OpenCode Sentinel

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📖 Introduction

OpenCode Sentinel is a security-enhanced version of OpenCode, specifically designed for development environments within corporate intranets or offline networks.

Compared to the original version, it allows you to connect only to private AI servers, completely cutting off external network access. This not only ensures that code data absolutely never leaves the intranet but also completely resolves application freezes caused by unstable external network connections.

Why Choose Sentinel?

• 📦 Offline Ready: Provides a one-click packaging tool that pre-downloads all dependencies, allowing you to simply copy the package to an intranet machine, unzip, and run.
• 🛡️ Strict Access Control: Supports a "whitelist" mode, allowing you to force the application to only connect to internal AI services, blocking all other insecure network requests.
• ⚡ Zero Lag: Optimized network connection logic with intelligent timeout and retry mechanisms ensures the interface never freezes due to network jitter.
• 🏢 Private Model Support: Seamlessly integrates with enterprise private deployments of DeepSeek, vLLM, Ollama, and other large model services.

Version Info: Based on anomalyco/opencode v1.1.28 (commit dac7357).

👉 View Detailed Changelog

🚀 Offline Deployment Workflow

This project provides a one-click packaging tool, allowing you to complete deployment in an isolated environment in just three steps.

1. Prepare Build Environment

On a machine with internet access (Windows/macOS/Linux), install the basic dependencies:

• Bun
• Node.js
• Clone this repository

git clone https://github.com/oneoflzx/opencode-sentinel.git; cd opencode-sentinel

2. Generate Offline Package

Run the packaging script on the internet-connected machine to automatically pull all dependencies and generate a self-contained installation package:

bun offline-scripts/pack.ts

🎉 Upon success, an opencode-offline.tar.gz file will be generated in offline-scripts/ directory.

3. Install in Target Environment

Transfer opencode-offline.tar.gz to the target host and extract it. Run the corresponding installation script based on your operating system (the script automatically configures the Node.js environment and PATH):

OS	Command	Note
Linux / macOS	./install.sh	Recommended to run with bash
Windows	.\install.bat	Or run install.ps1 with PowerShell

Directory structure after extraction:

dir/
├── install.sh    # Linux/macOS install script
├── install.bat   # Windows install script
├── deps/         # Offline dependencies
├── bin/          # Executable binaries
└── node/         # Built-in Node.js environment

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⚙️ Configuration Guide

Before the first run, configure security policies and model access in ~/.config/opencode/opencode.json.

Core Configuration Example

{
  "$schema": "https://opencode.ai/config.json",
  "network": {
    "policy": "whitelist",
    "whitelist": [
      "my-private-llm.com"
    ]
  },
  "provider": {
    "my_provider": {
      "options": {
        "baseURL": "https://my-private-llm.com/v1",
        "apiKey": "sk-private-key"
      },
      "models": {
        "qwen3-32b": { "name": "Qwen3-32B" }
      }
    }
  }
}

Configuration Options

Network Policy (network)

• policy:
  • allow-all: Allow all outbound connections (not recommended for sensitive environments).
  • deny-all: Deny all outbound connections.
  • whitelist: Recommended. Only allow access to domains in the whitelist.
• whitelist: Array of domain strings, supporting exact matches and subdomain matches.

Model Provider (provider)

Follows the standard OpenCode configuration format.

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▶️ Run

After installation and configuration, start the application directly:

# Ensure environment variables are loaded (or restart terminal)
opencode

📚 Documentation

• Modifications: See MODIFICATIONS.md for detailed code changes.
• Original Docs: Visit opencode.ai/docs.

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