Best Invoicing AI Skills & MCP Servers
11 curated Invoicing skills and MCP servers — install any of them into Claude, Cursor, ChatGPT, n8n, or any AI stack with one command.
Gcc Intelligence
MCP server providing GCC regulatory intelligence, ZATCA e-invoicing, Arabic NLP, and compliance tools for AI agents
Holded
MCP server for Holded — invoicing, accounting, CRM, projects, and team
Futuresense
MCP server with 600+ AI-agent tools for invoicing, payroll, booking, accounting, CRM, payments, tax filing (incl. T2 corporate), churn off-ramps, and firm client management. Works with Claude, ChatGPT, Gemini, Cursor, and any MCP client.
Zenskar
Model Context Protocol (MCP) server for Zenskar API - customer management, invoicing, and billing operations
Mercury Invoicing
Mercury Banking MCP server with full Invoicing API support — accounts, transactions, recipients, customers, invoices (one-shot + recurring), webhooks.
E Arveldaja
MCP server for Estonian e-arveldaja (e-Financials) API
Plutio
Model Context Protocol server for Plutio — CRM, projects, invoices, proposals, forms, time tracking, scheduling, and more.
Client
MCP client configuration generator for Scell.io API - Electronic invoicing and signatures
Ourwork
MCP server for OurWork — manage jobs, invoices, quotes, and customers from Claude and other AI assistants
Server
Official MCP server for the dVersum business management platform
Lexware
MCP server for the Lexware Office API — manage invoices, contacts, articles, vouchers, and more
About Invoicing skills on iClaude
iClaude is the universal install layer for AI skills. Every Invoicing skill on this page can be installed into Claude Code, Claude Desktop, Cursor, ChatGPT, n8n, Codex, and more — using a single copy-paste command. No config drift, no per-stack adapters, no manual MCP wiring.