Name: 'AI Dev Marketplace Tool'
Author: 'myPlanTestDevtool'

A VS Code extension that adds AI-powered helpers to your editor:

Generate Unit Tests — produces idiomatic tests for the active file/selection.
Generate Design Document — high-level design doc in Markdown.
Code Review — structured review (bugs, security/OWASP, perf, style, tests).
Generate LLD — low-level design with mermaid class & sequence diagrams.
Review PR — review a git diff against any base branch (e.g. origin/main).
Sidebar Chat — conversational assistant in the Activity Bar.
MCP Servers — connect to Model Context Protocol servers via stdio.

Quick start

npm install
npm run build

Press F5 in VS Code to launch the Extension Development Host.

Configure

Open Settings → search for aiDevTool:

Setting	Description
`aiDevTool.provider`	`openai` \| `anthropic` \| `azure-openai` \| `ollama`
`aiDevTool.model`	Model name (e.g. `gpt-4o-mini`, `claude-3-5-sonnet-latest`, `llama3.1`)
`aiDevTool.apiKey`	API key (will be migrated into SecretStorage on first prompt)
`aiDevTool.endpoint`	Custom endpoint (Azure OpenAI / self-hosted)
`aiDevTool.mcpServers`	Array of `{ name, command, args }` for stdio MCP servers

Example MCP config:

"aiDevTool.mcpServers": [
  { "name": "filesystem", "command": "npx", "args": ["-y", "@modelcontextprotocol/server-filesystem", "${workspaceFolder}"] }
]

Commands

All available via the Command Palette (AI: prefix) and the sidebar toolbar:

AI: Generate Unit Tests
AI: Generate Design Document
AI: Review Current File
AI: Generate Low-Level Design
AI: Review Pull Request
AI: Connect to MCP Server

Project Layout

src/
  extension.ts          # activation
  ai/aiService.ts       # provider-agnostic LLM client
  features/             # one file per feature
  mcp/mcpManager.ts     # stdio MCP client
  webview/              # sidebar webview
  util/editor.ts        # editor helpers