Category · Finance
72 open-source MCP connectors for invoicing. Each connector exposes the underlying service to your AI agent through a clean tool interface.
Invoicing is where revenue gets recognised, yet the process is full of manual steps: creating invoices, sending them, tracking which are paid, chasing the overdue ones and reconciling payments back against what was issued. Cash flow suffers when follow-up slips. The invoicing integrations here connect your billing systems to WorkAist through MCP, so AI agents run the cycle. An agent can generate an invoice from a completed order or project, send it to the customer, track its status, and send a polite reminder when it passes due. It can match an incoming payment to the right invoice and flag a discrepancy. Connecting invoicing integrations to AI agents means money owed gets billed and chased consistently, with agents handling issuance, reminders and reconciliation so finance isn't manually tracking a spreadsheet of who has paid and who needs another nudge before the period closes.
SMB accounting (global, primary UK)
tax authority + e-invoice
#1 SMB accounting (Swisscom-owned)
SMB accounting standard
mandatory e-invoicing gateway
#1 SMB invoicing + e-invoicing
SMB accounting standard
SMB accounting
SMB ERP
SMB accounting by Lexware/Haufe
national e-invoice system
SMB accounting
mandatory e-books/e-invoicing
mandatory e-invoicing reporting
SMB online accounting + invoicing, RESTful API
SMB invoicing/accounting
#1 invoicing
SMB accounting standard
SMB accounting
e-invoicing via SDI
SMB invoicing
invoicing
invoicing + Peppol
SMB invoicing
SMB accounting
ESN/consulting PSA
freelance accounting
public-sector e-invoicing
SMB
freelancer accounting
SMB online accounting
SMB invoicing
SMB accounting
invoicing + e-invoicing (XRechnung, ZUGFeRD)
SMB invoicing
expense capture
FR/DE hybrid PDF e-invoice
invoicing
SMB invoicing
invoicing
invoicing
invoicing + DATEV export
invoicing
invoicing/accounting
SMB invoicing
invoicing
SMB accounting
cloud accounting
freelance accounting
invoicing
SMB accounting
invoicing
SMB accounting
agency time-tracking + invoicing
SMB accounting
SMB invoicing
invoicing/accounting
invoicing for SaaS
freelancer accounting (EÜR + UStVA)
SMB accounting
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