MCP-Microsoft-Office
MCP-Microsoft-Office is an MCP server. It needs MCP_BEARER_TOKEN to authenticate. Its repository has 55 GitHub stars; we last read it on 2026-10-22.
This software runs a local MCP server that connects to Microsoft Graph and the full M365 ecosystem.
Install
MCP servers are packaged differently from each other -- some run via npx, some as a Docker image, some as a plain script you clone and run. MCP-Microsoft-Office’s own README did not state one plainly enough for this page to quote it rather than guess, so it will not guess. The repository below states it.
What it reaches, and what it needs
Maintenance
an local MCP server you can run on your env, connecting you to Microsoft Graph, and the complete M365 eco system.
What MCP-Microsoft-Office can do
40 tools documented in its README. An AI client calls these by name.
readMail- Read inbox messages
sendMail- Send an email
replyToMail- Reply to an email
readMailDetails- Get full email content
markEmailRead- Mark email as read/unread
flagMail- Flag or unflag an email
getMailAttachments- List email attachments
addMailAttachment- Add attachment to email
removeMailAttachment- Remove attachment from email
getEvents- Get calendar events
createEvent- Create a meeting or event
updateEvent- Modify an existing event
cancelEvent- Cancel an event
acceptEvent- Accept a meeting invitation
tentativelyAcceptEvent- Tentatively accept
declineEvent- Decline a meeting invitation
getAvailability- Check free/busy times
findMeetingTimes- Find optimal meeting slots
getRooms- Find meeting rooms
getCalendars- List all calendars
addAttachment- Add attachment to event
removeAttachment- Remove event attachment
listFiles- List OneDrive files
uploadFile- Upload a file
downloadFile- Download a file
getFileMetadata- Get file info
getFileContent- Read file contents
setFileContent- Write file contents
updateFileContent- Update existing file
createSharingLink- Create a sharing link
getSharingLinks- List sharing links
removeSharingPermission- Remove sharing access
createWorkbookSession- Open a workbook session (persistent or temporary)
closeWorkbookSession- Close an active workbook session
listWorksheets- List all worksheets in a workbook
addWorksheet- Add a new worksheet
getWorksheet- Get a worksheet by name or ID
updateWorksheet- Rename, reposition, or hide a worksheet
deleteWorksheet- Delete a worksheet
getRange- Read cell values, formulas, and formatting
Read from the README; names are kept only if the README contains them.
Common questions about MCP-Microsoft-Office
- What does MCP-Microsoft-Office do?
- This software runs a local MCP server that connects to Microsoft Graph and the full M365 ecosystem.
- How do I install MCP-Microsoft-Office?
- Its README did not state an install command plainly enough for us to quote one, so we do not guess. The repository has the instructions: https://github.com/Aanerud/MCP-Microsoft-Office
- What does MCP-Microsoft-Office connect to, and what does it need?
- The credentials we found in its source are MCP_BEARER_TOKEN.
- Is MCP-Microsoft-Office official and is it maintained?
- We found nothing naming it as a vendor’s official server. Its repository has 55 GitHub stars and its state in our directory is listed. Its last commit we recorded was on 2026-04-02.
- What licence does MCP-Microsoft-Office use?
- The repository metadata we read does not state a licence, so check the repository before you rely on it.