Add to your AI.
Free tax and accounting skills. Built from the law.
- 1Open Claude.ai Connectors (button above), or go to Settings → Customize → Connectors.
- 2Click + → Add custom connector. Name it OpenAccountants and paste the URL below.
- 3Click Add → Allow tools when prompted. Sign in with your free OpenAccountants account when prompted.
https://www.openaccountants.com/api/mcpBrowse and download skills without an account. The hosted AI connection allows limited guest use, then asks you to sign in with a free account. Some AI apps ask you to connect your account during setup. Create a free account or sign in.
Ask your first tax question.
Start your question with “Using OpenAccountants”. Try this:
Using OpenAccountants, my client lives in [country] and is starting a side business. What tax will they pay and when, with sources?
Make it automatic.
Save this line in your AI once, so it uses OpenAccountants for every tax question, not just the obvious ones.
For every tax, VAT, payroll or accounting question, use the OpenAccountants tools first and cite the skill they return.
- ChatGPT: Paste it in a chat and say “Remember this”, or add it under Settings → Personalization → Custom instructions.
- Claude: Add it under Settings → Profile → personal preferences, or to a Project’s instructions.
- Cursor: Add it under Settings → Rules.
Your AI provider may charge for its own service.