Bring Invoicing
to Claude Code
Learn how to connect Invoice Ninja to Claude Code and start using 11 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the Invoice Ninja MCP Server?
What you can do
- List and retrieve clients: Instantly access client details, contacts, and custom fields.
- Create and manage invoices: Generate invoices, fetch specific invoice details, and streamline your billing process.
- Handle products and payments: Track your products, record payments, and manage financial operations seamlessly via AI.
How it works
1. Sign up for Invoice Ninja or use your self-hosted instance. 2. Generate an API Token in Settings > Advanced Settings > API Tokens. 3. Enter the token (and optional custom Base URL) in the agent setup, and start managing your billing operations.Who is it for?
Freelancers, small businesses, and agencies who need a powerful, automated way to handle invoicing and client management directly from their AI assistant.Built-in capabilities (11)
Create a new client
Create a new invoice
Create a new product
Get details for a specific client
Get an invoice by ID
Get a payment by ID
Get a product by ID
List clients in Invoice Ninja
List invoices
List payments
List products
Why Claude Code?
Claude Code registers Invoice Ninja as an MCP server in a single terminal command. Once connected, Claude Code discovers all 11 tools at runtime and can call them headlessly. ideal for CI/CD pipelines, cron jobs, and automated workflows where Invoice Ninja data drives decisions without human intervention.
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Single-command setup:
claude mcp addregisters the server instantly. no config files to edit or applications to restart - —
Terminal-native workflow means MCP tools integrate seamlessly into shell scripts, CI/CD pipelines, and automated DevOps tasks
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Claude Code runs headlessly, enabling unattended batch processing using Invoice Ninja tools in cron jobs or deployment scripts
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Built by the same team that created the MCP protocol, ensuring first-class compatibility and the fastest adoption of new protocol features
Invoice Ninja in Claude Code
Invoice Ninja and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Invoice Ninja to Claude Code through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 3,400+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for Invoice Ninja in Claude Code
The Invoice Ninja MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 11 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Claude Code 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, zero maintenance.
* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
How Vinkius secures
Invoice Ninja for Claude Code
Every tool call from Claude Code to the Invoice Ninja MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Can I use this with a self-hosted Invoice Ninja instance?
Yes! You can provide a custom Base URL in the authentication settings to connect to your own server.
Does the AI Agent handle recurring invoices?
Currently, the agent focuses on creating and fetching standard invoices, clients, products, and payments. You can use the Invoice Ninja dashboard for recurring settings.
Can I process credit card payments through this agent?
No, the agent can list and retrieve payment records, but it does not act as a payment gateway to process actual credit card transactions.
How do I add an MCP server to Claude Code?
Run claude mcp add --transport http "" in your terminal. Claude Code registers the server and discovers all tools immediately.
Can Claude Code run MCP tools in headless mode?
Yes. Claude Code supports non-interactive execution, making it ideal for scripts, cron jobs, and CI/CD pipelines that need MCP tool access.
How do I list all connected MCP servers?
Run claude mcp in your terminal to see all registered servers and their status, or type /mcp inside an active Claude Code session.
Command not found: claude
Ensure Claude Code is installed globally: npm install -g @anthropic-ai/claude-code
Connection timeout
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