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Head to head

Validator AI vs Outlook Assistant

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

Validator AIio.github.CSOAI-ORG/validator-ai-mcp
C
No reviews yet

AI-powered validator ai MCP server for agents. Supports validate json, validate email, validate

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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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The short version

Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. The safety scan favours Outlook Assistant (85/100 against 65). Outlook Assistant has noticeably more public adoption.

 Validator AIOutlook Assistant
User ratingNo reviews yetNo reviews yet
Safety gradeC65/100A85/100
Adoption—Growing
GitHub stars–37
Downloads / week–328
Runs whereYour machine (local)Your machine (local)
Gateway-readyNoNo
Tools522
Write actions14
Price per callFreeFree
Licence—MIT
Last release—2026-09-09
CategoryEmailEmail

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