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ClaudeChatGPTPerplexityGeminiMicrosoft CopilotRaycastMeta AIGrokZ.aiQwenKimi
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Use Quaderno with your AI.

Connect your account once and let the AI you already use work with it, without building another integration. Bring automated tax compliance and invoicing directly into your AI workflow. calculate global taxes, issue invoices, and manage CRM contacts in seconds.

Included with plan

Ask AI about this Connector

Developed, maintained, and hosted by Vinkius.

MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED

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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

Complete set · 10 capabilities

The complete Quaderno capability set.

These are the exact actions your AI can choose when you ask it to work with Quaderno.

Capability set01 / 03

01-04

4 capabilities in this set.

Part of 10 available through Quaderno.

  1. 01

    Create transaction

    Provide the contact ID and a JSON array of items. Records a new transaction and issues an invoice

  2. 02

    Delete contact

    This action is irreversible. Deletes a contact from Quaderno

  3. 03

    Get contact

    Retrieves details for a specific contact

  4. 04

    List contacts

    Lists all contacts (customers) in the Quaderno account

Capability set02 / 03

05-07

3 capabilities in this set.

Part of 10 available through Quaderno.

  1. 05

    List invoices

    Lists all issued invoices

  2. 06

    List transactions

    Lists all recorded transactions

  3. 07

    Update contact

    Provide a JSON payload with the changes. Updates an existing contact

Capability set03 / 03

08-10

3 capabilities in this set.

Part of 10 available through Quaderno.

  1. 08

    Calculate taxes

    Calculates applicable taxes for a potential sale

  2. 09

    Create contact

    Specify email, first name, and last name. Creates a new contact in Quaderno

  3. 10

    Get invoice

    Retrieves details for a specific invoice

Observed, not estimated

890ms average. Fast in production.

Quaderno is checked daily against the live service.

Daily averagePeak 1113ms
Aug 20Today
Fastest day
752ms
Slowest day
1113ms
14-day trend
Slowing+5%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 10 capabilities arrive ready to run.

Preview access · not provider authentication

The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Quaderno, so you can see the experience inside your AI.

It does not authenticate your account with Quaderno. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

Quaderno Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_umdssbzcYQjzKr8fYJQjDpa0z0BU19pItHSA2Nqi/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Quaderno capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "quaderno-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_umdssbzcYQjzKr8fYJQjDpa0z0BU19pItHSA2Nqi/mcp"
    }
  }
}
  • Claude
  • ChatGPT
  • Cursor
  • VS Code
  • Windsurf
  • Claude Code
  • JetBrains
  • Cline

Step-by-step instructions for each client are in the guide. How to connect

FAQ

Questions Quaderno owners ask.

  • 01

    Where do I find my Quaderno API Key and URL?

    Log in to your Quaderno account. Your API URL is simply your domain up top in the browser bar (e.g., https://mycompany.quadernoapp.com). To get the API Key, navigate to Settings > API Keys (or Developers), and copy your private key. Do not share this key as it carries full access. Paste both credentials below.

  • 02

    Can it calculate exact taxes dynamically before a sale?

    Yes! Use the calculate_taxes capability and just provide the AI with a country code, postal code, and base amount. Quaderno's world-class engine evaluates real-time location-based tax nuances (VAT, GST) and returns the exact fraction needed.

  • 03

    Can I draft custom test invoices natively in chat?

    Absolutely. You can use create_transaction. Instruct your agent to format a JSON array with products and amounts, linking to a specific contact_id. The server submits this array to Quaderno and records the fully realized transaction safely.

  • 04

    Will deleting a contact via the AI remove them permanently?

    Yes. The delete_contact operation relies heavily on standard destructive API instructions. Running this means the contact is gone entirely from the Quaderno dashboard. Always review deletion queries cautiously before approving execution.

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