Registry › Compare › NeMo Guardrails vs open-kritt

NeMo Guardrails vs open-kritt

NeMo Guardrails leads on trust: 71.9/100 (Grade B) against 57.7/100 (Grade C), a 14.2-point gap. NeMo Guardrails leads on adoption and supply-chain integrity, and rests on broader evidence; open-kritt leads on maintenance.

B NeMo Guardrails 71.9

NeMo Guardrails is an open-source toolkit for easily adding programmable guardrails to LLM-based conversational systems.

NVIDIA/NeMo-Guardrails · #290 overall · #5 Security & Guardrails · coverage A (4/5)

Choose NeMo Guardrails if adoption and supply-chain integrity matter most.

+7.9Adoption: 7.2k GitHub stars against 2.2k
+5.4Safety / Integrity: 100% of recent commits signed, against 51%
+1.9Transparency: OSSF Scorecard 7.1 against 4.8
A vs CEvidence coverage: 4 of 5 independent signal types, against 2

C open-kritt 57.7

Open-source, self-hosted AI vulnerability research tool that orchestrates agents to find and validate security issues in code.

Kritt-ai/open-kritt · #704 overall · #8 Security & Guardrails · coverage C (2/5)

Choose open-kritt if maintenance matters most.

+1.0Maintenance: last push today, against 2d ago

Where they differ

13.9

Safety / IntegrityNeMo Guardrails +5.4

8.5

14.5

TransparencyNeMo Guardrails +1.9

12.6

16.8

Maintenanceopen-kritt +1.0

17.8

15.9

AdoptionNeMo Guardrails +7.9

8.0

1 dimension identical: Identity 10.8 · Full evidence table

An independent, evidence-based trust comparison of NeMo Guardrails and open-kritt, two Security & Guardrails projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.

Full evidence

Signal	NeMo GuardrailsNVIDIA/NeMo-Guardrails	open-krittKritt-ai/open-kritt
HVTrust score	71.9	57.7
Evidence grade	B	C
Coverage grade	A	C
Overall rank	#290	#704
Rank in Security & Guardrails	#5	#8
GitHub stars	7.2k	2.2k
Last updated	2d ago	today
Build provenance	No	No
OSSF Scorecard	7.1 / 10	4.8 / 10
License	NOASSERTION	AGPL-3.0
Downloads	90k/wk	—
Trust dimensions (points earned)
Safety / integrity / 25	13.9	8.5
Identity & provenance / 18	10.8	10.8
Transparency / 17	14.5	12.6
Maintenance / 20	16.8	17.8
Adoption / 20	15.9	8.0
Runtime capability surface (full matrix)
MCP server	—	—
External providers	1 — OpenAI	—
Requires API keys	No	No
Plugin surface	—	—
Provenance drift	Unknown	—

Open in the live compare tool → NeMo Guardrails profile open-kritt profile More Security & Guardrails →

How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.3 →