Onyx Platform vs Repello AI SkillCheck: side-by-side comparison (2026)
Onyx Platform is a commercial agentic AI security solution by Onyx Security. Repello AI SkillCheck is a free agentic AI security solution by Repello AI. Features, integrations, deployment and the company behind each one, side by side.
AI control plane for enterprise AI agent security, governance, and observability.
Scans and catalogs AI agent skills/plugins for security vulnerabilities.
Side-by-side comparison
Feature
Onyx Platform
Repello AI SkillCheck
Pricing model
Commercial
Free
Category
Agentic AI Security
Agentic AI Security
Deployment and fit
Deployment type
Hybrid
Cloud
Company size fit
Mid-Market, Enterprise
Startup, SMB, Mid-Market, Enterprise
Company
Company
Onyx Security
Repello AI
Use cases and capabilities
Agentic AI Security
Yes
No
AI Governance
Yes
No
AI Observability
Yes
No
AI SPM
Yes
No
LLM Guardrails
Yes
No
LLM Security
Yes
No
MCP Security
Yes
No
Prompt Injection
Yes
No
Shadow AI
Yes
No
GenAI Security
Yes
No
Security Scanning
No
Yes
Vulnerability
No
Yes
MLSecOps
No
Yes
Generative AI
No
Yes
Security Tools
No
Yes
Core features
10 features listed
4 features listed
Integrations
11 integrations listed
No integrations listed
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