# Lumeus MCP Security vs Onyx Platform: side-by-side comparison (2026) [Lumeus MCP Security](https://cybersectools.com/tools/lumeus-mcp-security) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Lumeus](https://cybersectools.com/companies/lumeus). [Onyx Platform](https://cybersectools.com/tools/onyx-platform) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Onyx Security](https://cybersectools.com/companies/onyx-security). Features, integrations, deployment and the company behind each one, side by side. Need the answer fast? [Best Agentic AI Security Solutions for Business](https://cybersectools.com/shortlists/best-agentic-ai-security-solutions) picks CrowdStrike Falcon Guardian, Rubrik Agent Cloud, Silverfort AI Agent Security and 5 more. ## Side-by-side comparison | | Lumeus MCP Security | Onyx Platform | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Agentic AI Security | Agentic AI Security | | Verified | No | No | | Deployment type | Cloud | Hybrid | | Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise | | Company | Lumeus | Onyx Security | | Headquarters | – | – | ### Use cases and capabilities | | Lumeus MCP Security | Onyx Platform | |---|---|---| | Proxy | Yes | – | | Policy | Yes | – | | MCP Security | Yes | Yes | | Agentic AI Security | – | Yes | | AI Governance | – | Yes | | AI Observability | – | Yes | | AI SPM | – | Yes | | LLM Guardrails | – | Yes | | LLM Security | – | Yes | | Prompt Injection | – | Yes | | Shadow AI | – | Yes | | GenAI Security | – | Yes | ### Core features **Lumeus MCP Security** 10 features listed. Sign in on the page to see them. **Onyx Platform** 10 features listed. Sign in on the page to see them. ### Integrations **Lumeus MCP Security** 3 integrations listed. Sign in on the page to see them. **Onyx Platform** 11 integrations listed. Sign in on the page to see them. ## Which one fits you Based on what each listing shows: deployment, company size, price and open source. - [Lumeus MCP Security](https://cybersectools.com/tools/lumeus-mcp-security) fits if you want a cloud product and you are a small business. - [Onyx Platform](https://cybersectools.com/tools/onyx-platform) fits if you need both cloud and on-premises options. ## Lumeus MCP Security vs Onyx Platform FAQ Common questions when comparing Lumeus MCP Security vs Onyx Platform for agentic AI security. ### What is the difference between Lumeus MCP Security and Onyx Platform? **Lumeus MCP Security**: Secures MCP sessions in AI dev environments via proxy, discovery, and policy enforcement. Built by Lumeus. **Onyx Platform**: AI control plane for enterprise AI agent security, governance, and observability. Built by Onyx Security. The table above shows where their features, integrations, deployment and company size fit differ. ### Who makes Lumeus MCP Security and Onyx Platform? **Lumeus MCP Security** is made by Lumeus. **Onyx Platform** is made by Onyx Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit. ### Is Lumeus MCP Security a good alternative to Onyx Platform? Often, yes. Lumeus MCP Security and Onyx Platform are both Agentic AI Security products, and both cover MCP Security. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Lumeus MCP Security vs CodeIntegrity AARM Platform](https://cybersectools.com/compare/codeintegrity-aarm-platform-vs-lumeus-mcp-security) - [Lumeus MCP Security vs Oryo](https://cybersectools.com/compare/lumeus-mcp-security-vs-oryo) - [Lumeus MCP Security vs Evoke Security](https://cybersectools.com/compare/evoke-security-vs-lumeus-mcp-security) - [Onyx Platform vs CodeIntegrity AARM Platform](https://cybersectools.com/compare/codeintegrity-aarm-platform-vs-onyx-platform) - [Onyx Platform vs Oryo](https://cybersectools.com/compare/onyx-platform-vs-oryo) - [Onyx Platform vs Evoke Security](https://cybersectools.com/compare/evoke-security-vs-onyx-platform) ## Alternatives to each - [See all Lumeus MCP Security alternatives](https://cybersectools.com/alternatives/lumeus-mcp-security) - [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform) --- Source: https://cybersectools.com/compare/lumeus-mcp-security-vs-onyx-platform For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/lumeus-mcp-security.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Lumeus MCP Security and Onyx Platform: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md