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 CrewAI?
When paired with CrewAI, Invoicing Plus becomes a first-class tool in your multi-agent workflows. Each agent in the crew can call Invoicing Plus tools autonomously, one agent queries data, another analyzes results, a third compiles reports, all orchestrated through Vinkius with zero configuration overhead.
- —
Multi-agent collaboration lets you decompose complex workflows into specialized roles, one agent researches, another analyzes, a third generates reports, each with access to MCP tools
- —
CrewAI's native MCP integration requires zero adapter code: pass Vinkius Edge URL directly in the
mcpsparameter and agents auto-discover every available tool at runtime - —
Built-in task delegation and shared memory mean agents can pass context between steps without manual state management, enabling multi-hop reasoning across tool calls
- —
Sequential and hierarchical crew patterns map naturally to real-world workflows: enumerate subdomains → analyze DNS history → check WHOIS records → compile findings into actionable reports
Invoicing Plus in CrewAI
Invoicing Plus and 4,000+ other MCP servers. One platform. One governance layer.
Teams that connect Invoicing Plus to CrewAI 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 CrewAI
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 CrewAI 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 CrewAI
Every tool call from CrewAI 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 CrewAI discover and connect to MCP tools?
CrewAI connects to MCP servers lazily. when the crew starts, each agent resolves its MCP URLs and fetches the tool catalog via the standard tools/list method. This means tools are always fresh and reflect the server's current capabilities. No tool schemas need to be hardcoded.
Can different agents in the same crew use different MCP servers?
Yes. Each agent has its own mcps list, so you can assign specific servers to specific roles. For example, a reconnaissance agent might use a domain intelligence server while an analysis agent uses a vulnerability database server.
What happens when an MCP tool call fails during a crew run?
CrewAI wraps tool failures as context for the agent. The LLM receives the error message and can decide to retry with different parameters, fall back to a different tool, or mark the task as partially complete. This resilience is critical for production workflows.
Can CrewAI agents call multiple MCP tools in parallel?
CrewAI agents execute tool calls sequentially within a single reasoning step. However, you can run multiple agents in parallel using process=Process.parallel, each calling different MCP tools concurrently. This is ideal for workflows where separate data sources need to be queried simultaneously.
Can I run CrewAI crews on a schedule (cron)?
Yes. CrewAI crews are standard Python scripts, so you can invoke them via cron, Airflow, Celery, or any task scheduler. The crew.kickoff() method runs synchronously by default, making it straightforward to integrate into existing pipelines.
MCP tools not discovered
Ensure the Edge URL is correct. CrewAI connects lazily when the crew starts. check console output.
Agent not using tools
Make the task description specific. Instead of "do something", say "Use the available tools to list contacts".
Timeout errors
CrewAI has a 10s connection timeout by default. Ensure your network can reach the Edge URL.
Rate limiting or 429 errors
Vinkius enforces per-token rate limits. Check your subscription tier and request quota in the dashboard. Upgrade if you need higher throughput.
Explore More MCP Servers
View all →
Autobound
12 toolsWrite hyper-personalized sales emails in seconds using AI that researches prospects and crafts messages that get replies.

Orb
10 toolsAutomate usage-based billing via Orb — ingest events, manage subscriptions, and track invoices directly from any AI agent.

IPQualityScore (IPQS)
10 toolsDetect fraud, proxies, and malicious activity via IPQS API.

BILL Spend & Expense
5 toolsManage corporate spend via BILL — list budgets, cards, and transactions directly from any AI agent.
