"Invoice Ninja" matching MCP servers:

MCP server that encapsulates Apple Mail on macOS via AppleScript, enabling invoice PDF search, attachment saving, and message flagging through natural language.

Connects Claude to Microsoft 365 Outlook and Google Gmail APIs for email search, invoice detection, attachment handling, folder/label management, and draft creation. Uses Anthropic OAuth for secure authentication.

Enables an AI assistant to search Gmail for invoice and receipt attachments, list and download them, and bulk-save matching attachments directly into an accounting folder.

Enables an AI agent to analyze your own bank card invoices from Nubank CSV and Itaú PDF files, with optional read-only fetching from Gmail or Google Drive. It validates parsed totals against statement totals and provides tools for spending summaries, transaction searches, monthly comparisons, and recurring-charge detection.

Exposes named core, finance, supplier, intake, orders and reports tools over HTTP so Claude Code subagents can run a self-hosted finance back office: reading and coding supplier invoices, posting bills to the owner's QuickBooks, matching the bank, keeping the cashflow outlook, reconciling supplier statements and drafting reports and emails. Every write passes a posting gate and no payment, approval or customer invoice can be issued by an agent.