OpenPencil CLI
Last updated
The command-line companion of OpenPencil, the open-source AI-native vector design tool.
Install with winget
$ winget install --id ZSeven-W.OpenPencil.CLI --exact --version 0.8.4Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.
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About
OpenPencil is an AI-native vector design tool with multi-agent workflows, a built-in MCP server, Figma import, and design-to-code export.
Why OpenPencil
🎨 Prompt → Canvas
Describe any UI in natural language. Watch it appear on the infinite canvas in real-time with streaming animation. Modify existing designs by selecting elements and chatting.
🤖 Concurrent Agent Teams
The orchestrator decomposes complex pages into spatial sub-tasks. Multiple AI agents work on different sections simultaneously — hero, features, footer — all streaming in parallel with per-member canvas indicators.
🧠 Multi-Model Intelligence
Automatically adapts to each model's capabilities. Claude gets full prompts with thinking; GPT-4o/Gemini disable thinking; smaller models (MiniMax, Qwen, Llama) get simplified prompts for reliable output.
🔌 MCP Server
One-click install into Claude Code, Codex, OpenCode, Kiro, or Copilot CLIs. Design from your terminal — read, create, and modify .op files through any MCP-compatible agent.
🎨 Style Guides
Built-in style guide library with tag-based fuzzy matching. Apply visual styles (glassmorphism, brutalist, retro, etc.) to AI-generated designs. MCP tools for external agent access.
📦 Design-as-Code
.op files are JSON — human-readable, Git-friendly, diffable. Design variables generate CSS custom properties. Code export to React + Tailwind or HTML + CSS.
🖥️ Runs Everywhere
Web app + native desktop on macOS, Windows, and Linux — one Rust core, a single self-contained binary, no browser engine. .op file association — double-click to open.
⌨️ CLI — op
Control the design tool from your terminal. op design, op insert — batch design DSL, node manipulation. Pipe in from files or stdin. Works with desktop app or web server.
🎯 Multi-Platform Code Export
Export to React + Tailwind, HTML + CSS, Vue, Svelte, Flutter, SwiftUI, Jetpack Compose, React Native — all from one .op file. Design variables become CSS custom properties.
🧩 Embeddable SDK
op-web-sdk (vanilla) + op-web-sdk-react / op-web-sdk-vue adapters — embed a read-only .op viewer in your own app, powered by the same wasm renderer the editor ships.
🛡️ Design System Kit
Manage reusable UIKits with style switching and component composition. Import/export kits from .pen files. Built-in registry with MCP tools for external access.
👥 Real-Time Collaboration
Design together over authenticated peer-to-peer sessions with a public relay and built-in regional hubs. Join with a short pairing code, see live remote cursors, and resolve conflicts with per-edit detail and replay.
Installers · v0.8.4
Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.
Security
No known CVEs for OpenPencil CLI.
Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.
Related apps
More from OpenPencil contributors or browse ai, design, figma.