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Global connectors are available on .
Global connectors are remote MCP server definitions maintained by Horizon and available to every organization. Each one supplies a known remote endpoint so you can create an external server without entering the endpoint yourself. You still choose how Horizon authenticates to the provider, and each user may need to authorize their own provider account. An organization connector serves the same purpose for an endpoint that is not in the global catalog. Organization Admins create and manage those connectors for their organization; Horizon maintains global connectors.

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Provider documentation

The provider documentation below explains each remote MCP server’s account, authorization, scope, and availability requirements. Provider requirements can change independently of Horizon.
Google’s Gmail, Google Drive, and Google Calendar remote MCP servers are in Developer Preview. Check the linked provider page for current access requirements before creating the external server.

External servers

Understand how Horizon governs and forwards traffic to remote MCP servers.

External authentication

Configure the OAuth or API-key credential Horizon sends to the provider.