GPT Agent — VS Code Extension

AI coding agent with multi-provider support. Chat with GPT-4o, Claude, Azure OpenAI, or any OpenAI-compatible API directly from the VS Code sidebar.

Features

• Multi-provider support — OpenAI, Azure OpenAI, Anthropic (Claude), and any OpenAI-compatible endpoint
• Sidebar chat — Copilot-style streaming chat with markdown rendering
• Tool use — The agent reads, writes, edits files and runs commands in your workspace
• Code blocks — Syntax-highlighted with Copy and Insert at Cursor buttons
• Profile switching — Switch between providers and models mid-conversation
• Session history — Resume previous conversations
• Hot-reload config — No restart needed when you change providers or settings
• Theme aware — Works with dark, light, and high-contrast themes

Quick Start

1. Install the extension
2. Click the GPT Agent icon in the activity bar
3. Click Configure Providers on the welcome screen
4. Add your provider (API key + model) and save
5. Start chatting

Configuration

Option 1: Visual Setup (recommended)

Open Command Palette (Cmd+Shift+P) and run GPT Agent: Configure Providers.

Option 2: Config File

Create ~/.gpt-agent/config.json:

{
  "defaultProfile": "openai",
  "profiles": {
    "openai": {
      "provider": "openai",
      "apiKey": "sk-...",
      "model": "gpt-4o"
    },
    "claude": {
      "provider": "anthropic",
      "apiKey": "$ANTHROPIC_API_KEY",
      "model": "claude-sonnet-4-20250514"
    },
    "azure": {
      "provider": "azure-openai",
      "apiKey": "$AZURE_OPENAI_API_KEY",
      "endpoint": "https://your-resource.openai.azure.com/",
      "model": "gpt-4o",
      "apiVersion": "2024-08-01-preview"
    }
  }
}

API key values starting with $ are resolved from environment variables.

VS Code Settings

Commands

Supported Providers