Open Source · Full-Featured · Production-Grade

More Than a CLI,
A Complete AI Coding Platform

Starting from a faithful re-implementation of Claude Code CLI v2.1.37, we've built capabilities far beyond the original: Web UI IDE, scheduled task daemon, Agent Teams multi-agent collaboration, Blueprint workflow engine, 36+ built-in tools, plugin system, i18n — a ready-to-use AI coding platform.

Live Demo Get Started View Source
36+ Built-in Tools
Web UI Full-Stack IDE
Multi-Agent Agent Teams
MIT License
claude-code-open 
$ npm run dev

Claude Code Open v2.1.33
✓ Loaded 35+ tools (incl. Agent Teams, Blueprint)
✓ Web UI started → http://localhost:3000
✓ MCP servers connected (3)
✓ Plugin system ready · i18n: en-US
✓ Agent Teams ready · multi-agent collaboration

> Create a 3-agent team to refactor this module

17 Core Capabilities

From CLI to Web UI, from single-agent to multi-agent, from local to multi-cloud — going far beyond the original Claude Code

🌐

Web UI Full-Stack IDE

Complete web interface built with React + Express + WebSocket. Code browser, terminal emulation, real-time messaging, OAuth auth, settings panel — a full AI coding experience in your browser

🤖

Agent Teams Multi-Agent

Create AI teams for collaborative development. Team creation, member management, inter-agent messaging, shared context memory — multiple agents solving complex problems in parallel

📋

Blueprint Workflow Engine

Visually design multi-agent workflows. Blueprint generation, Lead Agent scheduling, Worker dispatch, task plan updates, E2E test triggers — automated orchestration for complex tasks

🛠️

36+ Built-in Tools

File operations, search & analysis, Shell execution, web fetching, task management, scheduled tasks, Notebook, Plan mode, Skill system, LSP integration — a comprehensive toolchain

⏰

Scheduled Task Daemon

Background daemon for automated AI tasks. Time-based scheduling (natural language support), file watching triggers, multi-channel notifications (Desktop + Feishu), persistent SQLite storage — your 7×24 AI automation assistant

🔌

MCP Protocol Support

Complete Model Context Protocol implementation. MCPSearch discovery, Resource reading, dynamic tool registration — seamless integration with the external tool ecosystem

🧩

Plugin & Hooks System

Pluggable extension architecture. PluginManager lifecycle management, pre/post tool execution hooks, custom commands and Skill system for unlimited extensibility

🌍

i18n Internationalization

Custom lightweight i18n framework supporting English and Chinese. UI text, landing pages, CLI prompts — fully localized for global developers

🧠

Smart Context Management

Token estimation, auto-summarization, Memory Card system, Vectra vector search, Neural Caching — unlimited conversation context is no longer a dream

🔍

Deep Code Analysis

Tree-sitter WASM multi-language parsing, LSP integration, call graph visualization, impact analysis. Understands your code better than grep

🐳

Docker One-Click Deploy

Docker Compose containerized deployment with install scripts (Shell & PowerShell). Full cross-platform support for Windows / macOS / Linux

🔐

OAuth Proxy Sharing

Transparent proxy architecture for sharing Claude subscriptions across devices. Complete OAuth management, permission control, and trust dialog system

⚡

Streaming & Real-time

JSON streaming API, WebSocket real-time messaging, tRPC type-safe communication. End-to-end real-time response from CLI to Web UI

💬

WeChat Bot

Complete WeChat integration via Wechaty. QR code login, group/private chat, budget control, rate limiting — AI coding for 1.2 billion users

☁️

Multi-Cloud Providers

Anthropic API / AWS Bedrock / GCP Vertex AI / Foundry. Provider abstraction layer — switch clouds with one environment variable

🛡️

4-Layer Security Sandbox

Filesystem whitelist → Bubblewrap/Seatbelt process isolation → Network domain filtering → Docker containers. Plus command injection detection & Ed25519 code signing

🩺

Diagnostics & Auto-Update

/doctor one-command health check (Node/Git/API/Provider validation). Auto-update system supporting npm/yarn/pnpm/Docker installs

Five-Tier Architecture

Every layer carefully designed, from entry to extension

1

Entry Layer

src/cli.ts - Commander.js CLI argument parsing
src/web/ - Express + WebSocket web server
src/web/client/ - React + Vite web client
↓
2

Core Engine

client.ts - Anthropic API wrapper (retry / token counting / cost tracking)
session.ts - Session state + SQLite persistence
loop.ts - Conversation loop orchestration + multi-turn tool calls
↓
3

Tool System

BaseTool → ToolRegistry dynamic registration
35+ built-in tools: File / Search / Shell / Web / Task / Notebook / Plan / Skill / LSP
↓
4

Agent Layer

src/agents/ - Agent orchestration / parallel execution / resume
src/teams/ - Agent Teams creation / messaging / context sharing
Blueprint - Visual workflow: Lead Agent → Worker dispatch → E2E testing
↓
5

Extension Layer

PluginManager - Plugin lifecycle management
Hooks - Pre/Post tool execution hooks
MCP - External protocol · i18n - Internationalization · Skills - Custom commands

Technical Blog

Deep dive into Claude Code Open's core features and advantages

CORE February 2026

Why Claude Code Open — 10 Core Advantages Over the Official CLI

Claude Code Open is not just an open-source clone — it's a full AI coding platform that goes far beyond the official CLI. From Web UI IDE and multi-agent collaboration to scheduled task automation and mobile programming, discover the 10 core advantages that make it the best choice for developers who want full control over their AI coding environment.

  • Open Source & Transparent — Full source code, MIT license, community-driven
  • Web UI Full-Stack IDE — Complete browser-based coding experience with real-time WebSocket communication
  • Multi-Agent Collaboration (Blueprint) — Smart Planner + Lead Agent + Autonomous Workers for complex tasks
  • Scheduled Task Daemon — 7x24 AI automation with natural language scheduling
  • Mobile Programming — PWA + Tailscale for coding on your phone
Read Full Article →
AUTOMATION February 2026

Scheduled Task Daemon: 7×24 AI Automation at Your Fingertips

Imagine AI automatically reviewing your code commits every morning, generating test cases when files change, or sending weekly progress reports via Feishu. The Scheduled Task Daemon makes it real with three task types: time-based scheduling with natural language, file watching triggers, and interval jobs — all backed by SQLite persistence and multi-channel notifications.

Read Full Article →
MOBILE February 2026

Mobile Programming: Claude Code in Your Pocket

Start Claude Code WebUI on your computer, access it from your phone via Tailscale's zero-config mesh network, and add it to your home screen as a full-featured PWA app. No public IP needed, end-to-end encrypted, with deep touch optimization and responsive layouts — turn your commute into productive coding time.

Read Full Article →
GETTING STARTED February 2026

One-Click Deploy: Your Personal AI Assistant in 30 Seconds

No complex configuration needed. One command installs everything: clone repo, build frontend and backend, create desktop shortcut, preset API config. Double-click to launch, browser auto-opens — start chatting with Claude immediately. Supports Windows PowerShell and macOS/Linux bash.

Read Full Article →
MULTI-AGENT February 2026

Blueprint: When AI Agents Work as a Team

From a single requirement to complete code delivery — Blueprint's multi-agent collaboration system changes everything. Smart Planner breaks down complex projects into independent tasks, Lead Agent coordinates execution, Autonomous Workers run in parallel, and Swarm Console monitors progress in real-time. Say goodbye to context overflow and task omissions. This is the next evolution of AI programming tools.

Read Full Article →
AI EVOLUTION February 2026

SelfEvolve: An AI That Rewrites Its Own Code

Imagine telling Claude "add a code formatter tool for yourself" — and it edits its own source code, installs dependencies, hot-restarts the service, all within 2 minutes. SelfEvolve transforms AI from a static tool into a continuously learning partner. With TypeScript type checking, dryRun preview, and audit logs, safety is guaranteed. The future is here.

Read Full Article →
WEB UI February 2026

Beyond the Terminal: A Full-Stack Web UI IDE for AI Coding

Command-line tools are powerful but not user-friendly. Claude Code Open's Web UI brings real-time streaming (WebSocket), syntax highlighting, Markdown rendering, file browser, and permission dialogs — all in your browser. Swarm Console visualizes multi-agent tasks. Blueprint shows dependency graphs. Mobile-responsive with PWA support. Not replacing your IDE, but serving as your AI coding workbench.

Read Full Article →

Quick Start

Get your local dev environment running in just a few steps

1

Clone Repository

git clone https://github.com/kill136/claude-code-open.git
2

Install Dependencies

cd claude-code && npm install
3

Configure API Key

export ANTHROPIC_API_KEY=your-api-key
4

Start Dev Mode

npm run dev

Ready to Dive Deeper?

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