Mmcp.market

Head to head

Calculator vs Microsoft 365 MCP Server

Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.

Calculatorio.github.slettmayer/calc-mcp-server
A
No reviews yet

Exact arithmetic: one calculator tool over an AST allowlist, with integers exact at any size.

Full listing
Microsoft 365 MCP Serverio.github.Softeria/ms-365-mcp-server
B
No reviews yet

Interact with Microsoft 365 and Office services through the Microsoft Graph API.

Full listing

The short version

Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours Calculator (92/100 against 75). Microsoft 365 MCP Server has noticeably more public adoption.

 CalculatorMicrosoft 365 MCP Server
User ratingNo reviews yetNo reviews yet
Safety gradeA92/100B75/100
AdoptionGrowingEstablished
GitHub stars0982
Downloads / week18342k
Runs whereYour machine (local)Your machine (local)
Gateway-readyNoNo
Tools13
Write actions—1
Price per callFreeFree
LicenceMITMIT
Last release2026-09-172026-09-18
CategoryEverything elseEverything else