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Pub.dev MCP Server

by devqxi

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

  1. 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

  2. Add:

{ "mcpServers": { "pubdev": { "command": "npx", "args": ["@devqxi/pubdev-mcp-server"] } } }
  1. 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

  1. Fork & branch (git checkout -b feature/amazing-feature)

  2. Install deps (npm install)

  3. Build & test (npm run build && npm test)

  4. Commit & push (git commit -m 'Add feature' && git push)

  5. 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

Deploy Server
A
security – no known vulnerabilities
A
license - permissive license
A
quality - confirmed to work

hybrid server

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

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.

  1. ✨ Features
    1. 📦 Installation
      1. NPM (Recommended)
      2. From Source
    2. ⚙️ Configuration
      1. Claude Desktop
    3. 🛠 Available Tools
      1. 📖 Example Commands
        1. 💻 Development
          1. 🌐 API Reference
            1. 🛡 Error Handling
              1. 🤝 Contributing
                1. 📜 License
                  1. 📢 Support
                    1. 🆕 Changelog

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