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Head to head

Outlook Assistant vs Sendinel

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

Outlook Assistantio.github.littlebearapps/outlook-assistant
A
No reviews yet

Microsoft Outlook MCP server — 22 tools for email, calendar, contacts, and mailbox management.

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Sendinelai.sendinel/mcp-server
B
No reviews yet

AI-controlled email ops for campaigns, contacts, segments, analytics, and sending.

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The short version

Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. Both score close on the safety scan (85 and 79 out of 100). Sendinel is hosted and callable through the gateway; Outlook Assistant runs on your own machine. Outlook Assistant has noticeably more public adoption.

 Outlook AssistantSendinel
User ratingNo reviews yetNo reviews yet
Safety gradeA85/100B79/100
AdoptionGrowingNew
GitHub stars37
Downloads / week328348
Runs whereYour machine (local)Hosted (remote)
Gateway-readyNoYes
Tools22
Write actions4
Price per callFreeFree
LicenceMITUNLICENSED
Last release2026-09-09
CategoryEmailEmail

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