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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

Connector by nyo-agentti · GitHub account verified by the MCP Registry

IndexedLicense unknownRemote (HTTP)
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Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/nyo-agentti-einvoice-validator

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

  • https://einvoice-validator-k2qw.onrender.com/mcp Remote (HTTP)

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About

Validate XRechnung, Peppol BIS 3 and EN 16931 invoices with KoSIT; explain rules; check auto-repair

Reviews

Write a review

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools
2 read · 0 write · 0 deleteRead-only
Secrets
None asked for
Install scripts
Nothing to install (hosted)
Runs as
Hosted (remote endpoint)

Tools by what they do 2

From the running server's own tool list (tools/list) on Oct 25, 2026.

Read 2 · Look things up without changing anything.

  • explain_rule
  • validate_einvoice

Network hosts it talks to 1

  • einvoice-validator-k2qw.onrender.com · found in remote endpoint, install command

Tools (2)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

  • explain_ruleExplain an e-invoice business ruleread-only

    Explain an EN 16931 / XRechnung / Peppol business rule by id (e.g. BR-CO-10, BR-DE-15, PEPPOL-EN16931-R001): what it means and how to fix it.

  • validate_einvoiceValidate an e-invoiceread-only

    Validate an XRechnung / Peppol BIS 3 / EN 16931 e-invoice (UBL 2.1 Invoice/CreditNote or CII CrossIndustryInvoice XML) with the official KoSIT validator. Returns accepted/rejected, the matched scenario and every error and warning with rule id, message, location and a link to a plain-language explanation. For rejected files it also reports which errors an automatic repair removes (measured on this file).

Signals

Last release
Oct 24, 2026 (6 days ago)

Details

Registry name
io.github.nyo-agentti/einvoice-validator
Version
1.0.0
Auth
Auth not stated
License
License unknown
Website
nyo-agentti.github.io/
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
Official MCP Registry

More from nyo-agentti

Cite this page

E-invoice validator & repair check (XRechnung, Peppol BIS 3, EN 16931) MCP server. Agent Mart. https://agentmart.dev/connectors/nyo-agentti-einvoice-validator (last updated 2026-10-24)