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Head to head

Atomic Mail vs M365 Graph MCP

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

Atomic Mailio.github.Atomic-Mail/mcp
A
No reviews yet

Programmable email inbox for AI agents — JMAP, PoW auth, stdio MCP server.

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M365 Graph MCPwork.mcps/m365-graph
C
No reviews yet

Manage Microsoft 365 email, calendar, contacts and inbox rules via the Graph API with OAuth 2.0.

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The short version

Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours Atomic Mail (93/100 against 67). Atomic Mail has noticeably more public adoption.

 Atomic MailM365 Graph MCP
User ratingNo reviews yetNo reviews yet
Safety gradeA93/100C67/100
AdoptionEstablishedNew
GitHub stars261–
Downloads / week234–
Runs whereHosted (remote)Hosted (remote)
Gateway-readyYesYes
Tools——
Write actions——
Price per callFreeFree
LicenceMIT—
Last release2026-09-18—
CategoryEmailEmail

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