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

Install Server

HTTP connection URL

security – no known vulnerabilities

license - permissive license

quality - confirmed to work

How are these scores calculated?

hybrid server

The server is able to function both locally and remotely, depending on the configuration or use case.

Tools

Enables AI assistants to search, analyze, and retrieve detailed information about Dart and Flutter packages from pub.dev. Supports package discovery, version management, dependency analysis, and documentation access.

Related Resources

Reddit Discussion about this server

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