Invoice Ninja (Invoicing & Billing) MCP Server
Manage invoicing via Invoice Ninja — create clients, track payments, and manage invoices and balances.
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What is the Invoice Ninja MCP Server?
The Invoice Ninja MCP Server gives AI agents like Claude, ChatGPT, and Cursor direct access to Invoice Ninja via 10 tools. Manage invoicing via Invoice Ninja — create clients, track payments, and manage invoices and balances. Powered by the Vinkius - no API keys, no infrastructure, connect in under 2 minutes.
Built-in capabilities (10)
Tools for your AI Agents to operate Invoice Ninja
Ask your AI agent "List the last 5 invoices generated this month" and get the answer without opening a single dashboard. With 10 tools connected to real Invoice Ninja data, your agents reason over live information, cross-reference it with other MCP servers, and deliver insights you would spend hours assembling manually.
Works with Claude, ChatGPT, Cursor, and any MCP-compatible client. Powered by the Vinkius - your credentials never touch the AI model, every request is auditable. Connect in under two minutes.
Why teams choose Vinkius
One subscription gives you access to thousands of MCP servers - and you can deploy your own to the Vinkius Edge. Your AI agents only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure and security, zero maintenance.
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Invoice Ninja (Invoicing & Billing) MCP Server capabilities
10 toolsCreate a new client in InvoiceNinja
Create a new invoice for a client
Delete a client from InvoiceNinja
Delete an invoice from InvoiceNinja
Get complete details of a specific InvoiceNinja client
Get details of a specific invoice
List all clients registered in InvoiceNinja
List invoices in InvoiceNinja
You must provide the fields to update encoded as a JSON string. Update an existing client in InvoiceNinja
g., from draft to sent). Provide modifications as a JSON string. Update an existing invoice
What the Invoice Ninja (Invoicing & Billing) MCP Server unlocks
Connect your Invoice Ninja account to any AI agent and take full control of your small business billing and client management through natural conversation.
What you can do
- Client Management — List all registered clients and retrieve detailed CRM data including balances, VAT identifiers, and contact histories directly from your agent
- Invoice Lifecycle — Create new invoice drafts, update line items, and manage the transition from 'Draft' to 'Sent' and 'Paid' stages securely
- Balance Audit — Fetch full tax math and raw total calculations for specific invoices to verify billing accuracy and financial reporting
- CRM Operations — Programmatically create and update client profiles with custom JSON payloads to maintain an accurate business registry
- Document Cleanup — Irreversibly delete or archive invoices and client records to maintain clean accounting totals and optimized workspace data
- Billing Workflow — Browse through your entire billing system to monitor revenue streams and track outstanding payments in real-time
How it works
1. Subscribe to this server
2. Enter your Invoice Ninja Domain and API Token
3. Start managing your business billing from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Small Business Owners — monitor outstanding invoices and manage client balances through natural conversation during busy workdays
- Freelancers — create and update invoice drafts for clients without leaving your development or design environment
- Accountants & Ops — audit invoice line items and tax calculations to ensure financial integrity across the entire billing system
Frequently asked questions about the Invoice Ninja (Invoicing & Billing) MCP Server
Can I create a new invoice draft through my agent?
Yes. Use the create_invoice tool by providing an existing Client ID and a JSON array of line items. Your agent will generate the draft in Invoice Ninja, ready for your final review and sending.
How do I check a client's outstanding balance?
The get_client tool allows your agent to retrieve complete details for a specific client, including their current balance and payment history. This helps you quickly identify which clients need follow-up on outstanding payments.
Can my agent list all unpaid invoices?
Absolutely. Use the list_invoices tool to browse your billing system. Your agent can filter through the results to show you which invoices are still in 'Sent' or 'Overdue' status directly through natural conversation.
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Give your AI agents the power of Invoice Ninja MCP Server
Production-grade Invoice Ninja (Invoicing & Billing) MCP Server. Verified, monitored, and maintained by Vinkius. Ready for your AI agents — connect and start using immediately.






