OpenCode Kilo Code Auth Plugin

An OpenCode plugin for authenticating with Kilo Code and accessing various AI models, including the Giga Potato model - a stealth model optimized for agentic programming.

Features

- Kilo Code Authentication: Login via browser-based device auth or manual token entry
- 300+ AI Models: Access to Claude, GPT, Gemini, DeepSeek, Llama, and more
- Giga Potato Model: Free stealth model optimized for agentic programming with vision support
- Model Selection: Browse and select from available models
- Zero Configuration: Automatic request routing through Kilo Code API

Installation

$3

Add the plugin to your OpenCode configuration file (~/.config/opencode/opencode.json):

``json
{
"$schema": "https://opencode.ai/config.json",
"plugin": [
"opencode-kilocode-auth"
],
"provider": {
"kilocode": {
"models": {
"giga-potato": {}
}
}
},
"model": "kilocode/giga-potato"
}
`

$3

1. Copy the plugin to your OpenCode plugins directory:

`bash


Create plugins directory

mkdir -p ~/.config/opencode/plugins

Copy plugin file

cp path/to/opencode-kilocode-auth/src/plugin.ts ~/.config/opencode/plugins/kilocode.ts
`

2. OpenCode will automatically load plugins from the ~/.config/opencode/plugins/ directory.

$3

`bash


Navigate to your opencode config directory

cd ~/.config/opencode

Install the plugin

bun add opencode-kilocode-auth

Or using npm

npm install opencode-kilocode-auth
`

Then add to your opencode.json:

`json
{
"plugin": ["opencode-kilocode-auth"]
}
`

Authentication

When you run OpenCode, you'll see "kilocode" as an available provider. Select it and choose an auth method:

1. Login with Kilo Code (OAuth): Opens browser for secure device auth
2. Enter Kilo Code API Token: Enter your API token directly

$3

1. Go to https://kilo.ai
2. Sign up or log in
3. Navigate to Settings → API Keys
4. Generate a new API key

Giga Potato Model

The Giga Potato model is a stealth model deeply optimized for agentic programming:

| Feature | Value |
|---------|-------|
| Model ID | giga-potato |
| Context Window | 256K tokens |
| Max Output | 32K tokens |
| Vision Support | Yes (can analyze images) |
| Tool Support | Yes (write_file, edit_file) |
| Reasoning | Yes |
| Price | FREE |

$3

Set it as your default model in opencode.json:

`json
{
"model": "kilocode/giga-potato"
}
`

Or select it interactively when prompted for a model.

Available Models

$3

| Model | Description |
|-------|-------------|
| giga-potato | Stealth model for agentic programming (256K context, vision) |
| x-ai/grok-code-fast-1 | xAI Grok optimized for fast code generation |
| mistralai/devstral-2512:free | Mistral's development model |
| corethink:free | CoreThink reasoning model |

$3

| Model | Description |
|-------|-------------|
| anthropic/claude-opus-4.5 | Latest Claude Opus |
| anthropic/claude-sonnet-4.5 | Latest Claude Sonnet |
| openai/gpt-5.2 | Latest GPT model |
| google/gemini-3-pro-preview | Gemini 3 Pro |
| deepseek/deepseek-r1 | DeepSeek reasoning model |

Configuration Example

Full opencode.json example:

`json
{
"$schema": "https://opencode.ai/config.json",
"plugin": [
"opencode-kilocode-auth"
],
"provider": {
"kilocode": {
"models": {
"giga-potato": {
"name": "Giga Potato",
"contextLength": 256000,
"maxTokens": 32000
},
"anthropic/claude-sonnet-4": {},
"openai/gpt-4o": {}
}
}
},
"model": "kilocode/giga-potato",
"agent": {
"build": {
"model": "kilocode/giga-potato"
}
}
}
`

Environment Variables

| Variable | Description |
|----------|-------------|
| KILOCODE_TOKEN | Pre-set your Kilo Code API token |
| KILOCODE_BACKEND_BASE_URL | Custom backend URL (for development) |

How It Works

1. Authentication: Uses device auth flow (like GitHub CLI) or direct token entry
2. Request Routing: Intercepts AI requests and routes them through Kilo Code's OpenRouter-compatible API
3. Model Access: Provides access to 300+ models through a single authentication
4. Cost Tracking: Billing is handled by Kilo Code, costs show as $0 in OpenCode

Troubleshooting

$3

Make sure the plugin is properly installed:

`bash


Check if plugin is in node_modules

ls ~/.config/opencode/node_modules/opencode-kilocode-auth

Or check plugins directory

ls ~/.config/opencode/plugins/
`

$3

1. Check your internet connection
2. Try logging in at https://kilo.ai first
3. Generate a new API token if the old one expired

$3

Make sure you're using the correct model ID format: kilocode/model-name

For example:
- kilocode/giga-potato
- kilocode/anthropic/claude-sonnet-4

Development

`bash


Clone the repo

git clone
cd opencode-kilocode-auth

Install dependencies

bun install

Test the API

bun run test/api-test.ts

Build

bun run build
``

License

MIT

Credits

Ported from Kilo Code for OpenCode integration.