Best XML MCP Servers
XML (Extensible Markup Language) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable, developed by the World Wide Web Consortium (W3C).
Why this server?
Provides access to e-invoice XML data through the get_einvoice_xml tool for managing compliant electronic invoices.
AlicenseBqualityAmaintenanceInvoicing, full accounting, year-end preparation and taxes for freelancers and small businesses in the EU, including Germany and Poland.3446 PyPI62MITWhy this server?
The native diagram format supported across all approaches, rendered inline in chat or opened in the draw.io editor.

drawio MCP Serverofficial
AlicenseAqualityAmaintenanceOfficial draw.io MCP server: create diagrams from Mermaid, XML or CSV, shown inline in Claude, ChatGPT, VS Code and Cursor or opened in the draw.io editor. Searches 10,000+ shapes.85,720Apache 2.0Why this server?
Validates XML instance documents against XSD schemas, checks SDC4 schema compliance, and classifies validation errors into structural and semantic tiers.

sdcvalidatorofficial
AlicenseAqualityAmaintenanceMCP server for validating SDC4 XML instances against XSD schemas, with two-tier error classification and SDC4 compliance checks.31Apache 2.0Why this server?
Supports mocking XML-based protocols such as SOAP and defining XML response bodies.
Why this server?
Formats responses in XML using defensive RAG formatting to mitigate prompt injection attacks.
Why this server?
Enables the creation, reading, and validation of Stella system dynamics models by programmatically generating and parsing XMILE-compliant XML files.
AlicenseBqualityBmaintenanceEnables AI assistants to programmatically create, read, validate, and modify Stella system dynamics models in the XMILE format. It supports building complex stock-and-flow diagrams and exporting them as .stmx files for use in Stella Professional.444MITWhy this server?
Enables the programmatic creation, modification, and export of workflow diagrams in the industry-standard BPMN 2.0 XML format.
AlicenseAqualityDmaintenanceAn MCP server that enables AI assistants to programmatically create, modify, and export BPMN 2.0 workflow diagrams. It supports managing various process elements and sequence flows while providing export capabilities to standard XML and SVG formats.715MITWhy this server?
Provides tools for interacting with and validating TEI (Text Encoding Initiative) XML documents, including element lookup, attribute resolution, content model expansion, and validation against the TEI P5 specification and ODD customizations.
AlicenseAqualityCmaintenanceHelps AI agents read and write valid TEI XML. Element lookup, attribute resolution, content model expansion, nesting validation, document validation, and ODD customisation.213MITWhy this server?
Enables parsing of XML sitemaps to automate the extraction and submission of website URLs to indexing services.
AlicenseAqualityCmaintenanceSubmit URLs for instant indexing via IndexNow and Google Indexing API687 npm2MIT