Onyx Platform vs PromptArmor Claude Skills Risk Assessment: Side-by-Side Comparison (2026)

Onyx Platform: AI control plane for enterprise AI agent security, governance, and observability. built by Onyx Security..

PromptArmor Claude Skills Risk Assessment: Threat intel service assessing Claude AI skill definitions for security/privacy risk. built by PromptArmor..

Both serve the Agentic AI Security market but differ in approach, feature depth, and target audience.

Onyx Platform is developed by Onyx Security. PromptArmor Claude Skills Risk Assessment is developed by PromptArmor. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Onyx Platform and PromptArmor Claude Skills Risk Assessment serve similar Agentic AI Security use cases: both are Agentic AI Security tools, both cover Agentic AI Security, Prompt Injection, LLM Security. Key differences: Onyx Platform is Commercial while PromptArmor Claude Skills Risk Assessment is Free. Review the feature comparison above to determine which fits your requirements.