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Head to head

Mockserver 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.

Mockservercom.mock-server/mockserver
A
No reviews yet

Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP.

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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. Both score close on the safety scan (93 and 89 out of 100). Mockserver has noticeably more public adoption.

 MockserverVizier Guard
User ratingNo reviews yetNo reviews yet
Safety gradeA93/100A89/100
AdoptionEstablishedNew
GitHub stars5.0k0
Downloads / week––
Runs whereYour machine (local)Your machine (local)
Gateway-readyNoNo
Tools——
Write actions——
Price per callFreeFree
LicenceApache-2.0MIT
Last release2026-09-192026-09-15
CategoryAI and agentsAI and agents

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