"""FastMCP server for PyPI package queries.""" import logging from typing import Any import click from fastmcp import FastMCP from .core.exceptions import InvalidPackageNameError, NetworkError, PackageNotFoundError, SearchError from .prompts import ( analyze_daily_trends, analyze_environment_dependencies, analyze_package_quality, audit_security_risks, check_outdated_packages, compare_packages, find_trending_packages, generate_migration_checklist, generate_update_plan, plan_package_migration, plan_version_upgrade, resolve_dependency_conflicts, suggest_alternatives, track_package_updates, ) from .tools import ( check_pypi_credentials, check_python_compatibility, delete_pypi_release, download_package_with_dependencies, find_alternatives, get_compatible_python_versions, get_package_download_stats, get_package_download_trends, get_pypi_account_info, get_pypi_upload_history, get_top_packages_by_downloads, get_trending_packages, manage_pypi_maintainers, query_package_dependencies, query_package_info, query_package_versions, resolve_package_dependencies, search_by_category, search_packages, upload_package_to_pypi, ) # Configure logging logging.basicConfig( level=logging.INFO, format="%(asctime)s - %(name)s - %(levelname)s - %(message)s" ) logger = logging.getLogger(__name__) # Create FastMCP application mcp = FastMCP("PyPI Query MCP Server") @mcp.tool() async def get_package_info(package_name: str) -> dict[str, Any]: """Query comprehensive information about a PyPI package. This tool retrieves detailed information about a Python package from PyPI, including metadata, description, author information, dependencies, and more. Args: package_name: The name of the PyPI package to query (e.g., 'requests', 'django') Returns: Dictionary containing comprehensive package information including: - Basic metadata (name, version, summary, description) - Author and maintainer information - License and project URLs - Python version requirements - Dependencies and classifiers - Version history summary Raises: InvalidPackageNameError: If package name is empty or invalid PackageNotFoundError: If package is not found on PyPI NetworkError: For network-related errors """ try: logger.info(f"MCP tool: Querying package info for {package_name}") result = await query_package_info(package_name) logger.info(f"Successfully retrieved info for package: {package_name}") return result except (InvalidPackageNameError, PackageNotFoundError, NetworkError) as e: logger.error(f"Error querying package {package_name}: {e}") return { "error": str(e), "error_type": type(e).__name__, "package_name": package_name, } except Exception as e: logger.error(f"Unexpected error querying package {package_name}: {e}") return { "error": f"Unexpected error: {e}", "error_type": "UnexpectedError", "package_name": package_name, } @mcp.tool() async def get_package_versions(package_name: str) -> dict[str, Any]: """Get version information for a PyPI package. This tool retrieves comprehensive version information for a Python package, including all available versions, release details, and distribution formats. Args: package_name: The name of the PyPI package to query (e.g., 'requests', 'numpy') Returns: Dictionary containing version information including: - Latest version and total version count - List of all available versions (sorted) - Recent versions with release details - Distribution format information (wheel, source) Raises: InvalidPackageNameError: If package name is empty or invalid PackageNotFoundError: If package is not found on PyPI NetworkError: For network-related errors """ try: logger.info(f"MCP tool: Querying versions for {package_name}") result = await query_package_versions(package_name) logger.info(f"Successfully retrieved versions for package: {package_name}") return result except (InvalidPackageNameError, PackageNotFoundError, NetworkError) as e: logger.error(f"Error querying versions for {package_name}: {e}") return { "error": str(e), "error_type": type(e).__name__, "package_name": package_name, } except Exception as e: logger.error(f"Unexpected error querying versions for {package_name}: {e}") return { "error": f"Unexpected error: {e}", "error_type": "UnexpectedError", "package_name": package_name, } @mcp.tool() async def get_package_dependencies( package_name: str, version: str | None = None, include_transitive: bool = False, max_depth: int = 5, python_version: str | None = None, ) -> dict[str, Any]: """Get dependency information for a PyPI package. This tool retrieves comprehensive dependency information for a Python package, including runtime dependencies, development dependencies, and optional dependencies. When include_transitive=True, provides complete dependency tree analysis. Args: package_name: The name of the PyPI package to query (e.g., 'django', 'flask') version: Specific version to query (optional, defaults to latest version) include_transitive: Whether to include transitive dependencies (default: False) max_depth: Maximum recursion depth for transitive dependencies (default: 5) python_version: Target Python version for dependency filtering (optional) Returns: Dictionary containing dependency information including: - Runtime dependencies and development dependencies - Optional dependency groups - Python version requirements - Dependency counts and summary statistics - Transitive dependency tree (if include_transitive=True) - Circular dependency detection - Performance impact analysis - Complexity scoring Raises: InvalidPackageNameError: If package name is empty or invalid PackageNotFoundError: If package is not found on PyPI NetworkError: For network-related errors """ try: logger.info( f"MCP tool: Querying dependencies for {package_name}" + (f" version {version}" if version else " (latest)") + ( f" with transitive dependencies (max depth: {max_depth})" if include_transitive else " (direct only)" ) ) result = await query_package_dependencies( package_name, version, include_transitive, max_depth, python_version ) logger.info(f"Successfully retrieved dependencies for package: {package_name}") return result except (InvalidPackageNameError, PackageNotFoundError, NetworkError) as e: logger.error(f"Error querying dependencies for {package_name}: {e}") return { "error": str(e), "error_type": type(e).__name__, "package_name": package_name, "version": version, "include_transitive": include_transitive, "max_depth": max_depth, "python_version": python_version, } except Exception as e: logger.error(f"Unexpected error querying dependencies for {package_name}: {e}") return { "error": f"Unexpected error: {e}", "error_type": "UnexpectedError", "package_name": package_name, "version": version, "include_transitive": include_transitive, "max_depth": max_depth, "python_version": python_version, } @mcp.tool() async def check_package_python_compatibility( package_name: str, target_python_version: str, use_cache: bool = True ) -> dict[str, Any]: """Check if a package is compatible with a specific Python version. This tool analyzes a package's Python version requirements and determines if it's compatible with your target Python version. Args: package_name: The name of the PyPI package to check (e.g., 'django', 'requests') target_python_version: Target Python version to check (e.g., '3.9', '3.10.5', '3.11') use_cache: Whether to use cached package data (default: True) Returns: Dictionary containing detailed compatibility information including: - Compatibility status (True/False) - Source of compatibility information (requires_python or classifiers) - Detailed analysis and suggestions - Package version requirements Raises: InvalidPackageNameError: If package name is empty or invalid PackageNotFoundError: If package is not found on PyPI NetworkError: For network-related errors """ try: logger.info( f"MCP tool: Checking Python {target_python_version} compatibility for {package_name}" ) result = await check_python_compatibility( package_name, target_python_version, use_cache ) logger.info(f"Compatibility check completed for {package_name}") return result except (InvalidPackageNameError, PackageNotFoundError, NetworkError) as e: logger.error(f"Error checking compatibility for {package_name}: {e}") return { "error": str(e), "error_type": type(e).__name__, "package_name": package_name, "target_python_version": target_python_version, } except Exception as e: logger.error(f"Unexpected error checking compatibility for {package_name}: {e}") return { "error": f"Unexpected error: {e}", "error_type": "UnexpectedError", "package_name": package_name, "target_python_version": target_python_version, } @mcp.tool() async def get_package_compatible_python_versions( package_name: str, python_versions: list[str] | None = None, use_cache: bool = True ) -> dict[str, Any]: """Get all Python versions compatible with a package. This tool analyzes a package and returns which Python versions are compatible with it, along with recommendations. Args: package_name: The name of the PyPI package to analyze (e.g., 'numpy', 'pandas') python_versions: List of Python versions to check (optional, defaults to common versions) use_cache: Whether to use cached package data (default: True) Returns: Dictionary containing compatibility information including: - List of compatible Python versions - List of incompatible versions with reasons - Compatibility rate and recommendations - Package version requirements Raises: InvalidPackageNameError: If package name is empty or invalid PackageNotFoundError: If package is not found on PyPI NetworkError: For network-related errors """ try: logger.info(f"MCP tool: Getting compatible Python versions for {package_name}") result = await get_compatible_python_versions( package_name, python_versions, use_cache ) logger.info(f"Compatible versions analysis completed for {package_name}") return result except (InvalidPackageNameError, PackageNotFoundError, NetworkError) as e: logger.error(f"Error getting compatible versions for {package_name}: {e}") return { "error": str(e), "error_type": type(e).__name__, "package_name": package_name, } except Exception as e: logger.error( f"Unexpected error getting compatible versions for {package_name}: {e}" ) return { "error": f"Unexpected error: {e}", "error_type": "UnexpectedError", "package_name": package_name, } @mcp.tool() async def resolve_dependencies( package_name: str, python_version: str | None = None, include_extras: list[str] | None = None, include_dev: bool = False, max_depth: int = 5, ) -> dict[str, Any]: """Resolve all dependencies for a PyPI package recursively. This tool performs comprehensive dependency resolution for a Python package, analyzing the complete dependency tree including transitive dependencies. Args: package_name: The name of the PyPI package to analyze (e.g., 'pyside2', 'django') python_version: Target Python version for dependency filtering (e.g., '3.10', '3.11') include_extras: List of extra dependency groups to include. These are optional dependency groups defined by the package (e.g., ['socks'] for requests, ['argon2', 'bcrypt'] for django, ['test', 'doc'] for setuptools). Check the package's PyPI page or use the provides_extra field to see available extras. include_dev: Whether to include development dependencies (default: False) max_depth: Maximum recursion depth for dependency resolution (default: 5) Returns: Dictionary containing comprehensive dependency analysis including: - Complete dependency tree with all transitive dependencies - Dependency categorization (runtime, development, extras) - Package metadata for each dependency - Summary statistics and analysis Raises: InvalidPackageNameError: If package name is empty or invalid PackageNotFoundError: If package is not found on PyPI NetworkError: For network-related errors """ try: logger.info( f"MCP tool: Resolving dependencies for {package_name} " f"(Python {python_version}, extras: {include_extras})" ) result = await resolve_package_dependencies( package_name=package_name, python_version=python_version, include_extras=include_extras, include_dev=include_dev, max_depth=max_depth, ) logger.info(f"Successfully resolved dependencies for package: {package_name}") return result except (InvalidPackageNameError, PackageNotFoundError, NetworkError) as e: logger.error(f"Error resolving dependencies for {package_name}: {e}") return { "error": str(e), "error_type": type(e).__name__, "package_name": package_name, "python_version": python_version, } except Exception as e: logger.error(f"Unexpected error resolving dependencies for {package_name}: {e}") return { "error": f"Unexpected error: {e}", "error_type": "UnexpectedError", "package_name": package_name, "python_version": python_version, } @mcp.tool() async def download_package( package_name: str, download_dir: str = "./downloads", python_version: str | None = None, include_extras: list[str] | None = None, include_dev: bool = False, prefer_wheel: bool = True, verify_checksums: bool = True, max_depth: int = 5, ) -> dict[str, Any]: """Download a PyPI package and all its dependencies to local directory. This tool downloads a Python package and all its dependencies, providing comprehensive package collection for offline installation or analysis. Args: package_name: The name of the PyPI package to download (e.g., 'pyside2', 'requests') download_dir: Local directory to download packages to (default: './downloads') python_version: Target Python version for compatibility (e.g., '3.10', '3.11') include_extras: List of extra dependency groups to include. These are optional dependency groups defined by the package (e.g., ['socks'] for requests, ['argon2', 'bcrypt'] for django). Check the package's PyPI page to see available extras. include_dev: Whether to include development dependencies (default: False) prefer_wheel: Whether to prefer wheel files over source distributions (default: True) verify_checksums: Whether to verify downloaded file checksums (default: True) max_depth: Maximum dependency resolution depth (default: 5) Returns: Dictionary containing download results including: - Download statistics and file information - Dependency resolution results - File verification results - Success/failure summary for each package Raises: InvalidPackageNameError: If package name is empty or invalid PackageNotFoundError: If package is not found on PyPI NetworkError: For network-related errors """ try: logger.info( f"MCP tool: Downloading {package_name} and dependencies to {download_dir} " f"(Python {python_version})" ) result = await download_package_with_dependencies( package_name=package_name, download_dir=download_dir, python_version=python_version, include_extras=include_extras, include_dev=include_dev, prefer_wheel=prefer_wheel, verify_checksums=verify_checksums, max_depth=max_depth, ) logger.info(f"Successfully downloaded {package_name} and dependencies") return result except (InvalidPackageNameError, PackageNotFoundError, NetworkError) as e: logger.error(f"Error downloading {package_name}: {e}") return { "error": str(e), "error_type": type(e).__name__, "package_name": package_name, "download_dir": download_dir, } except Exception as e: logger.error(f"Unexpected error downloading {package_name}: {e}") return { "error": f"Unexpected error: {e}", "error_type": "UnexpectedError", "package_name": package_name, "download_dir": download_dir, } @mcp.tool() async def get_download_statistics( package_name: str, period: str = "month", use_cache: bool = True ) -> dict[str, Any]: """Get download statistics for a PyPI package. This tool retrieves comprehensive download statistics for a Python package, including recent download counts, trends, and analysis. Args: package_name: The name of the PyPI package to analyze (e.g., 'requests', 'numpy') period: Time period for recent downloads ('day', 'week', 'month', default: 'month') use_cache: Whether to use cached data for faster responses (default: True) Returns: Dictionary containing download statistics including: - Recent download counts (last day/week/month) - Package metadata and repository information - Download trends and growth analysis - Data source and timestamp information Raises: InvalidPackageNameError: If package name is empty or invalid PackageNotFoundError: If package is not found on PyPI NetworkError: For network-related errors """ try: logger.info( f"MCP tool: Getting download statistics for {package_name} (period: {period})" ) result = await get_package_download_stats(package_name, period, use_cache) logger.info( f"Successfully retrieved download statistics for package: {package_name}" ) return result except (InvalidPackageNameError, PackageNotFoundError, NetworkError) as e: logger.error(f"Error getting download statistics for {package_name}: {e}") return { "error": str(e), "error_type": type(e).__name__, "package_name": package_name, "period": period, } except Exception as e: logger.error( f"Unexpected error getting download statistics for {package_name}: {e}" ) return { "error": f"Unexpected error: {e}", "error_type": "UnexpectedError", "package_name": package_name, "period": period, } @mcp.tool() async def get_download_trends( package_name: str, include_mirrors: bool = False, use_cache: bool = True ) -> dict[str, Any]: """Get download trends and time series for a PyPI package. This tool retrieves detailed download trends and time series data for a Python package, providing insights into download patterns over the last 180 days. Args: package_name: The name of the PyPI package to analyze (e.g., 'django', 'flask') include_mirrors: Whether to include mirror downloads in analysis (default: False) use_cache: Whether to use cached data for faster responses (default: True) Returns: Dictionary containing download trends including: - Time series data for the last 180 days - Trend analysis (increasing/decreasing/stable) - Peak download periods and statistics - Average daily downloads and growth indicators Raises: InvalidPackageNameError: If package name is empty or invalid PackageNotFoundError: If package is not found on PyPI NetworkError: For network-related errors """ try: logger.info( f"MCP tool: Getting download trends for {package_name} " f"(include_mirrors: {include_mirrors})" ) result = await get_package_download_trends( package_name, include_mirrors, use_cache ) logger.info( f"Successfully retrieved download trends for package: {package_name}" ) return result except (InvalidPackageNameError, PackageNotFoundError, NetworkError) as e: logger.error(f"Error getting download trends for {package_name}: {e}") return { "error": str(e), "error_type": type(e).__name__, "package_name": package_name, "include_mirrors": include_mirrors, } except Exception as e: logger.error( f"Unexpected error getting download trends for {package_name}: {e}" ) return { "error": f"Unexpected error: {e}", "error_type": "UnexpectedError", "package_name": package_name, "include_mirrors": include_mirrors, } @mcp.tool() async def get_top_downloaded_packages( period: str = "month", limit: int = 20 ) -> dict[str, Any]: """Get the most downloaded PyPI packages. This tool retrieves a list of the most popular Python packages by download count, helping you discover trending and widely-used packages in the Python ecosystem. Args: period: Time period for download ranking ('day', 'week', 'month', default: 'month') limit: Maximum number of packages to return (default: 20, max: 50) Returns: Dictionary containing top packages information including: - Ranked list of packages with download counts - Package metadata and repository links - Period and ranking information - Data source and limitations Note: Due to API limitations, this tool provides results based on known popular packages. For comprehensive data analysis, consider using Google BigQuery with PyPI datasets. """ try: # Limit the maximum number of packages to prevent excessive API calls actual_limit = min(limit, 50) logger.info( f"MCP tool: Getting top {actual_limit} packages for period: {period}" ) result = await get_top_packages_by_downloads(period, actual_limit) logger.info("Successfully retrieved top packages list") return result except Exception as e: logger.error(f"Error getting top packages: {e}") return { "error": f"Unexpected error: {e}", "error_type": "UnexpectedError", "period": period, "limit": limit, } @mcp.tool() async def search_pypi_packages( query: str, limit: int = 20, python_versions: list[str] | None = None, licenses: list[str] | None = None, categories: list[str] | None = None, min_downloads: int | None = None, maintenance_status: str | None = None, has_wheels: bool | None = None, sort_by: str = "relevance", sort_desc: bool = True, semantic_search: bool = False, ) -> dict[str, Any]: """Search PyPI packages with advanced filtering and sorting. This tool provides comprehensive search functionality for PyPI packages with advanced filtering options, multiple sorting criteria, and semantic search capabilities. Args: query: Search query string (required) limit: Maximum number of results to return (default: 20, max: 100) python_versions: Filter by Python versions (e.g., ["3.9", "3.10", "3.11"]) licenses: Filter by license types (e.g., ["mit", "apache", "bsd", "gpl"]) categories: Filter by categories (e.g., ["web", "data-science", "testing"]) min_downloads: Minimum monthly downloads threshold maintenance_status: Filter by maintenance status ("active", "maintained", "stale", "abandoned") has_wheels: Filter packages that have wheel distributions (true/false) sort_by: Sort field ("relevance", "popularity", "recency", "quality", "name", "downloads") sort_desc: Sort in descending order (default: true) semantic_search: Use semantic search on package descriptions (default: false) Returns: Dictionary containing search results with packages, metadata, and filtering info Raises: InvalidPackageNameError: If search query is empty or invalid SearchError: If search operation fails """ try: return await search_packages( query=query, limit=limit, python_versions=python_versions, licenses=licenses, categories=categories, min_downloads=min_downloads, maintenance_status=maintenance_status, has_wheels=has_wheels, sort_by=sort_by, sort_desc=sort_desc, semantic_search=semantic_search, ) except (InvalidPackageNameError, PackageNotFoundError, NetworkError): raise except Exception as e: logger.error(f"Error searching packages for '{query}': {e}") return { "error": f"Search failed: {e}", "error_type": "SearchError", "query": query, "limit": limit, } @mcp.tool() async def search_packages_by_category( category: str, limit: int = 20, sort_by: str = "popularity", python_version: str | None = None, ) -> dict[str, Any]: """Search packages by category with popularity sorting. This tool searches for packages in specific categories, making it easy to discover relevant packages for particular use cases or domains. Args: category: Category to search ("web", "data-science", "database", "testing", "cli", "security", "networking", "dev-tools", "cloud", "gui") limit: Maximum number of results to return (default: 20) sort_by: Sort field (default: "popularity") python_version: Filter by Python version compatibility (e.g., "3.10") Returns: Dictionary containing categorized search results Raises: SearchError: If category search fails """ try: return await search_by_category( category=category, limit=limit, sort_by=sort_by, python_version=python_version, ) except Exception as e: logger.error(f"Error searching category '{category}': {e}") return { "error": f"Category search failed: {e}", "error_type": "SearchError", "category": category, "limit": limit, } @mcp.tool() async def find_package_alternatives( package_name: str, limit: int = 10, include_similar: bool = True, ) -> dict[str, Any]: """Find alternative packages to a given package. This tool analyzes a package's functionality and finds similar or alternative packages that could serve the same purpose, useful for evaluating options or finding replacements. Args: package_name: Name of the package to find alternatives for limit: Maximum number of alternatives to return (default: 10) include_similar: Include packages with similar functionality (default: true) Returns: Dictionary containing alternative packages with analysis and recommendations Raises: PackageNotFoundError: If the target package is not found SearchError: If alternatives search fails """ try: return await find_alternatives( package_name=package_name, limit=limit, include_similar=include_similar, ) except (InvalidPackageNameError, PackageNotFoundError, NetworkError): raise except Exception as e: logger.error(f"Error finding alternatives for '{package_name}': {e}") return { "error": f"Alternatives search failed: {e}", "error_type": "SearchError", "package_name": package_name, "limit": limit, } @mcp.tool() async def get_trending_pypi_packages( category: str | None = None, time_period: str = "week", limit: int = 20, ) -> dict[str, Any]: """Get trending packages based on recent download activity. This tool identifies packages that are gaining popularity or have high recent download activity, useful for discovering emerging trends in the Python ecosystem. Args: category: Optional category filter ("web", "data-science", "database", etc.) time_period: Time period for trending analysis ("day", "week", "month") limit: Maximum number of packages to return (default: 20) Returns: Dictionary containing trending packages with analysis and metrics Raises: SearchError: If trending analysis fails """ try: return await get_trending_packages( category=category, time_period=time_period, limit=limit, ) except Exception as e: logger.error(f"Error getting trending packages (category: {category}): {e}") return { "error": f"Trending analysis failed: {e}", "error_type": "SearchError", "category": category, "time_period": time_period, "limit": limit, } # PyPI Publishing and Account Management Tools @mcp.tool() async def upload_package_to_pypi_tool( distribution_paths: list[str], api_token: str | None = None, test_pypi: bool = False, skip_existing: bool = True, verify_uploads: bool = True, ) -> dict[str, Any]: """Upload package distributions to PyPI or TestPyPI. This tool uploads Python package distributions (.whl, .tar.gz files) to PyPI, providing comprehensive upload management with safety checks and verification. Args: distribution_paths: List of paths to distribution files (.whl, .tar.gz) api_token: PyPI API token (or use PYPI_API_TOKEN env var) test_pypi: Whether to upload to TestPyPI instead of production PyPI skip_existing: Skip files that already exist on PyPI verify_uploads: Verify uploads after completion Returns: Dictionary containing upload results and metadata Raises: PyPIAuthenticationError: If authentication fails PyPIUploadError: If upload operations fail NetworkError: For network-related errors """ try: logger.info(f"MCP tool: Uploading {len(distribution_paths)} distributions to {'TestPyPI' if test_pypi else 'PyPI'}") result = await upload_package_to_pypi( distribution_paths=distribution_paths, api_token=api_token, test_pypi=test_pypi, skip_existing=skip_existing, verify_uploads=verify_uploads, ) logger.info(f"Upload completed: {result.get('summary', {})}") return result except Exception as e: logger.error(f"Error uploading packages: {e}") return { "error": str(e), "error_type": type(e).__name__, "distribution_paths": distribution_paths, "test_pypi": test_pypi, } @mcp.tool() async def check_pypi_credentials_tool( api_token: str | None = None, test_pypi: bool = False, ) -> dict[str, Any]: """Validate PyPI API token and credentials. This tool checks if your PyPI API token is valid and provides information about your account permissions and capabilities. Args: api_token: PyPI API token (or use PYPI_API_TOKEN env var) test_pypi: Whether to check against TestPyPI instead of production PyPI Returns: Dictionary containing credential validation results Raises: PyPIAuthenticationError: If credential validation fails NetworkError: For network-related errors """ try: logger.info(f"MCP tool: Checking {'TestPyPI' if test_pypi else 'PyPI'} credentials") result = await check_pypi_credentials(api_token=api_token, test_pypi=test_pypi) logger.info(f"Credential check completed: valid={result.get('valid', False)}") return result except Exception as e: logger.error(f"Error checking credentials: {e}") return { "error": str(e), "error_type": type(e).__name__, "test_pypi": test_pypi, } @mcp.tool() async def get_pypi_upload_history_tool( package_name: str, api_token: str | None = None, test_pypi: bool = False, limit: int = 50, ) -> dict[str, Any]: """Get upload history for a PyPI package. This tool retrieves the upload history for a package, showing all versions, files, and upload metadata with statistics and analysis. Args: package_name: Name of the package to get upload history for api_token: PyPI API token (or use PYPI_API_TOKEN env var) test_pypi: Whether to check TestPyPI instead of production PyPI limit: Maximum number of uploads to return Returns: Dictionary containing upload history and metadata Raises: InvalidPackageNameError: If package name is invalid PackageNotFoundError: If package is not found NetworkError: For network-related errors """ try: logger.info(f"MCP tool: Getting upload history for {package_name}") result = await get_pypi_upload_history( package_name=package_name, api_token=api_token, test_pypi=test_pypi, limit=limit, ) upload_count = result.get('statistics', {}).get('total_uploads', 0) logger.info(f"Retrieved {upload_count} upload records for {package_name}") return result except Exception as e: logger.error(f"Error getting upload history for {package_name}: {e}") return { "error": str(e), "error_type": type(e).__name__, "package_name": package_name, "test_pypi": test_pypi, } @mcp.tool() async def delete_pypi_release_tool( package_name: str, version: str, api_token: str | None = None, test_pypi: bool = False, confirm_deletion: bool = False, dry_run: bool = True, ) -> dict[str, Any]: """Delete a specific release from PyPI (with safety checks). This tool provides safe deletion of PyPI releases with multiple safety checks, dry-run capability, and comprehensive validation. Note that PyPI deletion is very restricted and typically only available to package owners within a limited time window after upload. Args: package_name: Name of the package version: Version to delete api_token: PyPI API token (or use PYPI_API_TOKEN env var) test_pypi: Whether to use TestPyPI instead of production PyPI confirm_deletion: Explicit confirmation required for actual deletion dry_run: If True, only simulate the deletion without actually performing it Returns: Dictionary containing deletion results and safety information Raises: InvalidPackageNameError: If package name is invalid PackageNotFoundError: If package/version is not found PyPIPermissionError: If deletion is not permitted NetworkError: For network-related errors """ try: logger.info(f"MCP tool: {'DRY RUN: ' if dry_run else ''}Deleting {package_name}=={version}") result = await delete_pypi_release( package_name=package_name, version=version, api_token=api_token, test_pypi=test_pypi, confirm_deletion=confirm_deletion, dry_run=dry_run, ) action = result.get('action', 'unknown') logger.info(f"Deletion operation completed: {action}") return result except Exception as e: logger.error(f"Error deleting release {package_name}=={version}: {e}") return { "error": str(e), "error_type": type(e).__name__, "package_name": package_name, "version": version, "test_pypi": test_pypi, } @mcp.tool() async def manage_pypi_maintainers_tool( package_name: str, action: str, username: str | None = None, api_token: str | None = None, test_pypi: bool = False, ) -> dict[str, Any]: """Manage package maintainers (add/remove/list). This tool helps manage package maintainers and collaborators. Note that maintainer management typically requires package owner permissions and may need to be done through the PyPI web interface. Args: package_name: Name of the package action: Action to perform ('list', 'add', 'remove') username: Username to add/remove (required for add/remove actions) api_token: PyPI API token (or use PYPI_API_TOKEN env var) test_pypi: Whether to use TestPyPI instead of production PyPI Returns: Dictionary containing maintainer management results Raises: InvalidPackageNameError: If package name is invalid PackageNotFoundError: If package is not found PyPIPermissionError: If action is not permitted NetworkError: For network-related errors """ try: logger.info(f"MCP tool: Managing maintainers for {package_name}: {action}") result = await manage_pypi_maintainers( package_name=package_name, action=action, username=username, api_token=api_token, test_pypi=test_pypi, ) maintainer_count = result.get('maintainer_count', 0) logger.info(f"Maintainer management completed: {maintainer_count} maintainers") return result except Exception as e: logger.error(f"Error managing maintainers for {package_name}: {e}") return { "error": str(e), "error_type": type(e).__name__, "package_name": package_name, "action": action, "test_pypi": test_pypi, } @mcp.tool() async def get_pypi_account_info_tool( api_token: str | None = None, test_pypi: bool = False, ) -> dict[str, Any]: """Get PyPI account information, quotas, and limits. This tool retrieves information about your PyPI account including permissions, limitations, quotas, and provides recommendations for account security and usage. Args: api_token: PyPI API token (or use PYPI_API_TOKEN env var) test_pypi: Whether to use TestPyPI instead of production PyPI Returns: Dictionary containing account information and limitations Raises: PyPIAuthenticationError: If authentication fails NetworkError: For network-related errors """ try: logger.info(f"MCP tool: Getting account information for {'TestPyPI' if test_pypi else 'PyPI'}") result = await get_pypi_account_info(api_token=api_token, test_pypi=test_pypi) logger.info("Account information retrieved successfully") return result except Exception as e: logger.error(f"Error getting account information: {e}") return { "error": str(e), "error_type": type(e).__name__, "test_pypi": test_pypi, } # Register prompt templates following standard MCP workflow: # 1. User calls tool → MCP client sends request # 2. Tool function executes → Collects necessary data and parameters # 3. Call Prompt generator → Pass parameters to corresponding generator # 4. Load template → Get template with {{parameter}} placeholders # 5. Parameter replacement → Replace {{parameter_name}} with actual values # 6. Environment variable customization → Apply user's custom prompt words # 7. Return final prompt → As tool's response back to AI @mcp.prompt() async def analyze_package_quality_prompt( package_name: str, version: str | None = None ) -> str: """Generate a comprehensive quality analysis prompt for a PyPI package.""" # Step 3: Call Prompt generator template = await analyze_package_quality(package_name, version) # Step 5: Parameter replacement - replace {{parameter_name}} with actual values result = template.replace("{{package_name}}", package_name) # Handle version parameter if version: version_text = f"version {version}" else: version_text = "" result = result.replace("{{version_text}}", version_text) # Step 7: Return final prompt return result @mcp.prompt() async def compare_packages_prompt( packages: list[str], use_case: str, criteria: list[str] | None = None ) -> str: """Generate a detailed comparison prompt for multiple PyPI packages.""" # Step 3: Call Prompt generator template = await compare_packages(packages, use_case, criteria) # Step 5: Parameter replacement packages_text = ", ".join(f"'{pkg}'" for pkg in packages) result = template.replace("{{packages_text}}", packages_text) result = result.replace("{{use_case}}", use_case) # Handle criteria parameter if criteria: criteria_text = ( f"\n\nFocus particularly on these criteria: {', '.join(criteria)}" ) else: criteria_text = "" result = result.replace("{{criteria_text}}", criteria_text) # Step 7: Return final prompt return result @mcp.prompt() async def suggest_alternatives_prompt( package_name: str, reason: str, requirements: str | None = None ) -> str: """Generate a prompt for finding package alternatives.""" # Step 3: Call Prompt generator template = await suggest_alternatives(package_name, reason, requirements) # Step 5: Parameter replacement result = template.replace("{{package_name}}", package_name) # Handle reason parameter with context mapping reason_context = { "deprecated": "the package is deprecated or no longer maintained", "security": "security vulnerabilities or concerns", "performance": "performance issues or requirements", "licensing": "licensing conflicts or restrictions", "maintenance": "poor maintenance or lack of updates", "features": "missing features or functionality gaps", } reason_text = reason_context.get(reason, reason) result = result.replace("{{reason_text}}", reason_text) # Handle requirements parameter if requirements: requirements_text = f"\n\nSpecific requirements: {requirements}" else: requirements_text = "" result = result.replace("{{requirements_text}}", requirements_text) # Step 7: Return final prompt return result @mcp.prompt() async def resolve_dependency_conflicts_prompt( conflicts: list[str], python_version: str | None = None, project_context: str | None = None, ) -> str: """Generate a prompt for resolving dependency conflicts.""" messages = await resolve_dependency_conflicts( conflicts, python_version, project_context ) return messages[0].text @mcp.prompt() async def plan_version_upgrade_prompt( package_name: str, current_version: str, target_version: str | None = None, project_size: str | None = None, ) -> str: """Generate a prompt for planning package version upgrades.""" messages = await plan_version_upgrade( package_name, current_version, target_version, project_size ) return messages[0].text @mcp.prompt() async def audit_security_risks_prompt( packages: list[str], environment: str | None = None, compliance_requirements: str | None = None, ) -> str: """Generate a prompt for security risk auditing of packages.""" messages = await audit_security_risks( packages, environment, compliance_requirements ) return messages[0].text @mcp.prompt() async def plan_package_migration_prompt( from_package: str, to_package: str, codebase_size: str = "medium", timeline: str | None = None, team_size: int | None = None, ) -> str: """Generate a comprehensive package migration plan prompt.""" messages = await plan_package_migration( from_package, to_package, codebase_size, timeline, team_size ) return messages[0].text @mcp.prompt() async def generate_migration_checklist_prompt( migration_type: str, packages_involved: list[str], environment: str = "all" ) -> str: """Generate a detailed migration checklist prompt.""" messages = await generate_migration_checklist( migration_type, packages_involved, environment ) return messages[0].text # Environment Analysis Prompts @mcp.prompt() async def analyze_environment_dependencies_prompt( environment_type: str = "local", python_version: str | None = None, project_path: str | None = None, ) -> str: """Generate a prompt for analyzing environment dependencies.""" # Step 3: Call Prompt generator template = await analyze_environment_dependencies( environment_type, python_version, project_path ) # Step 5: Parameter replacement result = template.replace("{{environment_type}}", environment_type) # Handle environment info env_info = f"({environment_type} environment)" if python_version: env_info += f" with Python {python_version}" if project_path: env_info += f" at {project_path}" result = result.replace("{{environment_info}}", env_info) # Handle command prefix based on environment command_prefix = "uvx " if environment_type in ["virtual", "uv"] else "" result = result.replace("{{command_prefix}}", command_prefix) # Step 7: Return final prompt return result @mcp.prompt() async def check_outdated_packages_prompt( package_filter: str | None = None, severity_level: str = "all", include_dev_dependencies: bool = True, ) -> str: """Generate a prompt for checking outdated packages.""" # Step 3: Call Prompt generator template = await check_outdated_packages( package_filter, severity_level, include_dev_dependencies ) # Step 5: Parameter replacement result = template.replace("{{severity_level}}", severity_level) # Handle filter info if package_filter: filter_info = f" (filtering by: {package_filter})" else: filter_info = "" result = result.replace("{{filter_info}}", filter_info) # Handle dev dependencies if include_dev_dependencies: dev_deps_text = " including development dependencies" else: dev_deps_text = " excluding development dependencies" result = result.replace("{{dev_deps_text}}", dev_deps_text) # Step 7: Return final prompt return result @mcp.prompt() async def generate_update_plan_prompt( update_strategy: str = "balanced", environment_constraints: str | None = None, testing_requirements: str | None = None, ) -> str: """Generate a prompt for creating package update plans.""" # Step 3: Call Prompt generator template = await generate_update_plan( update_strategy, environment_constraints, testing_requirements ) # Step 5: Parameter replacement result = template.replace("{{strategy}}", update_strategy) # Handle constraints if environment_constraints: constraints_text = f"\n\nEnvironment constraints: {environment_constraints}" else: constraints_text = "" result = result.replace("{{constraints_text}}", constraints_text) # Handle testing requirements if testing_requirements: testing_text = f"\n\nTesting requirements: {testing_requirements}" else: testing_text = "" result = result.replace("{{testing_text}}", testing_text) # Step 7: Return final prompt return result # Trending Analysis Prompts @mcp.prompt() async def analyze_daily_trends_prompt( date: str = "today", category: str | None = None, limit: int = 20 ) -> str: """Generate a prompt for analyzing daily PyPI trends.""" # Step 3: Call Prompt generator template = await analyze_daily_trends(date, category, limit) # Step 5: Parameter replacement result = template.replace("{{date}}", date) result = result.replace("{{limit}}", str(limit)) # Handle category filter if category: category_filter = f" focusing on {category} packages" else: category_filter = "" result = result.replace("{{category_filter}}", category_filter) # Step 7: Return final prompt return result @mcp.prompt() async def find_trending_packages_prompt( time_period: str = "weekly", trend_type: str = "rising", domain: str | None = None ) -> str: """Generate a prompt for finding trending packages.""" # Step 3: Call Prompt generator template = await find_trending_packages(time_period, trend_type, domain) # Step 5: Parameter replacement result = template.replace("{{time_period}}", time_period) result = result.replace("{{trend_type}}", trend_type) # Handle domain filter if domain: domain_filter = f" in the {domain} domain" else: domain_filter = "" result = result.replace("{{domain_filter}}", domain_filter) # Step 7: Return final prompt return result @mcp.prompt() async def track_package_updates_prompt( time_range: str = "today", update_type: str = "all", popular_only: bool = False ) -> str: """Generate a prompt for tracking recent package updates.""" # Step 3: Call Prompt generator template = await track_package_updates(time_range, update_type, popular_only) # Step 5: Parameter replacement result = template.replace("{{time_range}}", time_range) result = result.replace("{{update_type}}", update_type) # Handle popularity filter if popular_only: popularity_filter = " (popular packages only)" popularity_description = "Popular packages with >1M downloads" else: popularity_filter = "" popularity_description = "All packages in the ecosystem" result = result.replace("{{popularity_filter}}", popularity_filter) result = result.replace("{{popularity_description}}", popularity_description) # Step 7: Return final prompt return result @click.command() @click.option( "--log-level", default="INFO", type=click.Choice(["DEBUG", "INFO", "WARNING", "ERROR"]), help="Logging level", ) def main(log_level: str) -> None: """Start the PyPI Query MCP Server.""" # Set logging level logging.getLogger().setLevel(getattr(logging, log_level)) logger.info("Starting PyPI Query MCP Server") logger.info(f"Log level set to: {log_level}") # Run the FastMCP server (uses STDIO transport by default) mcp.run() if __name__ == "__main__": main()