PostFiber for Grok Bot

Connect over MCP

MCP server address

1. Create an API key in PostFiber under API keys.
2. In a chat with your Bot, ask it to add an MCP server by URL: give it the server address and say that PostFiber takes the key in the Authorization header, as a Bearer token.
3. When the Bot asks for the key, enter it in the secure secret card and choose Save securely. The value is not written into the chat or shown to the Bot.
4. Ask the Bot to list your PostFiber channels to check the connection.

Grok Bot documents adding an MCP server that is not in its catalog by URL, and keeping API keys in a secure secret card. Never paste your key into the chat itself.

Try it

• List my connected channels.
• Draft a post about our launch for tomorrow at 9:00 and save it as a draft.
• Show me what is scheduled for this week.

Keep a person in the loop. An agent works with the permissions of the key, or of the person who connected it. Ask it to save drafts or schedule posts, look at the calendar before anything goes out, and give each key only the project and the permissions it needs. A key or a connected app you revoke stops working at once.