# Arcade MCP Runtime vs Onyx Platform: side-by-side comparison (2026) [Arcade MCP Runtime](https://cybersectools.com/tools/arcade-mcp-runtime) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Arcade](https://cybersectools.com/companies/arcade). [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. ## Our take What our shortlists say about the one we picked. ### [Arcade MCP Runtime](https://cybersectools.com/tools/arcade-mcp-runtime) Best for: Engineering teams deploying multi-user AI agents at production scale The limitation is that Arcade is infrastructure, not a security monitoring platform. It does not detect anomalous agent behavior, it does not surface shadow AI deployments, and it does not provide the kind of posture management or detection and response capabilities that the other solutions in this roundup offer. The NIST coverage data is not specified, which reflects this positioning. Arcade belongs in a stack alongside a detection solution like Oligo or a posture management solution like Straiker, not as a standalone security solution. If you are an engineering team scaling AI agent deployments and you want the authorization model to be correct from day one, Arcade is the right foundation. From [Best Agentic AI Security Solutions for Business](https://cybersectools.com/shortlists/best-agentic-ai-security-solutions), Fall 2026. Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about). 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 | | Arcade MCP Runtime | Onyx Platform | |---|---|---| | Pricing model | Commercial | Commercial | | Category | Agentic AI Security | Agentic AI Security | | Verified | No | No | | Deployment type | Hybrid | Hybrid | | Company size fit | SMB, Mid-Market, Enterprise | Mid-Market, Enterprise | | Company | Arcade | Onyx Security | | Headquarters | – | – | ### Use cases and capabilities | | Arcade MCP Runtime | Onyx Platform | |---|---|---| | Agentic AI Security | Yes | Yes | | MCP Security | Yes | Yes | | Authorization | Yes | – | | LLM Security | Yes | Yes | | Non-Human Identity | Yes | – | | AI Governance | Yes | Yes | | GenAI Security | Yes | Yes | | Runtime Security | Yes | – | | Generative AI | Yes | – | | AI Observability | – | Yes | | AI SPM | – | Yes | | LLM Guardrails | – | Yes | | Prompt Injection | – | Yes | | Shadow AI | – | Yes | ### Core features **Arcade MCP Runtime** 7 features listed. Sign in on the page to see them. **Onyx Platform** 10 features listed. Sign in on the page to see them. ### Integrations **Arcade MCP Runtime** 16 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. - [Arcade MCP Runtime](https://cybersectools.com/tools/arcade-mcp-runtime) fits if you are a small business. ## Arcade MCP Runtime vs Onyx Platform FAQ Common questions when comparing Arcade MCP Runtime vs Onyx Platform for agentic AI security. ### What is the difference between Arcade MCP Runtime and Onyx Platform? **Arcade MCP Runtime**: MCP runtime for securing and governing AI agents in production deployments. Built by Arcade. **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 Arcade MCP Runtime and Onyx Platform? **Arcade MCP Runtime** is made by Arcade. **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 Arcade MCP Runtime a good alternative to Onyx Platform? Often, yes. Arcade MCP Runtime and Onyx Platform are both Agentic AI Security products, and both cover Agentic AI Security, AI Governance, LLM Security. Use the table above to see where features, deployment and company size fit differ. ## Related comparisons - [Arcade MCP Runtime vs Highflame Platform](https://cybersectools.com/compare/arcade-mcp-runtime-vs-highflame-platform) - [Arcade MCP Runtime vs Votal AI Agent IDP & Guardrails](https://cybersectools.com/compare/arcade-mcp-runtime-vs-votal-ai-agent-idp-and-guardrails) - [Arcade MCP Runtime vs Evoke Security](https://cybersectools.com/compare/arcade-mcp-runtime-vs-evoke-security) - [Onyx Platform vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-onyx-platform) - [Onyx Platform vs Votal AI Agent IDP & Guardrails](https://cybersectools.com/compare/onyx-platform-vs-votal-ai-agent-idp-and-guardrails) - [Onyx Platform vs Evoke Security](https://cybersectools.com/compare/evoke-security-vs-onyx-platform) ## Alternatives to each - [See all Arcade MCP Runtime alternatives](https://cybersectools.com/alternatives/arcade-mcp-runtime) - [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform) --- Source: https://cybersectools.com/compare/arcade-mcp-runtime-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/arcade-mcp-runtime.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md. More on Arcade MCP Runtime 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