
ChatGPT
Adding an MCP server must be available in your account. Your plan and workspace rules may restrict it.
- 1
Open Plugins in ChatGPT, select +, then Add custom MCP server.
- 2
Enter the MCP address above, name it hice and choose OAuth authentication. Create and install the plugin.
- 3
Connect your hice account. In a new chat, type @ and select hice to use it.

Claude
In a company workspace the owner may need to add the connector before members can connect it.
- 1
Open Customize → Connectors in Claude, then + Add → Add custom connector.
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Name the connector hice, paste the MCP address above and continue with OAuth authentication. Select Connect and sign in to hice.
- 3
In the conversation, open + → Connectors and enable hice. A workspace owner may need to add the connector first for a company account.

Gemini
Google currently limits custom apps to adults in the United States with a personal account, English interface and Keep Activity enabled. If the option is missing, check these requirements in the official guide.
- 1
On the web open Settings → Connected Apps in Gemini. If needed, go through Personal Intelligence first.
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Under Custom apps choose Add a custom app, paste the MCP address above and select Next. Follow the connection flow and authorize your hice account.
- 3
In chat type @ and select hice to use the connection. Manage or remove the app in Connected Apps.

Grok
On Grok Business or Enterprise your admin must first make the connector available in the team console.
- 1
Open grok.com/connectors, click New Connector and choose Custom.
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Enter the MCP address above and complete the required authentication with your hice account.
- 3
Return to your conversation and ask to use hice: Grok makes the connector’s tools available. Return to Connectors to disconnect.

Mistral
Setup requires a Mistral admin; on personal plans the account owner is the admin. Current instructions use Vibe Work, on the same site as Le Chat.
- 1
Open Connectors in Mistral, click + Add Connector and choose Custom MCP Connector.
- 2
Use hice as the name, paste the MCP address above and click Connect. Mistral detects OAuth: complete sign-in and authorization in hice.
- 3
Enable the hice connector in a new conversation. Manage it from My Connectors; changes in hice retain their confirmation.
Connector availability depends on your assistant’s plan and settings. If the option is missing, check the official guide or ask your workspace administrator. To disconnect hice, remove the connector in your assistant.