Connect Grok
Add OpenPost as a custom Grok connector.
Grok can connect to OpenPost through a custom remote connector. Use a Grok account with access to custom connectors and an OpenPost account.
Add the connector
- Open Grok Connectors.
- Choose New Connector > Custom and name it
OpenPost. - Enter
https://app.openpo.st/mcpas the server URL. - Complete the supported sign-in flow. For OAuth, sign in to OpenPost and choose read-only or full access. If configuring a bearer header instead, use an OpenPost developer token with the matching MCP scope.
Check the connection
Enable OpenPost in your conversation and ask, "List my OpenPost workspaces." Name a workspace, then request a schedule review without making changes.
Grok Bot
Follow Create a Grok Bot for OpenPost for a copyable profile, API skill, and optional weekly review routine. Grok Bot uses its own app and each installer configures their own credentials.
Grok Build CLI
Grok Build is a separate client. Add its connection with:
grok mcp add --transport http openpost https://app.openpo.st/mcpComplete OAuth when prompted. A Grok web connector does not configure the CLI automatically.
If it does not connect
Grok's cloud connector needs public HTTPS. A self-hosted LAN address or localhost is not reachable from Grok web. Check access to custom connectors and reconnect if authorization expires.
See Grok connectors and Grok Build MCP.