Duplicate Invoice Check MCP server

Review a supplied batch of supplier invoices for repeated invoice numbers, conservative formatting variations, or identical amounts and invoice dates. This local MCP server returns complete grouped evidence and the exact reason each record needs review. Distinct legitimate invoices can share an amount and date. Candidates are not confirmed duplicates, fraud scores, recoverable money or payment dec

Category: Invoicing and billing · Tools: 6 · Version: 0.22.8 · Licence: MIT

Install it

Hosted endpoint: not open for this server yet - use the .mcpb bundle or build from source below. The other 46 servers in the suite are already hosted.
Claude Desktop, one click: download the .mcpb bundle
From source: git clone https://github.com/theluckystrike/mcp-servers then build servers/duplicate-invoice-check.
npm: the package @theluckystrike/mcp-duplicate-invoice-check is staged and publishes shortly; the .mcpb bundle is the supported install until then.

Tools it exposes

Tool	What it does
`duplicate_invoice_check`	see tool reference
`report_list`	Report list
`report_get`	Report get
`report_page`	Report page
`report_delete`	Report delete
`report_export_csv`	Report export csv

Pricing

Free to run locally, forever. The Pro licence is $19, one time, lifetime — it changes only the hosted endpoint’s saved-report cap, never the tools. All 58 servers together are $39 as a bundle instead of $1102 bought one at a time.

Buy the Duplicate Invoice Check Pro licence — $19

Questions people actually ask

Is the Duplicate Invoice Check MCP server free?

Yes. Running Duplicate Invoice Check locally is free and unlimited, and the code is MIT licensed. This server is local-only today, so there is nothing to pay for. No subscription and no account are required.

Does Duplicate Invoice Check need an API key?

No. The server works offline against local files.

Where does the data go?

Local installs keep everything on your machine. The hosted endpoint stores records in an isolated per-tenant namespace, and only for servers you actually call.

Which clients can use it?

Any MCP client: Claude Desktop (via the .mcpb bundle), Claude Code, Cursor, Windsurf, VS Code with an MCP extension, or your own agent over the Streamable HTTP transport.

Invoice MCP server — Make real, sendable PDF invoices from a sentence. Clients, numbering that never repeats, VAT lines, discounts
Quotes MCP server — Send a client a real quote in seconds: line items with VAT, a validity date, a plain-text version to paste int
Recurring MCP server — Bill the same clients every month without remembering to. Define a recurring invoice once, then generate the r
Credit Note MCP server — Credit notes against an invoice or standalone: drafts, finalization, rendering, totals.

All 58 back-office MCP servers · how the collection is organised