Lumeus MCP Security vs Onyx Platform: Side-by-Side Comparison (2026)

Lumeus MCP Security: Secures MCP sessions in AI dev environments via proxy, discovery, and policy enforcement. built by Lumeus. Core capabilities include MCP server discovery across IDE environments, Sanctioned vs. unsanctioned MCP server inventory, Centralized deployment and governance of enterprise MCP servers..

Onyx Platform: AI control plane for enterprise AI agent security, governance, and observability. built by Onyx Security. Core capabilities include Real-time AI agent activity monitoring across LLMs and frameworks, Session replay and audit trail for compliance and forensics, Shadow AI and unapproved model deployment detection..

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

Lumeus MCP Security differentiates with MCP server discovery across IDE environments, Sanctioned vs. unsanctioned MCP server inventory, Centralized deployment and governance of enterprise MCP servers. Onyx Platform differentiates with Real-time AI agent activity monitoring across LLMs and frameworks, Session replay and audit trail for compliance and forensics, Shadow AI and unapproved model deployment detection.

Lumeus MCP Security is developed by Lumeus. Onyx Platform is developed by Onyx Security. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Lumeus MCP Security integrates with Cursor, Windsurf, VS Code. Onyx Platform integrates with AWS, AWS VPC, AWS Bedrock, GCP, Azure and 6 more. Check integration compatibility with your existing security stack before deciding.

Lumeus MCP Security and Onyx Platform serve similar Agentic AI Security use cases: both are Agentic AI Security tools, both cover MCP Security. Review the feature comparison above to determine which fits your requirements.