MCP server for BillingEngine to create and manage customers, draft invoices, e-invoices, and payments from Claude, Cursor, and other MCP clients.
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
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Manual Client & Custom JSON ConfigExpand JSON ▾
Client Config & Setup
Choose your client or environment
Target File:
💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.
Capabilities & Tool Schemas (10)
Inspect callable tools, capabilities, and parameters exposed to AI agents by Billingengine MCP.
find_customersSearches customers by company, name or email
create_customerCreates a customer
update_customerChanges a customer
create_invoiceCreates a **draft** invoice for a customer
update_invoiceChanges a draft invoice
list_invoicesLists invoices, filtered by status, customer, number or date
Documentation Overview
BillingEngine MCP server
Create customers and invoices, look up open invoices and record payments in BillingEngine by talking to Claude, Cursor or any other MCP client:
"Create an invoice for Acme Painting over 100 euros."
"Which invoices are overdue?"
"Acme paid invoice 2610030028, record the payment."
BillingEngine is invoicing software for freelancers and small businesses with e-invoicing (EN 16931, XRechnung, ZUGFeRD / Factur-X). The server is a thin layer over the BillingEngine API and runs on your computer.
Requirements
- Node.js 20 or newer
- A BillingEngine account on a paid plan. The API is not available in the Free plan.
- Your API key from Settings > API in BillingEngine
Setup
Claude Desktop
Add this to claude_desktop_config.json:
Claude Code
Cursor and other clients
Use the same command, args and env as above in the MCP settings of your client.
Tools
| Tool | What it does |
|---|---|
find_customers | Searches customers by company, name or email |
create_customer | Creates a customer |
update_customer | Changes a customer |
create_invoice | Creates a draft invoice for a customer |
update_invoice | Changes a draft invoice |
list_invoices | Lists invoices, filtered by status, customer, number or date |
get_invoice | Returns one invoice with items and payment status |
download_invoice | Saves the PDF or the XML e-invoice to your Downloads folder |
record_payment | Records a payment for sent invoices |
list_payments | Lists payments, optionally for one invoice |
What it does and does not do
- Invoices are created as drafts. Nothing is sent to your customers; you review and send the invoice in BillingEngine. Every result contains a link to open the draft.
- Prices are net. Number, language, texts, VAT treatment and payment terms come from your account settings, exactly as in the invoice form.
- Nothing can be deleted through this server.
- New invoices count towards the monthly invoice maximum of your plan.
- The API allows 60 requests per minute per key.
- Your key stays on your computer and is only sent to BillingEngine.
If a key is ever exposed, generate a new one under Settings > API. The old key stops working immediately. The settings also show when the key was last used.
Configuration
| Variable | Meaning |
|---|---|
BILLINGENGINE_API_KEY | Your API key (required) |
BILLINGENGINE_URL | Base URL, defaults to https://www.billingengine.com |
Development
License
MIT. BillingEngine itself is a commercial service; see billingengine.com.
Related MCP Servers
Adoption & maintenance
Factual signals from GitHub, npm, and our automated checks — not a rating.
npm downloads
377
Package downloads in the last 30 days.
Last commit
2d ago
Most recent push to the default branch.
Tools exposed
10
Callable tools this server registers over MCP.
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Frequently Asked Questions about Billingengine MCP
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CategoryFinance & Fintech
PricingPaid
57Quality signal: Good · 57/100How 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 & tools27/30
Adoption & activity6/15
Community engagement0/10
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