Every action below is available as an MCP tool and a verb in Cerebral OS — callable from any AI agent, Claude, Cursor, Windsurf, or your own runtime via the BYOA API. All executions are governed, audited, and dry-run safe.
Get Contact
quaderno:get_contact
Fetch a single contact by ID with all details including tax information.
Read
Low risk
Get Expense
quaderno:get_expense
Fetch a single expense by ID with all line items and tax details.
Read
Low risk
Get Invoice
quaderno:get_invoice
Fetch a single invoice by ID with all line items and tax details.
Read
Low risk
Get Receipt
quaderno:get_receipt
Fetch a single receipt by ID with all line items and tax details.
Read
Low risk
List Contacts
quaderno:list_contacts
List contacts with optional filtering and pagination.
Read
Low risk
List Expenses
quaderno:list_expenses
List expenses with optional filtering and pagination.
Read
Low risk
List Invoices
quaderno:list_invoices
List invoices with optional filtering and pagination.
Read
Low risk
List Receipts
quaderno:list_receipts
List receipts with optional filtering and pagination.
Read
Low risk
Calculate Tax
quaderno:calculate_tax
Calculate tax rates and amounts for a transaction using Quaderno's tax engine.
Write
Medium risk
Create Contact
quaderno:create_contact
Create a new contact (person or company) in Quaderno.
Write
Medium risk
Create Expense
quaderno:create_expense
Create a new expense in Quaderno with line items.
Write
Medium risk
Create Invoice
quaderno:create_invoice
Create a new invoice in Quaderno with line items.
Write
Medium risk
Create Receipt
quaderno:create_receipt
Create a new receipt in Quaderno with line items and payment information.
Write
Medium risk
Delete Contact
quaderno:delete_contact
Delete a contact from Quaderno. This action cannot be undone.
Write
High risk
Delete Invoice
quaderno:delete_invoice
Delete a draft invoice from Quaderno. This action cannot be undone.
Write
High risk
Deliver Invoice
quaderno:deliver_invoice
Deliver an invoice via email to the contact. The invoice will be sent to the contact's email address.
Write
Medium risk
Update Contact
quaderno:update_contact
Update an existing contact in Quaderno.
Write
Medium risk
Update Invoice
quaderno:update_invoice
Update an existing invoice in Quaderno. Can only update draft invoices.
Write
Medium risk
Validate Tax Id
quaderno:validate_tax_id
Validate a tax ID number using Quaderno's validation service.
Write
Low risk