📌Overview

Purpose: The MCP server aims to provide tools for checking the latest stable package versions from various package registries, ensuring that code recommendations are up-to-date.

Overview: The MCP package version server supports multiple programming languages and registries including npm, PyPI, Maven Central, Go Proxy, Swift, AWS Bedrock, Docker Hub, and GitHub Actions. It enhances the reliability of software dependencies by enabling developers to retrieve current package versions easily.

Key Features:

• Multi-Registry Support: Allows checking of the latest stable versions across various package registries for different languages, enhancing cross-language compatibility.

• Detailed Dependency Management Tools: Provides specific tools for different package formats, enabling users to check and manage dependencies effectively for Node.js, Python, Go, Java, Swift, GitHub Actions, and Docker.

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Package Version MCP Server

An MCP server that provides tools for checking the latest stable package versions from multiple registries:

• npm (Node.js/JavaScript)
• PyPI (Python)
• Maven Central (Java)
• Go Proxy (Go)
• Swift Packages (Swift)
• AWS Bedrock (AI Models)
• Docker Hub (Container Images)
• GitHub Container Registry (Container Images)
• GitHub Actions

This server helps LLMs ensure they're recommending up-to-date package versions when writing code.

Running

Installing via Smithery

To install Package Version for Claude Desktop automatically via Smithery:

npx -y @smithery/cli install mcp-package-version --client claude

Configure MCP Settings

Add the following to your MCP settings file:

{
  "mcpServers": {
    "package-version": {
      "command": "npx",
      "args": ["-y", "mcp-package-version"]
    }
  }
}

Tools

JavaScript/Node.js

check_npm_versions

Check latest stable versions for npm packages from a package.json dependencies object.

use_mcp_tool({
  server_name: "package-version",
  tool_name: "check_npm_versions",
  arguments: {
    dependencies: {
      "express": "^4.17.1",
      "react": "^17.0.2"
    }
  }
});

Python

check_python_versions
Check latest stable versions for Python packages from requirements.txt entries.

check_pyproject_versions
Check latest stable versions for Python packages from pyproject.toml.

use_mcp_tool({
  server_name: "package-version",
  tool_name: "check_pyproject_versions",
  arguments: {
    dependencies: {
      dependencies: {
        "requests": "^2.28.0",
        "pandas": ">=1.5.0"
      },
      "optional-dependencies": {
        "test": {
          "pytest": ">=7.0.0"
        }
      },
      "dev-dependencies": {
        "black": "^22.0.0"
      }
    }
  }
});

use_mcp_tool({
  server_name: "package-version",
  tool_name: "check_python_versions",
  arguments: {
    requirements: [
      "requests==2.26.0",
      "pandas>=1.3.0"
    ]
  }
});

Go

check_go_versions
Check latest stable versions for Go packages from go.mod.

use_mcp_tool({
  server_name: "package-version",
  tool_name: "check_go_versions",
  arguments: {
    dependencies: {
      module: "example.com/mymodule",
      require: [
        {
          path: "github.com/gin-gonic/gin",
          version: "v1.7.0"
        }
      ],
      replace: [
        {
          old: "github.com/old/pkg",
          new: "github.com/new/pkg",
          version: "v2.0.0"
        }
      ]
    }
  }
});

Java

check_maven_versions
Check latest stable versions for Java packages from pom.xml.

use_mcp_tool({
  server_name: "package-version",
  tool_name: "check_maven_versions",
  arguments: {
    dependencies: [
      {
        groupId: "org.springframework.boot",
        artifactId: "spring-boot-starter-web",
        version: "2.7.0",
        scope: "compile"
      }
    ]
  }
});

AWS Bedrock

check_bedrock_models
Search, list, and get information about Amazon Bedrock AI models.

use_mcp_tool({
  server_name: "package-version",
  tool_name: "check_bedrock_models",
  arguments: {
    action: "list"
  }
});

get_latest_bedrock_model
Get the latest Claude Sonnet model from Amazon Bedrock.

use_mcp_tool({
  server_name: "package-version",
  tool_name: "get_latest_bedrock_model",
  arguments: {}
});

GitHub Actions

check_github_actions
Check latest versions for GitHub Actions.

use_mcp_tool({
  server_name: "package-version",
  tool_name: "check_github_actions",
  arguments: {
    actions: [
      {
        owner: "actions",
        repo: "checkout",
        currentVersion: "v3"
      },
      {
        owner: "actions",
        repo: "setup-node",
        currentVersion: "v3"
      }
    ],
    includeDetails: true 
  }
});

Docker Container Images

check_docker_tags
Check available tags for Docker container images.

use_mcp_tool({
  server_name: "package-version",
  tool_name: "check_docker_tags",
  arguments: {
    image: "nginx",
    limit: 5
  }
});

Example Integrations

Node.js Project

const versions = await use_mcp_tool({
  server_name: "package-version",
  tool_name: "check_npm_versions",
  arguments: {
    dependencies: {
      "express": "^4.17.1",
      "typescript": "~4.5.0"
    }
  }
});

Python Project with pyproject.toml

const versions = await use_mcp_tool({
  server_name: "package-version",
  tool_name: "check_pyproject_versions",
  arguments: {
    dependencies: {
      dependencies: {
        "requests": "^2.28.0",
        "pandas": ">=1.5.0"
      }
    }
  }
});

Development

1. Clone and Install Dependencies

   git clone https://github.com/sammcj/mcp-package-version.git
   cd mcp-package-version
   npm i
   

2. Build the Server

   npm run build
   

3. Development Workflow

   • Use npm run watch for development to automatically rebuild on changes.

4. Release Process

   npm run bump
   

5. Manual npm Publishing

   gh workflow run publish.yml
   

License

MIT