Download OpenPencil CLI 0.8.4 for Windows

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.

Publisher’s description

Project description on GitHub: “The world's first open-source AI-native vector design tool and the first to feature concurrent Agent Teams. Design-as-Code. Turn prompts into UI directly on the live canvas. A modern alternative to Pencil.”

Pros / Cons

In short: OpenPencil CLI is an open-source ai assistants & llm tool for 64-bit and ARM64 PCs.

Is OpenPencil CLI safe to download?

• The file is served by github.com, the publisher’s own domain
• The download link uses HTTPS
• A SHA256 hash is published, so you can verify the file: E97111FBD440881978D98E720160DE9583CE39CF5544E510DD2B124F6F0F3D27 · Open the VirusTotal report for this hash
• The link has not been checked yet
• The source code is public
• ExeAtlas does not host, wrap or modify installers

Related guide: How to check a file’s SHA256 hash on Windows

Program files (.exe): op.exe

Related guide: How to use winget: install and update apps

Information

Publisher

OpenPencil contributors

Category

AI assistants & LLMs

Licence

MIT

Price

Free

Source code

github.com/ZSeven-W/openpencil

Written in

Rust

Requires

Windows 11 / 10

Architecture

64-bit, ARM64

Installer

Portable

Version

0.8.4

Released

August 11, 2026

Added to the catalogue

October 2, 2026

Versions listed

1

GitHub stars

6,380

GitHub forks

561

Website

op.zseven.tech

winget ID

ZSeven-W.OpenPencil.CLI

Ratings and reviews

No reviews yet. Be the first to rate it.

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