Claude (claude.ai and Claude Desktop)

1. Open Customize → Connectors, choose + Add, then Add custom connector.
2. Enter a name and the server address, and choose No sign in under authentication.
3. Turn the connector on in a conversation.

Every plan can add custom connectors; the Free plan allows one. On Team and Enterprise, an owner adds the connector first in Organization settings → Connectors, and members then connect it.