Pub.dev MCP Server

A Model Context Protocol (MCP) server for pub.dev, the official package repository for Dart and Flutter.
It allows AI assistants to search, analyze, and retrieve detailed information about Dart/Flutter packages.

✨ Features

🔍 Package Search – Advanced filtering & sorting
📦 Package Information – Metadata, dependencies, statistics
🔄 Version Management – Check updates, compare versions, track history
📚 Documentation Access – README, changelog, examples, API docs
⚡ Caching – Built-in 5-minute intelligent cache
🛠 Dependency Analysis – Compare dependencies between versions

📦 Installation

NPM (Recommended)

npm install -g @devqxi/pubdev-mcp-server

From Source

git clone https://github.com/devqxi/pubdev-mcp-server.git
cd pubdev-mcp-server
npm install
npm run build
npm run start

⚙️ Configuration

Claude Desktop

Locate your configuration file:
- Windows: %APPDATA%\Claude\claude_desktop_config.json
- macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
- Linux: ~/.config/Claude/claude_desktop_config.json
Add:

{
  "mcpServers": {
    "pubdev": {
      "command": "npx",
      "args": ["@devqxi/pubdev-mcp-server"]
    }
  }
}

Restart Claude Desktop.

Local Build Example:

{
  "mcpServers": {
    "pubdev": {
      "command": "node",
      "args": ["/path/to/pubdev-mcp-server/dist/pubdev-mcp.js"]
    }
  }
}

Other MCP Clients:

npx @devqxi/pubdev-mcp-server

🛠 Available Tools

Tool	Description	Key Parameters
get_package_info	Retrieve package metadata, stats, dependencies, publishers	`packageName`
search_packages	Search with filters and sorting	`query`, `sort`, `page`
check_package_updates	Check if updates are available	`packageName`, `currentVersion`
get_package_versions	Get version history	`packageName`, `limit`
get_documentation_changes	Get README, changelog, examples, API docs	`packageName`, `version`, `docType`
compare_package_versions	Compare dependencies & changes between versions	`packageName`, `fromVersion`, `toVersion`

📖 Example Commands

Search Packages
"Search for state management packages sorted by popularity"
Package Details
"Get information about the flutter_bloc package"
Check Updates
"Check if provider has updates from version 6.0.0"
Get Docs
"Get the changelog for dio version 4.0.0"
Compare Versions
"Compare dependencies between http 2.0.0 and 3.0.0"

💻 Development

git clone https://github.com/devqxi/pubdev-mcp-server.git
cd pubdev-mcp-server
npm install
npm run build
npm run start

Test with MCP Inspector:

npx @modelcontextprotocol/inspector npx @devqxi/pubdev-mcp-server

🌐 API Reference

https://pub.dev/api/packages/{package}
https://pub.dev/api/search
https://pub.dev/api/packages/{package}/versions
https://pub.dev/packages/{package}/{version}/{doc-type}

🛡 Error Handling

Graceful handling of network & API failures
Clear errors for invalid/non-existent packages
Built-in delays for respectful rate limiting
Detailed validation messages for malformed requests

🤝 Contributing

Fork & branch (git checkout -b feature/amazing-feature)
Install deps (npm install)
Build & test (npm run build && npm test)
Commit & push (git commit -m 'Add feature' && git push)
Open a Pull Request

📜 License

MIT – See LICENSE

📢 Support

🆕 Changelog

v1.0.0

Initial release
All major pub.dev API endpoints supported
Caching & error handling implemented
Full MCP protocol compliance

pub.dev