BYOK Studio

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A visual editor for Copilot's Custom Endpoint configuration in chatLanguageModels.json.

Configuration

• Provider names, endpoint URLs, and API keys.
• Chat Completions, Responses, or Messages protocol settings, shared by all models or assigned per model.
• Model lists, display names, token limits, capability declarations, and reasoning defaults.

Parameter sources

Usage

Requires VS Code 1.145+ and GitHub Copilot Chat.

1. Run BYOK Studio: Manage Models from the Command Palette.
2. Add a provider and enter its URL, API key, and protocol settings.
3. Refresh or manually add models and adjust their settings.
4. Click Save provider to write the configuration. Select the corresponding Custom Endpoint model in Copilot Chat.

[
  {
    "name": "Example Gateway",
    "vendor": "customendpoint",
    "byokStudioId": "demo-provider",
    "models": [
      {
        "id": "kimi-k3",
        "name": "Kimi K3",
        "url": "https://chat.example.com/v1/chat/completions",
        "apiType": "chat-completions",
        "toolCalling": true,
        "vision": true,
        "maxInputTokens": 917504,
        "maxOutputTokens": 131072,
        "thinking": true,
        "supportsReasoningEffort": ["low", "high", "max"],
        "modelOptions": { "top_p": 0.95 }
      }
    ]
  }
]

Development

npm ci
npm test
npm run package

License

MIT.