Invapi MCP

Extract, create, convert & validate invoices (UBL, CII, XRechnung, ZUGFeRD, PDF, Excel)

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

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We haven't yet run this listing's install command through our automated sandbox check. This isn't a red flag — we're steadily working through the catalog.

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "invapi-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@invapi/mcp-server"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

@invapi/mcp-server

MCP server for the Invapi E-Invoicing API — convert, validate, and extract invoices in UBL, CII, ZUGFeRD, Excel, and more.

Quick Start

Terminal

npm install -g @invapi/mcp-server

Set your API key (get one at invapi.org):

server.ts

export INVAPI_API_KEY=your-api-key

Usage

Claude Desktop

Add to claude_desktop_config.json:

config.json

{
  "mcpServers": {
    "invapi": {
      "command": "npx",
      "args": ["-y", "@invapi/mcp-server"],
      "env": {
        "INVAPI_API_KEY": "your-api-key"
      }
    }
  }
}

Claude Code

Terminal

claude mcp add -e INVAPI_API_KEY=xxx invapi -- npx @invapi/mcp-server

Tools

Conversion

Tool	Description
`invapi_convert_json_to_ubl`	JSON Invoice → UBL XML
`invapi_convert_json_to_cii`	JSON Invoice → CII XML
`invapi_convert_ubl_to_json`	UBL XML → JSON Invoice
`invapi_convert_cii_to_json`	CII XML → JSON Invoice
`invapi_convert_json_to_xlsx`	JSON Invoices → Excel file
`invapi_create_zugferd_pdf`	PDF + JSON Invoice → ZUGFeRD PDF
`invapi_convert_zugferd_to_json`	ZUGFeRD PDF → JSON Invoice

Validation

Tool	Description
`invapi_validate_ubl`	Validate UBL XML against XRechnung 3.0.2 (EN 16931)
`invapi_validate_cii`	Validate CII XML against XRechnung 3.0.2 (EN 16931)
`invapi_validate_xml`	Validate XML with auto-detected format

Extraction

Tool	Description
`invapi_extract_invoice`	Extract structured invoice data from PDF or image
`invapi_extract_qr`	Extract QR code data from image

User

Tool	Description
`invapi_get_user`	Get account info and remaining API credits

Batch

Tool	Description
`invapi_batch_convert`	Run up to 100 conversion operations in a single request

Development

bash

git clone https://github.com/invapi/invapi-mcp.git
cd invapi-mcp
npm install
npm run dev

License

MIT

Read the full README →View source on GitHub →

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Frequently Asked Questions about Invapi MCP

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "invapi-mcp": { "command": "npx", "args": ["-y", "invapi-mcp"] } }

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Technical Specs & Signals

CategoryWorkplace & Productivity

36Quality signal: Fair · 36/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20

Documentation & tools16/30

Adoption & activity1/15

Community engagement0/10

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Documentation Overview

@invapi/mcp-server

MCP server for the Invapi E-Invoicing API — convert, validate, and extract invoices in UBL, CII, ZUGFeRD, Excel, and more.

Quick Start

Terminal

npm install -g @invapi/mcp-server

Set your API key (get one at invapi.org):

server.ts

export INVAPI_API_KEY=your-api-key

Usage

Claude Desktop

Add to claude_desktop_config.json:

config.json

{
  "mcpServers": {
    "invapi": {
      "command": "npx",
      "args": ["-y", "@invapi/mcp-server"],
      "env": {
        "INVAPI_API_KEY": "your-api-key"
      }
    }
  }
}

Claude Code

Terminal

claude mcp add -e INVAPI_API_KEY=xxx invapi -- npx @invapi/mcp-server

Tools

Conversion

Tool	Description
`invapi_convert_json_to_ubl`	JSON Invoice → UBL XML
`invapi_convert_json_to_cii`	JSON Invoice → CII XML
`invapi_convert_ubl_to_json`	UBL XML → JSON Invoice
`invapi_convert_cii_to_json`	CII XML → JSON Invoice
`invapi_convert_json_to_xlsx`	JSON Invoices → Excel file
`invapi_create_zugferd_pdf`	PDF + JSON Invoice → ZUGFeRD PDF
`invapi_convert_zugferd_to_json`	ZUGFeRD PDF → JSON Invoice

Validation

Tool	Description
`invapi_validate_ubl`	Validate UBL XML against XRechnung 3.0.2 (EN 16931)
`invapi_validate_cii`	Validate CII XML against XRechnung 3.0.2 (EN 16931)
`invapi_validate_xml`	Validate XML with auto-detected format

Extraction

Tool	Description
`invapi_extract_invoice`	Extract structured invoice data from PDF or image
`invapi_extract_qr`	Extract QR code data from image

User

Tool	Description
`invapi_get_user`	Get account info and remaining API credits

Batch

Tool	Description
`invapi_batch_convert`	Run up to 100 conversion operations in a single request

Development

bash

git clone https://github.com/invapi/invapi-mcp.git
cd invapi-mcp
npm install
npm run dev

License

MIT