"LINE" matching MCP connectors:

Issue a credit memo against an invoice or standalone, with per-line tax and totals.

Freelancer invoice generator: line items, tax, totals, PDF - issued from a chat message.

Quotes and estimates: VAT line items, a validity date, an A4 PDF, accept makes an invoice.

Quotes and estimates: VAT line items, a validity date, an A4 PDF, accept makes an invoice.

Freelance quotes and estimates: VAT line items, validity date, A4 PDF, win rate.

Quotes and estimates: VAT line items, a validity date, an A4 PDF, accept makes an invoice.

Advanced Model Context Protocol (MCP) server for autonomous billing triage. Ingests unstructured invoice data and cross-checks line-item metrics to instantly flag unauthorized fees, quantity drifts, and unit price inflation.

Provides access to Avalara E-Invoicing and Live Reporting APIs for document statuses and compliance

Payments and pricing math sellers do weekly, computed deterministically over MCP: processor_fees breaks down payment costs with editable presets, charge_to_net answers what to charge to net a target amount, invoice_total validates and totals line items, with discount_stack, proration, and installment_plan in the premium tier.

OpenAI-compatible LLM gateway for Russia: 500+ models, ruble pricing, balance, chat.