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 LlamaIndex?
LlamaIndex agents combine Invoicing Plus tool responses with indexed documents for comprehensive, grounded answers. Connect 12 tools through Vinkius and query live data alongside vector stores and SQL databases in a single turn. ideal for hybrid search, data enrichment, and analytical workflows.
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Data-first architecture: LlamaIndex agents combine Invoicing Plus tool responses with indexed documents for comprehensive, grounded answers
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Query pipeline framework lets you chain Invoicing Plus tool calls with transformations, filters, and re-rankers in a typed pipeline
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Multi-source reasoning: agents can query Invoicing Plus, a vector store, and a SQL database in a single turn and synthesize results
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Observability integrations show exactly what Invoicing Plus tools were called, what data was returned, and how it influenced the final answer
Invoicing Plus in LlamaIndex
Invoicing Plus and 4,000+ other MCP servers. One platform. One governance layer.
Teams that connect Invoicing Plus to LlamaIndex 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 LlamaIndex
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 LlamaIndex 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 LlamaIndex
Every tool call from LlamaIndex 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 LlamaIndex connect to MCP servers?
Use the MCP client adapter to create a connection. LlamaIndex discovers all tools and wraps them as query engine tools compatible with any LlamaIndex agent.
Can I combine MCP tools with vector stores?
Yes. LlamaIndex agents can query Invoicing Plus tools and vector store indexes in the same turn, combining real-time and embedded data for grounded responses.
Does LlamaIndex support async MCP calls?
Yes. LlamaIndex's async agent framework supports concurrent MCP tool calls for high-throughput data processing pipelines.
BasicMCPClient not found
Install: pip install llama-index-tools-mcp
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