Compatible with every major AI agent and IDE
What is the Invoicing Plus MCP Server?
Connect your Invoicing Plus account to any AI agent and manage billing through natural conversation.
What you can do
- Invoice Management — List, create, inspect, and send invoices with line items and tax calculations
- Client Database — Browse clients, create new client records, and inspect profiles
- Payment Tracking — Monitor payment statuses and track overdue invoices
- Product Catalog — Browse products and services with pricing for quick invoice creation
- Revenue Monitoring — Track total revenue, outstanding amounts, and payment trends
How it works
- Subscribe to this server
- Enter your Invoicing Plus API Key
- Start managing invoices from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Freelancers — create and send invoices without opening the billing app
- Small Businesses — manage clients, track payments, and monitor cash flow
- Accountants — review invoices and payment statuses through AI
Built-in capabilities (12)
plus with the provided name and email. Create a new customer in Invoicing.plus
plus. Get a specific company from Invoicing.plus
plus API. Get a specific customer from Invoicing.plus
plus API. Get a specific estimate from Invoicing.plus
plus API. Get a specific invoice from Invoicing.plus
plus API. Get a specific item from Invoicing.plus
plus. List companies from Invoicing.plus
plus API. List customers from Invoicing.plus
plus API. List estimates from Invoicing.plus
plus API. List invoices from Invoicing.plus
plus API. List items/products from Invoicing.plus
plus API. List payments from Invoicing.plus
Why Google ADK?
Google ADK natively supports Invoicing Plus as an MCP tool provider. declare Vinkius Edge URL and the framework handles discovery, validation, and execution automatically. Combine 12 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 Invoicing Plus
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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 Invoicing Plus tools with BigQuery, Vertex AI, and Cloud Functions
Invoicing Plus in Google ADK
Invoicing Plus and 4,000+ other MCP servers. One platform. One governance layer.
Teams that connect Invoicing Plus 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 | 4,000+ 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 Invoicing Plus in Google ADK
The Invoicing Plus 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 12 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
Invoicing Plus for Google ADK
Every tool call from Google ADK to the Invoicing Plus MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
Can I create and send invoices through the AI agent?
Yes. Use the invoice creation tools with client ID, line items, and tax settings. Browse products for quick item selection and send invoices directly to clients.
Can I track overdue invoices and payment status?
Yes. List invoices with status filters to identify overdue, paid, and pending invoices. Track payment amounts and dates for cash flow monitoring.
Can I manage my product catalog?
Yes. Browse all products and services with pricing. Use products directly when creating invoices for quick line item selection.
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
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