io.usefulapi/quaderno

up checked 2026-11-11T06:39:58.502Z

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Publisher-provided title

Quaderno MCP by usefulapi

Publisher-provided description

MCP server for Quaderno — tax-rate calculation, invoices, contacts, products, receipts & expenses.

Summary by lookupd

Calculates sales tax, manages contacts, products, invoices and transactions, and reads receipts and expenses in Quaderno accounts.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http quaderno https://quaderno.usefulapi.io/mcp

Codex, remote (streamable-http)

codex mcp add quaderno --url https://quaderno.usefulapi.io/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "quaderno": {
      "url": "https://quaderno.usefulapi.io/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (23 tools)

Publisher-provided text

• quaderno_ping Verify the API key and connection by pinging Quaderno. Returns account/authentication status. Quaderno API: GET /ping.
• quaderno_calculate_tax Calculate the correct tax rate/amount for a sale given the customer's location and product. This is Quaderno's flagship endpoint — it applies the right VAT / GS
• quaderno_list_invoices List invoices, newest first, with optional filters. Quaderno API: GET /invoices. Returns invoice objects (id, number, issue_date, due_date, currency, contact, i
• quaderno_get_invoice Fetch a single invoice by id (full object incl. items, taxes, payments, permalink, pdf). Quaderno API: GET /invoices/{id}.
• quaderno_list_contacts List contacts (customers/vendors), newest first. Quaderno API: GET /contacts. Returns contact objects (id, kind, first_name, last_name, contact_name, email, cou
• quaderno_get_contact Fetch a single contact by id. Quaderno API: GET /contacts/{id}.
• quaderno_list_items List products/items in the catalog, newest first. Quaderno API: GET /items. Returns item objects (id, code, name, kind, product_type, unit_cost, tax_class, tax_
• quaderno_get_item Fetch a single product/item by id. Quaderno API: GET /items/{id}.
• quaderno_list_credit_notes List credit notes (refund documents), newest first. Quaderno API: GET /credit_notes. Wrapped as { data, pagination } when more pages exist.
• quaderno_get_credit_note Fetch a single credit note by id. Quaderno API: GET /credit_notes/{id}.
• quaderno_list_receipts List receipts, newest first. Quaderno API: GET /receipts. Wrapped as { data, pagination } when more pages exist.
• quaderno_get_receipt Fetch a single receipt by id. Quaderno API: GET /receipts/{id}.
• quaderno_list_expenses List expenses (bills you received), newest first. Quaderno API: GET /expenses. Wrapped as { data, pagination } when more pages exist.
• quaderno_get_expense Fetch a single expense by id. Quaderno API: GET /expenses/{id}.
• quaderno_list_tax_codes List the product tax codes Quaderno supports (id, name, description) — used as the tax_code on products / tax calculations. Quaderno API: GET /tax_codes.
• quaderno_list_jurisdictions List the tax jurisdictions (id, name, country, region) where the account is registered to collect tax. Quaderno API: GET /jurisdictions.
• quaderno_list_webhooks List the account's configured webhooks (id, url, events). Quaderno API: GET /webhooks.
• quaderno_request Power-user escape hatch: GET any Quaderno API path not wrapped by a dedicated tool. READ-ONLY — only GET is allowed. Path is taken after /api (e.g. "/tax_ids",
• quaderno_create_contact MUTATES Quaderno data — create a contact (customer or vendor). Provide kind plus a name; use `fields` for any other Quaderno contact attribute (phone_1, region,
• quaderno_update_contact MUTATES Quaderno data — update an existing contact. Only the fields you pass are changed; use `fields` for any attribute not typed here. Quaderno API: PUT /cont
• quaderno_create_item MUTATES Quaderno data — create a product/item in the catalog. Provide name + unit_cost; use `fields` for any other attribute (code, description, tax_class, tax_
• quaderno_create_invoice MUTATES Quaderno data — create an invoice for a contact. Provide contact_id (or a contact via `fields`) and items; use `fields` for any other attribute (currenc
• quaderno_create_transaction MUTATES Quaderno data — record a sale or refund transaction (Quaderno computes tax and produces the compliant document). Provide the customer, items, and paymen

Details

• Version: 1.38.3
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 482 ms
• First indexed: 2026-11-01T10:05:50.972Z
• Last seen in registry: 2026-11-11T00:17:31.877Z
• Repository: https://github.com/m190/usefulapi-mcp
• Website: https://usefulapi.io/quaderno/

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