Grok MCP: Bring Your Own MCP Server to Grok
Grok takes custom MCP servers at grok.com/connectors. The setup, why a local server needs tunneling, and the admin step that blocks business accounts.
23 posts
Grok takes custom MCP servers at grok.com/connectors. The setup, why a local server needs tunneling, and the admin step that blocks business accounts.
Grok Bot has no Teams plugin, so it signs in through its browser. Every Bot on your account then shares that session. Why that is the real problem.
Grok Bot has no xAI calendar connector. It reaches Google Calendar via Cursor's plugin marketplace and Google's own MCP server. Nine verbs, one identity.
Grok Bot has no Google Drive connector of its own. It borrows Cursor's plugin, itself a wrapper on Google's MCP server. Three vendors, one shared browser.
Grok's Google Drive connector is free, self-serve, and documented for reads and writes. A second Google account is undocumented. Setup and the way round it.
Grok's Notion connector is free, native OAuth and self-serve. One connection covers one workspace, and that rule is written down by Notion, not by xAI.
Grok's OneDrive connector is Business and Enterprise only, admin-provisioned against one Azure AD tenant, and holds one identity. What works instead.
Carly holds every Outlook calendar you own and works across all of them. Grok Bot's new Outlook Calendar plugin signs in one Microsoft account.
Grok searches across SharePoint sites automatically, but the ceiling is what an admin indexed, not what you can open. Two tenants have nowhere to go.
Grok at grok.com has no Slack connector, built in or in the catalog. Custom MCP is the only route and Slack blocks it. What reaches Slack instead.
Grok's Teams connector is free and self-serve, and three of its permissions need an Entra admin. A second tenant is undocumented. What works instead.
xAI documents no way to add a second Google account to Grok, though the connector itself is free and self-serve. How to reach every calendar.
What you get from the xAI API in 2026: Grok 4.5 at 500k context, high limits before you spend a dollar, first-party X search, and one billing trap.
Grok can now run jobs on a schedule or when an email arrives. How Automations work, what the triggers can match on, what's free, and the one event it watches.
Every app Grok connects to: the seven built-in connectors, the OAuth catalog, and custom MCP, with the permissions each one asks for.
xAI shipped Grok for Excel on July 20, 2026 as a free Microsoft 365 add-in. What it does in a workbook, how it pulls from your connectors, and its limits.
Grok runs inside Excel, Word, PowerPoint and Outlook, plus connectors for Teams, SharePoint and OneDrive. What's free, what's paid, and how it beats Copilot.
xAI shipped Grok for Outlook on July 21, 2026. What the add-in does inside your inbox, how it differs from the Outlook connector, and what it costs.
Grok shipped free Word and PowerPoint add-ins in June 2026. What each one does, how they pull from your connectors, and where the assistance stops.
SpaceX and xAI merge to create the world's most valuable private company, OpenAI launches a standalone Codex desktop app, and a major international AI safety report warns that safeguards aren't keeping up.
OpenAI phases out GPT-5 and GPT-4o ahead of GPT-5.2 dominance, Microsoft retreats from aggressive Windows 11 AI integration, and a WashPo investigation reveals how Grok became a porn generator.
Anthropic nearly doubles its valuation to $350B in just three months, xAI closes a massive $20B round, Meta faces leadership turmoil as Yann LeCun breaks his silence on Llama 4, and CES 2026 continues with major announcements from Nvidia, AMD, and Samsung.
Elon Musk's xAI acquires third data center targeting 1 million GPUs, AI reshapes Wall Street productivity, and a look back at 2025's transformative year in artificial intelligence.