotion criteria, and the exit protocol → MAINTAINERS.md (also Deutsch · Français · 简体中文 · 日本語 · 한국어 · Português · ภาษาไทย).

Contributors

Thanks to everyone who has taken part — code, docs, feedback, a sharp issue, a new skill, a new design system.


Repository activity

The SVG above is regenerated daily by .github/workflows/metrics.yml using lowlighter/metrics.


Star us

If this saved you thirty minutes, give it a ★. Stars don't pay rent — but they tell the next designer, agent, and contributor that this experiment is worth their attention. One click, three seconds, a real signal.


References & lineage

ProjectRole
Claude DesignThe closed-source product this repo is the open-source alternative to.
alchaincyf/huashu-designThe design-philosophy compass — junior-designer workflow, brand-asset protocol, anti-AI-slop checklist, five-dimensional critique.
op7418/guizang-ppt-skillThe magazine-style web PPT skill, bundled verbatim under design-templates/guizang-ppt/. Default for deck mode.
lewislulu/html-ppt-skillThe HTML PPT Studio family — 15 deck templates, 36 themes, 31 page layouts, animation runtime, magnetic-card presenter mode.
OpenCoworkAI/open-codesignThe first open-source Claude Design alternative; UX patterns we borrow (streaming-artifact loop, sandboxed iframe, live agent panel).
multica-ai/multicaThe daemon + adapter architecture — PATH-scan agent detection, local daemon as the only privileged process.
VoltAgent/awesome-design-mdHistorical source of the original 9-section DESIGN.md schema and 70 upstream-derived systems; current packages may extend that baseline.
bergside/awesome-design-skillsSource of the 57 design skills added under design-systems/.
heygen-com/hyperframesThe HTML→MP4 motion-graphics framework, integrated as the first-class hyperframes-html in Open Design.
Claude Code skillsThe SKILL.md convention we adopt verbatim.

Detailed provenance → docs/references.md.

License

Apache-2.0. Bundled skills and templates with their own LICENSE files retain those licenses, including design-templates/guizang-ppt/ (MIT, @op7418), design-templates/html-ppt/ (MIT, @lewislulu), and skills/web-clone/ (MIT, @Jane-xiaoer).

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