Connect Caititu to ChatGPT
On chatgpt.com, in a computer's The program you use to open websites: Chrome, Edge, Safari or Firefox.browser, on the Plus and Pro plans. In ChatGPT, An outside service the chat can consult. Caititu is one of them.connectors are called plugins.
Caititu's address
https://mcp.caititu.org/mcp
Add Caititu once
ChatGPT shows the names of its buttons in the language you use it in. Here they are in English.
- 1Open chatgpt.com and log in.
- 2In the left column, click Plugins.
- 3At the top right, click Add and choose Add custom MCP server.
- 4Under Name, type Caititu. Under Connection, with Server URL selected, paste the address.
- 5Under Authentication, which comes set to OAuth, choose No authentication.
- 6Tick I understand and want to continue and click Create as a plugin.
The warning in step 6 is the same for any outside service: Caititu consults a public database of decisions of the Inter-American Court of Human Rights (IACtHR) and only sends something (a problem report to the team) if you allow it.
Use it in a conversation
- 7Open a new conversation.
- 8Type @, choose Caititu in the list and, in the same message, ask the test question:
Use Caititu: show the full text of paragraph 193 of Caso Gelman Vs. Uruguay, with its footnotes.
- 9If ChatGPT asks permission to use Caititu, click Allow.
It worked if the answer includes the paragraph's text in Spanish and footnote 228, which cites Almonacid Arellano, párr. 124, Gomes Lund, párr. 176, and Cabrera García y Montiel Flores, párr. 225.
@Caititu counts for one message: repeat it in every question that needs a new search.
If it doesn't work
- Add custom MCP server is missing
- Switch on Developer mode at chatgpt.com/settings/security and go back to step 3; in a company account, use your personal In ChatGPT, a person can have a personal space and a company's, each with its own settings.workspace.
- Caititu does not appear after @
- Open a new conversation and type @ again.
- The answer doesn't use Caititu
- Type @ and choose Caititu at the start of the message, and ask: “Use only Caititu”.