e-Fatura MCP Server

e-Fatura MCP Server

Integrates with the Turkish Revenue Administration (GİB) e-Arşiv Fatura system to manage e-invoices via natural language. Users can list, search, create, and cancel invoices, as well as validate Turkish tax numbers and retrieve UBL-TR format XML data.

Category
Visit Server

README

e-Fatura MCP Server

Türkiye Gelir İdaresi Başkanlığı (GİB) e-Arşiv Fatura sistemi ile entegrasyon sağlayan MCP sunucusu.

📝 Read the full story on Medium (Turkish)

English | Türkçe


English

Features

  • 📋 List and search e-Invoices
  • 🔍 Get invoice details and XML
  • ✏️ Create and cancel invoices
  • ✅ Validate Turkish tax numbers (VKN/TCKN)
  • 🎭 Demo mode - Test without real credentials
  • 🔒 Production ready - Auto-switching between demo and real API

Quick Start

1. Install

git clone https://github.com/reyhansunduk/efatura-mcp-server.git
cd efatura-mcp-server
pip install -e .

2. Demo Mode (No credentials needed)

The server works immediately with mock data:

python -m efatura_mcp.server

For test: ⚠️ DEMO MODE: Using mock data

3. Use with Claude Desktop

Create config file:

  • Windows: %APPDATA%\Claude\claude_desktop_config.json
  • macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "efatura": {
      "command": "python",
      "args": ["-m", "efatura_mcp.server"],
      "cwd": "C:\\path\\to\\efatura-mcp-server"
    }
  }
}

4. Test in Claude Desktop

Ask Claude:

List invoices

You should see 5 demo invoices!

Switch to Real GİB API

When ready to use real data:

  1. Edit .env file:
GIB_USERNAME=your_vkn_here
GIB_PASSWORD=your_password_here
GIB_ENVIRONMENT=test
  1. Restart the server

The server automatically switches to real API when credentials are provided.

Available MCP Tools

The server provides 7 MCP tools that Claude can use:

1. list_invoices

List e-Fatura invoices from GIB system.

Parameters:

  • start_date (optional): Start date (YYYY-MM-DD)
  • end_date (optional): End date (YYYY-MM-DD)
  • limit (optional): Max invoices to return (default: 10)

Example: "Show me invoices from last month"

2. get_invoice_detail

Get detailed information for a specific invoice.

Parameters:

  • invoice_id (required): Invoice ID/UUID

Example: "Show details for invoice ABC2024000001"

3. get_invoice_xml

Get invoice HTML/XML content in UBL-TR format.

Parameters:

  • invoice_id (required): Invoice ID/UUID

Example: "Get XML for invoice ABC2024000001"

4. create_invoice

Create new e-Fatura invoice in GIB system.

Parameters:

  • invoice_number, issue_date, supplier_vkn, supplier_name
  • customer_vkn, customer_name, items[], total_amount
  • currency (optional, default: TRY)

Example: "Create invoice for 1000 TRY to customer XYZ"

5. cancel_invoice

Cancel an existing invoice.

Parameters:

  • invoice_id (required): Invoice ID to cancel
  • reason (required): Cancellation reason

Example: "Cancel invoice ABC2024000001 due to error"

6. search_invoices

Search invoices with filters.

Parameters:

  • customer_name, supplier_name (optional)
  • min_amount, max_amount (optional)
  • status (optional): approved, pending, cancelled

Example: "Find invoices over 10000 TRY", "Show pending invoices"

7. validate_tax_number

Validate Turkish tax number (VKN/TCKN).

Parameters:

  • tax_number (required): 10 or 11 digit tax number

Example: "Validate tax number 1234567890"

Getting GİB Credentials

Get Credentials: Use your company's existing e-Fatura credentials

  • Portal: https://earsivportal.efatura.gov.tr (production)
  • Test Portal: https://earsivportaltest.efatura.gov.tr (test)

Project Structure

efatura-mcp-server/
├── src/
│   └── efatura_mcp/
│       ├── server.py           # Main MCP server
│       ├── gib_earsiv_client.py # Real GİB API client
│       └── mock_data.py        # Demo data
├── .env                        # Credentials (gitignored)
├── .env.example               # Template
└── README.md

See SECURITY.md for complete guidelines.

Requirements

  • Python 3.10+
  • Claude Desktop (or any MCP client)

Dependencies are auto-installed with pip install -e .

License

MIT


Türkçe

Özellikler

  • 📋 e-Faturaları listele ve ara
  • 🔍 Fatura detayları ve XML al
  • ✏️ Fatura oluştur ve iptal et
  • ✅ Vergi numarası doğrula (VKN/TCKN)
  • 🎭 Demo modu - Gerçek credentials olmadan test et
  • 🔒 Production hazır - Demo ve gerçek API arası otomatik geçiş

Hızlı Başlangıç

1. Kurulum

git clone https://github.com/reyhansunduk/efatura-mcp-server.git
cd efatura-mcp-server
pip install -e .

2. Demo Modu (Credential gerekmez)

Sunucu hemen mock data ile çalışır:

python -m efatura_mcp.server

Test için: ⚠️ DEMO MODE: Using mock data

3. Claude Desktop ile Kullan

Config dosyası oluştur:

  • Windows: %APPDATA%\Claude\claude_desktop_config.json
  • macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "efatura": {
      "command": "python",
      "args": ["-m", "efatura_mcp.server"],
      "cwd": "C:\\Users\\..\\efatura-mcp-server"
    }
  }
}

4. Claude Desktop'ta Test Et

Claude'a sor:

Faturaları listele

Faturalar listelenecektir.

Gerçek GİB API'ye Geç

Gerçek veri kullanmaya hazır olduğunda:

  1. .env dosyasını düzenle:
GIB_USERNAME=vkn_buraya
GIB_PASSWORD=sifre_buraya
GIB_ENVIRONMENT=test
  1. Sunucuyu yeniden başlat

Sunucu credentials verildiğinde otomatik olarak gerçek API'ye geçer.

Mevcut MCP Araçları

Sunucu Claude'un kullanabileceği 7 MCP aracı sağlar:

1. list_invoices

GİB sisteminden e-Faturaları listeler.

Parametreler:

  • start_date (opsiyonel): Başlangıç tarihi (YYYY-MM-DD)
  • end_date (opsiyonel): Bitiş tarihi (YYYY-MM-DD)
  • limit (opsiyonel): Max fatura sayısı (varsayılan: 10)

Örnek: "Geçen ayki faturaları göster"

2. get_invoice_detail

Belirli bir faturanın detaylı bilgilerini getirir.

Parametreler:

  • invoice_id (zorunlu): Fatura ID/UUID

Örnek: "ABC2024000001 faturasının detaylarını göster"

3. get_invoice_xml

Fatura HTML/XML içeriğini UBL-TR formatında getirir.

Parametreler:

  • invoice_id (zorunlu): Fatura ID/UUID

Örnek: "ABC2024000001 faturasının XML'ini getir"

4. create_invoice

GİB sisteminde yeni e-Fatura oluşturur.

Parametreler:

  • invoice_number, issue_date, supplier_vkn, supplier_name
  • customer_vkn, customer_name, items[], total_amount
  • currency (opsiyonel, varsayılan: TRY)

Örnek: "XYZ müşterisine 1000 TRY fatura oluştur"

5. cancel_invoice

Mevcut faturayı iptal eder.

Parametreler:

  • invoice_id (zorunlu): İptal edilecek fatura ID
  • reason (zorunlu): İptal sebebi

Örnek: "ABC2024000001 faturasını hata nedeniyle iptal et"

6. search_invoices

Filtrelerle fatura ara.

Parametreler:

  • customer_name, supplier_name (opsiyonel)
  • min_amount, max_amount (opsiyonel)
  • status (opsiyonel): approved, pending, cancelled

Örnek: "10000 TL üzeri faturaları bul", "Beklemedeki faturaları göster"

7. validate_tax_number

Türk vergi numarasını doğrula (VKN/TCKN).

Parametreler:

  • tax_number (zorunlu): 10 veya 11 haneli vergi numarası

Örnek: "1234567890 vergi numarasını doğrula"

GİB Credentials Nasıl Alınır

Nasıl Yapılır: Şirketinin mevcut e-Fatura credentials'ını kullan

  • Portal: https://earsivportal.efatura.gov.tr (canlı)
  • Test Portal: https://earsivportaltest.efatura.gov.tr (test)

Proje Yapısı

efatura-mcp-server/
├── src/
│   └── efatura_mcp/
│       ├── server.py           # Ana MCP sunucu
│       ├── gib_earsiv_client.py # Gerçek GİB API client
│       └── mock_data.py        # Demo verisi
├── .env                        #  credentials'ın (gitignored)
├── .env.example               # Şablon
└── README.md

Tam rehber için SECURITY.md'ye bak.

Gereksinimler

  • Python 3.10+
  • Claude Desktop (veya herhangi bir MCP client)

Bağımlılıklar pip install -e . ile otomatik kurulur.

Lisans

MIT


Support / Destek

For issues and questions, please open an issue on GitHub.

Sorunlar ve sorular için lütfen GitHub'da bir issue açın.

Recommended Servers

playwright-mcp

playwright-mcp

A Model Context Protocol server that enables LLMs to interact with web pages through structured accessibility snapshots without requiring vision models or screenshots.

Official
Featured
TypeScript
Magic Component Platform (MCP)

Magic Component Platform (MCP)

An AI-powered tool that generates modern UI components from natural language descriptions, integrating with popular IDEs to streamline UI development workflow.

Official
Featured
Local
TypeScript
Audiense Insights MCP Server

Audiense Insights MCP Server

Enables interaction with Audiense Insights accounts via the Model Context Protocol, facilitating the extraction and analysis of marketing insights and audience data including demographics, behavior, and influencer engagement.

Official
Featured
Local
TypeScript
VeyraX MCP

VeyraX MCP

Single MCP tool to connect all your favorite tools: Gmail, Calendar and 40 more.

Official
Featured
Local
graphlit-mcp-server

graphlit-mcp-server

The Model Context Protocol (MCP) Server enables integration between MCP clients and the Graphlit service. Ingest anything from Slack to Gmail to podcast feeds, in addition to web crawling, into a Graphlit project - and then retrieve relevant contents from the MCP client.

Official
Featured
TypeScript
Kagi MCP Server

Kagi MCP Server

An MCP server that integrates Kagi search capabilities with Claude AI, enabling Claude to perform real-time web searches when answering questions that require up-to-date information.

Official
Featured
Python
E2B

E2B

Using MCP to run code via e2b.

Official
Featured
Neon Database

Neon Database

MCP server for interacting with Neon Management API and databases

Official
Featured
Exa Search

Exa Search

A Model Context Protocol (MCP) server lets AI assistants like Claude use the Exa AI Search API for web searches. This setup allows AI models to get real-time web information in a safe and controlled way.

Official
Featured
Qdrant Server

Qdrant Server

This repository is an example of how to create a MCP server for Qdrant, a vector search engine.

Official
Featured