Bring Invoicing
to Google ADK
Learn how to connect Invoice Ninja to Google ADK 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 Google ADK?
Google ADK natively supports Invoice Ninja as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 11 tools with Gemini's long-context reasoning for complex multi-tool workflows, with production-ready session management and evaluation built in.
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Google ADK natively supports MCP tool servers. declare a tool provider and the framework handles discovery, validation, and execution
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Built on Gemini models, ADK provides long-context reasoning ideal for complex multi-tool workflows with Invoice Ninja
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Production-ready features like session management, evaluation, and deployment come built-in. not bolted on
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Seamless integration with Google Cloud services means you can combine Invoice Ninja tools with BigQuery, Vertex AI, and Cloud Functions
Invoice Ninja in Google ADK
Invoice Ninja and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Invoice Ninja to Google ADK 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 Google ADK
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 Google ADK 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 Google ADK
Every tool call from Google ADK 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 does Google ADK connect to MCP servers?
Import the MCP toolset class and pass the server URL. ADK discovers and registers all tools automatically, making them available to your agent's tool-use loop.
Can ADK agents use multiple MCP servers?
Yes. Declare multiple MCP tool providers in your agent configuration. ADK merges all tool schemas and the agent can call tools from any server in a single turn.
Which Gemini models work best with MCP tools?
Gemini 2.0 Flash and Pro models both support function calling required for MCP tools. Flash is recommended for latency-sensitive use cases, Pro for complex reasoning.
McpToolset not found
Update: pip install --upgrade google-adk