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einvoice-api MCP

einvoice-api MCP

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by einvoiceapi
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TypeScript
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EU E-Invoice API: examples and MCP server

Client code for the EU E-Invoice API, a REST API that validates, parses and generates EU e-invoices: XRechnung, ZUGFeRD / Factur-X, Peppol BIS Billing 3.0, the French rules BR-FR, CIUS-RO, HR-CIUS, FatturaPA, KSeF FA(3) and plain EN 16931.

Folder

What it is

examples/

Copy-paste examples in curl, Python, TypeScript, Java and C#

mcp-server/

MCP server for AI assistants and agents, on npm as @einvoiceapi/mcp

gemini-extension.json, GEMINI.md

Gemini CLI extension: gemini extensions install https://github.com/einvoiceapi/einvoice-api

context7.json

Rules for coding agents (Context7)

Get an API key in the developer portal (Free plan: 100 documents a month, no payment details) and set it as EINVOICE_API_KEY. Never commit it: keep it in the environment or a local .env file (ignored here).

npx -y @einvoiceapi/mcp

Documentation for developers and coding agents: https://einvoice-api.eu/llms.txt, OpenAPI: https://einvoice-api.eu/openapi.json, every validation rule: https://einvoice-api.eu/rules/

This repository is published from the API's own repository; changes made here are overwritten. The API is self-service and comes without personal support, so issues are switched off. The code is MIT-licensed (LICENSE); using the API is subject to its terms (https://einvoice-api.eu/agb.html).

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Recent tool additions, removals, and schema changes observed during successful MCP inspections.

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