W3Dev Coding Agent - Claude Code Plugin Marketplace
A curated Claude Code plugin marketplace providing essential development tools with MCP servers for documentation lookup and code search, plus LSP support for multiple languages.
Installation
Add Marketplace
/plugin marketplace add w3dev/coding-agent
Install Plugins
# Basic development tools
/plugin install basic-development-plugin@w3dev
# Next.js development toolkit
/plugin install nextjs-devtools-plugin@w3dev
# Expo/React Native development toolkit
/plugin install expo-devtools-plugin@w3dev
# Flutter/Dart development toolkit
/plugin install flutter-devtools-plugin@w3dev
# Cloudflare Workers development toolkit
/plugin install cloudflare-workers-plugin@w3dev
Included Plugins
1. basic-development-plugin
Essential development tools for any project:
MCP Servers
| Server | Description |
|---|
| deepwiki | Ask questions about any GitHub repository |
| context7 | Query up-to-date documentation for any library |
| exa | Web search and code context retrieval |
| grep | Search real-world code examples from public GitHub repos |
LSP Support
| Language | Server | Extensions |
|---|
| TypeScript/JavaScript | typescript-language-server | .ts, .tsx, .js, .jsx |
| Go | gopls | .go, .mod, .work |
Commands
| Command | Description |
|---|
/docs | Look up library documentation using Context7 |
/search-code | Find real-world code examples from GitHub |
2. nextjs-devtools-plugin
Complete Next.js development toolkit:
MCP Servers
| Server | Description |
|---|
| next-devtools | Official Vercel MCP for Next.js development |
| deepwiki | Ask questions about any GitHub repository |
| context7 | Query up-to-date documentation for any library |
| grep | Search real-world code examples from public GitHub repos |
LSP Support
| Language | Server | Extensions |
|---|
| TypeScript/JavaScript | typescript-language-server | .ts, .tsx, .js, .jsx |
Commands
| Command | Description |
|---|
/nextjs-errors | Check build and runtime errors |
/nextjs-routes | Inspect application routes |
/nextjs-upgrade | Upgrade Next.js version |
Requirements
- Node.js v20.19+
- Next.js 16+ with dev server running
3. expo-devtools-plugin
Expo/React Native development toolkit:
MCP Servers
| Server | Description |
|---|
| expo-mcp | Official Expo MCP for documentation and automation |
| deepwiki | Ask questions about any GitHub repository |
| context7 | Query up-to-date documentation for any library |
| grep | Search real-world code examples from public GitHub repos |
LSP Support
| Language | Server | Extensions |
|---|
| TypeScript/JavaScript | typescript-language-server | .ts, .tsx, .js, .jsx |
Commands
| Command | Description |
|---|
/expo-docs | Look up Expo documentation |
/expo-install | Install Expo packages with npx expo install |
/expo-screenshot | Take screenshot of running app |
Requirements
- EAS paid plan (for full Expo MCP features)
- Expo SDK 54+
- Node.js 18+
4. flutter-devtools-plugin
Flutter/Dart development toolkit:
MCP Servers
| Server | Description |
|---|
| dart | Official Dart MCP for code analysis and package management |
| deepwiki | Ask questions about any GitHub repository |
| context7 | Query up-to-date documentation for any library |
| grep | Search real-world code examples from public GitHub repos |
LSP Support
| Language | Server | Extensions |
|---|
| Dart | dart language-server | .dart |
Commands
| Command | Description |
|---|
/flutter-analyze | Analyze Flutter/Dart code for issues |
/flutter-test | Run Flutter tests |
/flutter-pub | Search pub.dev and manage dependencies |
Requirements
- Dart SDK 3.9+
- Flutter SDK (latest stable)
5. cloudflare-workers-plugin
Cloudflare Workers development toolkit:
MCP Servers
| Server | Description |
|---|
| cf-docs | Cloudflare platform documentation |
| cf-bindings | Workers bindings (KV, R2, D1, AI, etc.) |
| cf-builds | Workers deployment and build management |
| cf-observability | Logs, analytics, and performance monitoring |
| deepwiki | Ask questions about any GitHub repository |
| context7 | Query up-to-date documentation for any library |
| grep | Search real-world code examples from public GitHub repos |