Quaderno MCP by usefulapi for Claude.ai
io.usefulapi/quaderno
MCP server for Quaderno — tax-rate calculation, invoices, contacts, products, receipts & expenses.
client:Claude.ai
transport:streamable-http
tools:23
Install Quaderno MCP by usefulapi in Claude.ai
Settings → Connectors → Add custom connector
https://quaderno.usefulapi.io/mcp
Claude on the web takes a remote URL and completes OAuth in the browser. For a packaged server use Claude Desktop or Claude Code instead. Claude.ai docs
What Claude.ai can do once it is connected
- quaderno_ping
- quaderno_calculate_tax
- quaderno_list_invoices
- quaderno_get_invoice
- quaderno_list_contacts
- quaderno_get_contact
- quaderno_list_items
- quaderno_get_item
- quaderno_list_credit_notes
- quaderno_get_credit_note
- quaderno_list_receipts
- quaderno_get_receipt
- quaderno_list_expenses
- quaderno_get_expense
- quaderno_list_tax_codes
- quaderno_list_jurisdictions
- quaderno_list_webhooks
- quaderno_request
- quaderno_create_contact
- quaderno_update_contact
- quaderno_create_item
- quaderno_create_invoice
- quaderno_create_transaction