Step one
Open Alpaca Law in Claude's directory.
Go to claude.ai/directory/alpaca-law and click Connect to Claude.
MCP connector
Connect your AI to our legal database.
Alpaca Law lets Claude, ChatGPT and Gemini search Portuguese, French and EU legislation and case law, and cite it with links to the official sources.
Step two
Sign in to Alpaca Law.
Claude opens the Alpaca Law sign-in page. Sign in with Google or your email. If you don't have an account, one is created for you.
Done.
You can now ask legal questions in Claude and the answers will come with direct links to the official sources. It works in claude.ai, the Claude app and Claude Cowork.
Step one
Open ChatGPT's plugins.
On a computer, go to chatgpt.com/plugins. In the top right, click Add, then Add custom MCP server.
Step two
Fill in the form.
Name
Alpaca Law
Connection
https://mcp.alpacalaw.com
Authentication
OAuth
Leave the other fields as they are. The risk warning appears for any server added this way. Tick I understand and want to continue and click Create as a plugin.
Step three
Sign in to Alpaca Law.
Click Continue, then Log In with Alpaca Law. ChatGPT opens the Alpaca Law sign-in page. Sign in with Google or your email. If you don't have an account, one is created for you.
Done.
You can now ask legal questions in ChatGPT and the answers will come with direct links to the official sources. To make sure ChatGPT searches Alpaca Law, type @ and pick Alpaca Law each time you ask a question. If Alpaca Law isn't listed, install it from Plugins → Personal.
Step one
Open Gemini's connectors.
On a computer, open Gemini in English: gemini.google.com/app?hl=en. The connector only exists in the English version. In the left sidebar, click Customise (if you don't see it, click More first). At the top, click Connectors, then + Custom.
Can't find + Custom? Google only offers it on a personal Google account (not a work or school one) with the Keep Activity setting on.
Step two
Enter Alpaca Law's address.
URL
https://mcp.alpacalaw.com
Then accept everything Gemini asks you to confirm.
Step three
Sign in to Alpaca Law.
Gemini opens the Alpaca Law sign-in page. Sign in with Google or your email. If you don't have an account, one is created for you.
Done.
You can now ask legal questions in Gemini and the answers will come with direct links to the official sources. To use it in a conversation, type @ and pick Alpaca Law. It also works in the Gemini mobile app.