MCP server

xmlvalid Official

com.xmlvalid/xmlvalid

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Validate XML and e-invoices (XSD, DTD, RelaxNG, EN 16931, Peppol, XRechnung), explain errors

Website

At a glance

Type

MCP server

Publisher

xmlvalid.com (verified by the MCP Registry)

Status

Working at last check

Tools

5

Token cost

About 1,014 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

25 Oct 2026, 20:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http xmlvalid https://xmlvalid.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.xmlvalid]
url = "https://xmlvalid.com/mcp"

Gemini CLI

{"mcpServers":{"xmlvalid":{"httpUrl":"https://xmlvalid.com/mcp"}}}

Cursor

{"mcpServers":{"xmlvalid":{"url":"https://xmlvalid.com/mcp"}}}

VS Code

{"servers":{"xmlvalid":{"type":"http","url":"https://xmlvalid.com/mcp"}}}

Antigravity

agy mcp add xmlvalid https://xmlvalid.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"xmlvalid","server_url":"https://xmlvalid.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"xmlvalid","server_url":"https://xmlvalid.com/mcp"}

Tools

• explain_error ~158 tokens
  Explain an XML parsing or schema validation error message: what it means, why it happens and how to fix it, with an example. Understands libxml2 (xmllint, PHP, Python lxml, xmlvalid), Java (Xerces cvc-* codes, SAXParseException) and .NET (System.Xml) wording; paste the message as reported, stack tra
• explain_rule ~124 tokens
  Explain an e-invoicing business rule by its id, such as BR-CO-15, BR-DE-1, PEPPOL-EN16931-R001 or a national CIUS rule: its message, level, the rule sets it belongs to, why invoices fail it and how to fix them. No API key needed.
• get_validation ~100 tokens
  The status and result of a validation started with validate_xml that was still running when it returned (status "queued" or "running"). Results are kept for 24 hours.
• search_schemas ~151 tokens
  Search xmlvalid's catalog of official XML schemas (UBL, CII, Peppol, XRechnung, Factur-X, ISO 20022, HL7, sitemaps…) by name, namespace, root element or area. Returns each schema's slug to pass to validate_xml, its version and the business rules it checks. No API key needed.
• validate_xml ~481 tokens
  Validate an XML document with xmlvalid: well-formedness, an XSD, DTD or RelaxNG schema, and for e-invoices the Schematron business rules of EN 16931, Peppol BIS, XRechnung, Factur-X and national formats. Pass the document as `xml` (its text) or `url` (a public http(s) address), and a `schema`: a cat

Browse

• Invoicing and accounting

Related MCP servers

• E-invoice validator & repair check (XRechnung, Peppol BIS 3, EN 16931)
  Validate XRechnung, Peppol BIS 3 and EN 16931 invoices with KoSIT; explain rules; check auto-repair
• Invoiceer e-invoicing tools
  Create and validate XRechnung, ZUGFeRD and Peppol e-invoices (KoSIT); Peppol lookup, rule help.
• NormAPI
  Validate, generate and read German e-invoices (XRechnung, ZUGFeRD) against the official KoSIT rules.
• Attestwire
  EN 16931: validate invoice data, UBL/CII or PDF; emit XRechnung/Peppol XML, never a PDF.
• invowerk
  E-invoice checker for ZUGFeRD, Factur-X, XRechnung and Peppol BIS. Free web tool, API and MCP.
• Agent Decision & Evidence Tools (MCP + x402)
  40 MCP tools: multi-chain RPC, market and transaction decisions, AI, EU compliance and US imports
• Causaprima Scribo
  EN 16931-compliant e-invoices: XRechnung, ZUGFeRD, Factur-X, Peppol BIS, Facturae or US PDF. Free.
• Doxis AI.dp (Klippa DocHorizon) MCP by usefulapi
  Capture invoices, receipts, IDs and bank statements with Doxis AI.dp; split, render, convert files.

Badge for your README

[![AptLynx](https://aptlynx.net/badge/com.xmlvalid/xmlvalid.svg)](https://aptlynx.net/servers/com.xmlvalid/xmlvalid)

Listing text is written by the maker; AptLynx lists tools and does not vouch for them. Find another tool · Browse by topic · For agents