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SnCode

SnCode is a desktop AI coding agent built with Electron, React, and TypeScript. It connects to Anthropic Claude and OpenAI Codex models to help you read, write, edit files, run commands, and manage your projects — all from a polished native desktop app.

Key Features

• Multi-provider AI agent — Claude (Opus 4.6, Sonnet 4.5, Haiku 4.5) and OpenAI Codex (5.3, 5.2, 5.1 Mini)
• Real-time streaming — Native tool_use (Anthropic) and function calling (OpenAI) with chunk-by-chunk streaming
• Sandboxed tool system — File read/write/edit, glob, grep, shell commands with path traversal protection
• Sub-agent tasks — Spawn parallel sub-agents for complex multi-step work
• Skills system — Discoverable, loadable instruction sets from multiple sources
• Git integration — Branch switching, diff viewer, commit, pull, push, stash
• File tree browser — Collapsible sidebar with color-coded file icons
• Dark & light themes — Full CSS variable-driven theming
• OAuth & API key auth — Anthropic PKCE flow, OpenAI device code flow, or paste API keys
• Secure by default — Credentials in OS keychain, sandboxed renderer, strict CSP
• Image support — Paste, drag-drop, or pick images (JPEG, PNG, GIF, WebP)
• Markdown rendering — Syntax-highlighted code blocks (16+ languages)
• Search — Full-text search across conversation messages
• Thinking/reasoning levels — None, Low, Medium, High, Extra High

Quick Links

Page	Description
Installation & Setup	Download, install, and first-run configuration
Provider Setup	Configure Anthropic and OpenAI credentials
Features Guide	Detailed walkthrough of all features
Architecture	Codebase structure and technical design
Configuration & Settings	All configurable options explained
Keyboard Shortcuts	Full shortcut reference
Theming	Dark/light theme system and CSS variables
Tool System	Agent tools, security model, and capabilities
Sub-Agents & Tasks	How parallel sub-agent tasks work
Skills System	Discover, load, install, and create skills
Git Integration	Branch management, diffs, commits
Development Guide	Building from source, contributing
Troubleshooting & FAQ	Common issues and solutions

Requirements

• Windows 10/11 (x64), macOS 12+ (Intel or Apple Silicon), or Linux (x64)
• An Anthropic API key / Claude subscription, and/or an OpenAI API key / ChatGPT subscription
• Internet connection for API calls

License

MIT — see LICENSE