# OpenCode — Open-Source AI Coding Agent for Terminal

> Open-source AI coding agent with 140K+ stars. TUI-first design, LSP integration, works with Claude, OpenAI, Google, or local models. Two built-in agents: build and plan. MIT license.

## Install

Save the content below to `.claude/skills/` or append to your `CLAUDE.md`:

## Quick Use

Install OpenCode (pick one method):
```bash
# Quick install
curl -fsSL https://opencode.ai/install | bash

# Or via npm
npm i -g opencode-ai@latest

# Or via Homebrew
brew install anomalyco/tap/opencode
```

Then run in any project directory:
```bash
opencode
```

---

## Intro

OpenCode is the open-source AI coding agent for the terminal with 140,000+ GitHub stars — one of the fastest-growing developer tools in 2025-2026. It features a TUI-first design with built-in LSP support, two agents (build for full dev access, plan for read-only analysis), and works with any LLM provider including Claude, OpenAI, Google, and local models. Best for developers who want an alternative to Claude Code or Codex that is fully open-source and provider-agnostic. Setup time: under 1 minute.

Compare with: [Codex CLI vs Claude Code guide](https://tokrepo.com/en/guide/codex-cli-vs-claude-code) on TokRepo.

---

## OpenCode — The Open-Source AI Coding Agent

### Why OpenCode

- **Not locked to any provider** — use Claude, GPT-4, Gemini, Llama, or any model
- **Terminal-native** — beautiful TUI that developers actually want to use
- **LSP integration** — real language understanding, not just text matching
- **Client/server architecture** — run remotely on beefy machines, connect from anywhere
- **Desktop app** — available for macOS, Windows, and Linux

### Two Built-in Agents

| Agent | Access | Use Case |
|-------|--------|----------|
| **build** | Full read/write/execute | Implement features, fix bugs, run tests |
| **plan** | Read-only analysis | Understand code, plan architecture, review |

### Installation Methods

```bash
# Quick install (recommended)
curl -fsSL https://opencode.ai/install | bash

# npm
npm i -g opencode-ai@latest

# Homebrew (macOS)
brew install anomalyco/tap/opencode

# Scoop (Windows)
scoop bucket add anomalyco https://github.com/anomalyco/scoop-bucket.git
scoop install opencode

# Pacman (Arch Linux)
pacman -S opencode
```

### Key Features

- **TUI-first design** — purpose-built terminal interface
- **Language Server Protocol** — real code understanding
- **Custom commands** — extend with your own slash commands
- **GitHub Actions bot** — run as CI/CD agent
- **Multi-model support** — 75+ LLM providers
- **Client/server mode** — remote development support
- **MIT licensed** — truly open source

### FAQ

**Q: What is OpenCode?**
A: OpenCode is a free, open-source AI coding agent that runs in your terminal. It supports 75+ LLM providers and features two built-in agents (build and plan) with native LSP integration.

**Q: How does OpenCode compare to Claude Code?**
A: OpenCode is fully open-source (MIT) and provider-agnostic, while Claude Code is Anthropic-specific. OpenCode has a TUI-first design with client/server architecture for remote development.

**Q: Is OpenCode free?**
A: Yes, OpenCode is free and open-source under the MIT license. You only pay for the LLM API you choose to use.

---

## Source & Thanks

> Created by [anomalyco](https://github.com/anomalyco). Licensed under MIT.
>
> [OpenCode](https://github.com/anomalyco/opencode) — ⭐ 140,000+

Thanks to the Anomaly team for building a truly open alternative for AI-assisted coding.

---

<!-- ZH -->

## Quick Use

Install OpenCode:
```bash
curl -fsSL https://opencode.ai/install | bash
```

Then run in a project directory:
```bash
opencode
```

---

## Introduction

OpenCode is an open-source AI coding agent with 140,000+ GitHub stars — one of the fastest-growing developer tools of 2025–2026. TUI-first design, built-in LSP support, two agents (build with full permissions, plan read-only), and support for Claude, OpenAI, Google, and local models. Ideal for developers who want a fully open, vendor-neutral AI coding tool.

---

## OpenCode — Open-Source AI Coding Agent

### Core Advantages

- **No vendor lock-in** — Claude, GPT-4, Gemini, Llama, or any other model
- **Terminal-native** — carefully designed TUI interface
- **LSP integration** — genuine language understanding
- **Client/server architecture** — remote development support
- **Desktop app** — macOS, Windows, Linux

### Two Built-In Agents

| Agent | Permissions | Purpose |
|-------|-------------|---------|
| **build** | Full read/write/execute | Develop features, fix bugs, run tests |
| **plan** | Read-only analysis | Understand code, plan architecture, review |

### FAQ

**Q: What is OpenCode?**
A: A free, open-source terminal AI coding agent supporting 75+ LLM providers. MIT licensed.

**Q: How does it compare to Claude Code?**
A: OpenCode is fully open source and vendor-neutral; Claude Code is Anthropic-only. OpenCode also offers a TUI design and remote development.

---

## Source & Thanks

> Created by [anomalyco](https://github.com/anomalyco). Licensed under MIT.
>
> [OpenCode](https://github.com/anomalyco/opencode) — ⭐ 140,000+


---
Source: https://tokrepo.com/en/workflows/opencode-open-source-ai-coding-agent-terminal-4374a5c2
Author: SST