Walnut AI - Intelligent Coding Assistant

Walnut AI is a powerful VS Code extension that brings AI-powered coding assistance directly into your development workflow. Chat with AI, understand your codebase, and execute tasks autonomously.

Key Features

Conversational AI Chat

Natural Language Interface: Ask questions, request code changes, or get explanations in plain English
Context-Aware: Automatically understands your current file, selection, and workspace
Multi-Model Support: Works with Claude, GPT-4, GPT-5, Gemini, and other leading AI models
Extended Thinking: See AI's reasoning process for complex tasks

Autonomous Task Execution

File Operations: AI can read, write, and edit files across your project
Terminal Commands: Execute shell commands with approval workflow
Multi-Step Tasks: Complex operations broken into manageable steps
Smart Retry: Automatic retry with exponential backoff on transient errors

Dev & QA Modes

Development Mode: Code quality focused - build features, fix bugs, refactor
QA Mode: Test automation focused - plan tests, generate Playwright scripts, fix failing tests
Specialized Agents: Test Planner, Test Generator, Test Healer for QA workflows

Code Intelligence

Codebase Analysis: AI understands your entire project structure
Semantic Search: Find code by meaning, not just keywords
Code Explanation: Get detailed explanations of complex code
Refactoring: Intelligent code improvements and optimizations

Developer Experience

Inline Tool Display: See AI actions inline within conversations
Permission Modes: Ask, Auto, and Plan modes for different workflows
Session History: Save and restore conversation sessions
Image Support: Attach screenshots for visual context
Task Tracking: Built-in todo list for complex tasks
Model Selector: Choose between multiple AI models or let Auto select
Credit Tracking: Real-time credit balance for starter/teams plans
Undo Support: Revert AI changes with git-based snapshots

Getting Started

Install the extension from VS Code Marketplace
Open the Walnut AI sidebar (click the Walnut icon in the activity bar)
Login with your Walnut account at app.walnutai.ai
Select a project and start chatting!

Usage

Chat Commands

Type your question or request in the input area
Use @ to mention files from your workspace
Use / for quick commands (commit, review, etc.)

Keyboard Shortcuts

Shortcut	Action
`Cmd/Ctrl + Enter`	Send message
`Shift + Enter`	New line
`Shift + Tab`	Cycle permission mode
`Escape`	Stop current operation

Permission Modes

Mode	Description
Ask	AI asks for approval before making changes
Auto	AI automatically approves safe operations
Plan	AI explores and plans before executing (read-only)

QA Agents (QA Mode)

Agent	Description
Test Planner	Explores your app and creates comprehensive test plans
Test Generator	Generates production-ready Playwright test scripts
Test Healer	Diagnoses and fixes failing or flaky tests

Supported AI Providers

Anthropic Claude (Claude Opus 4.5, Claude Sonnet 4, Claude Haiku 4.5)
OpenAI (GPT-5, GPT-4o, O3, O4-mini)
Azure OpenAI (All Azure-hosted models)
AWS Bedrock (Claude on Bedrock with cross-region support)
Google Gemini (Gemini 2.5 Pro, Gemini 2.5 Flash)
Custom Endpoints (Any OpenAI-compatible API)

Configuration

Configure Walnut AI through VS Code settings (Cmd/Ctrl + ,):

Setting	Description
`walnut.server.url`	Walnut server URL (default: app.walnutai.ai)
`walnut.playwright.enabled`	Enable Playwright MCP for browser automation
`walnut.playwright.browser`	Browser for automation (chromium/firefox/webkit)

Requirements

VS Code 1.98.0 or higher
Active internet connection
Walnut AI account (sign up free)

Privacy & Security

Code is processed securely through your configured AI provider
File operations require explicit approval in Ask mode
API keys stored securely via VS Code SecretStorage
Sensitive environment variables filtered from subprocess execution
No training on your code without consent

Support

Website: walnutai.ai
Email: support@walnutai.ai

Walnut AI - Your intelligent coding companion

Walnut AI

WalnutAI