XSD Retrieval MCP Server

A Model Context Protocol (MCP) server for retrieving and analyzing XSD (XML Schema Definition) files.

Description

This MCP server provides tools for retrieving XSD files from URLs or local paths, validating them, and analyzing their elements. Integrates with any LLM model.

Features

The server provides the following MCP tools:

1. retrieve_xsd - Retrieve an XSD file from a URL or file path
2. validate_xsd - Validate if the retrieved content is a valid XSD
3. list_xsd_elements - List elements defined in an XSD
4. get_mcp_server_info - Get MCP server information including name and version (v1.2.0+)

Installation

npm install
npm run build

Usage

To run the server:

npm start

The server communicates via stdio and can be integrated with any MCP-compatible client.

Tool: retrieve_xsd

Retrieves an XSD file from a URL or local path.

Parameters:

• source (string, required): URL or file path to the XSD file
• save_path (string, optional): Local path where to save the retrieved XSD file

Tool: validate_xsd

Validates if the provided content is a valid XSD.

Parameters:

• xsd_content (string, required): XSD content to validate

Tool: list_xsd_elements

Lists elements defined in an XSD.

Parameters:

• xsd_content (string, required): XSD content to analyze

Tool: get_mcp_server_info

Get MCP server information including name and version.

Parameters:

• None

Recent Improvements (v1.2.0)

• Enhanced XML/XSD parsing with improved regex patterns for better accuracy
• Better error handling with graceful degradation for malformed content
• New get_mcp_server_info tool to retrieve server name and version
• Improved namespace extraction with proper prefix and URI handling
• Enhanced element attribute extraction for both self-closing and container elements
• Better deduplication logic for elements with the same name
• Added comprehensive test suite with 9 new tests for XML parsing

Contributing

1. Fork the repository
2. Create a feature branch (git checkout -b feature/AmazingFeature)
3. Commit your changes (git commit -m 'Add some AmazingFeature')
4. Push to the branch (git push origin feature/AmazingFeature)
5. Open a Pull Request

License

Distributed under the MIT License. See LICENSE for more information.