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Head to head

MCP vs Vizier Guard

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

MCPcom.decionis/mcp
A
No reviews yet

Authorize consequential AI agent actions before execution

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Vizier Guardio.github.vassiliylakhonin/vizier-guard
A
No reviews yet

Deterministic authorization and security guard for AI agent actions with signed receipts.

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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 MCP (99/100 against 89). MCP is hosted and callable through the gateway; Vizier Guard runs on your own machine. MCP has noticeably more public adoption.

 MCPVizier Guard
User ratingNo reviews yetNo reviews yet
Safety gradeA99/100A89/100
AdoptionEstablishedGrowing
GitHub stars5330
Downloads / week297220
Runs whereHosted (remote)Your machine (local)
Gateway-readyYesNo
Tools——
Write actions——
Price per callFreeFree
LicenceApache-2.0MIT
Last release2026-09-192026-09-15
CategoryAI and agentsAI and agents

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