0n3
MCP servers · Microsoft 365 · custom connector

Connect Grok Bot (xAI) to Microsoft 365

One line gives Grok Bot (xAI) your Microsoft 365 account as tools: 26 endpoints, mail, events, teams, called with your own connection. No key in the prompt, a receipt for every call, revoke Grok Bot (xAI)'s access alone any time.

Get the line for Grok Bot (xAI)Connect Microsoft 365 first

Three steps

  1. Create a free 0n3 account and connect Microsoft 365. Paste a key or sign in; it lands in your vault, encrypted.
  2. Install 0n3 into Grok Bot (xAI). xAI's always-on Grok Bot. Add 0n3 as a custom connector once, and your Bot can use every app you added, around the clock.
  3. Ask Grok Bot (xAI): whoami. Then: "Send a mail in Microsoft 365".
Add 0n3 to Grok Bot (desktop app)
  1. Open Grok Bot on your computer. In the sidebar, click Connect apps.
  2. At the bottom, click Add a custom connector.
  3. For Name, type 0n3. For Type, pick Remote HTTPS. For Server URL, type https://0n3.app/mcp.
  4. Under HTTP headers, add Authorization with the value Bearer <your 0n token>
  5. Click Add plugin.
Then try it: send your Bot this
  1. "Use 0n3: who am I, and which apps can you reach?"
  2. "Every weekday at 8, use 0n3 to list today's CRM appointments and new Stripe payments, and post a summary to me."

The line above carries a placeholder; 0n3.app/install mints a real key named for Grok Bot (xAI) and fills it in.

What Grok Bot (xAI) can then do in Microsoft 365

Mail · Send and manage Outlook email1
Send a mailPOST /me/sendMail
Events · Manage Outlook calendar events4
List eventsGET /me/events
Create an eventPOST /me/events
Update an eventPATCH /me/events/{eventId}
Delete an eventDELETE /me/events/{eventId}
Teams · Send Teams messages and list channels3
List teamsGET /me/joinedTeams
List channelsGET /teams/{teamId}/channels
Send a channel messagePOST /teams/{teamId}/channels/{channelId}/messages
Users · View organization users3
List mailbox messagesGET /users/{mailbox}/messages
List message attachmentsGET /users/{mailbox}/messages/{messageId}/attachments
Get an userGET /me
Files · OneDrive and SharePoint files, including items shared by link from another user's drive0
OneDrive and SharePoint files, including items shared by link from another user's drive
More · Everything else this app exposes.15
List messagesGET /me/messages
Get a messageGET /me/messages/{messageId}
List worksheetsGET /drives/{driveId}/items/{itemId}/workbook/worksheets
Get an used rangeGET /drives/{driveId}/items/{itemId}/workbook/worksheets('{sheet}')/usedRange
Get a rangeGET /drives/{driveId}/items/{itemId}/workbook/worksheets('{sheet}')/range(address='{address}')
Update a rangePATCH /drives/{driveId}/items/{itemId}/workbook/worksheets('{sheet}')/range(address='{address}')
Delete a messageDELETE /me/messages/{messageId}
List drive itemsGET /me/drive/root/children
Get a drive itemGET /me/drive/items/{itemId}
Search driveGET /me/drive/root/search(q='{query}')
Resolve shareGET /shares/{encodedUrl}/driveItem
List shared with meGET /me/drive/sharedWithMe

Microsoft 365 in other AI clients

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Grok Bot (xAI) with other apps

Hostinger363 endpointsPipedrive310 endpointsTelegram132 endpointsResend67 endpointsSquare57 endpointsLinkedIn50 endpointsSlack45 endpointseBay42 endpointsCRM35 endpointsFigma32 endpointsCloudConvert32 endpointsQuickBooks21 endpoints