# MCP Gateway vs Onyx Platform: side-by-side comparison (2026)

[MCP Gateway](https://cybersectools.com/tools/mcp-gateway) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [NeuralTrust](https://cybersectools.com/companies/neuraltrust). [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

| | MCP Gateway | Onyx Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | Agentic AI Security |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | NeuralTrust | Onyx Security |
| Headquarters | – | – |

### Use cases and capabilities

| | MCP Gateway | Onyx Platform |
|---|---|---|
| Authorization | 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

**MCP Gateway**

9 features listed. Sign in on the page to see them.

**Onyx Platform**

10 features listed. Sign in on the page to see them.

### Integrations

**MCP Gateway**

No integrations listed.

**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.

- [MCP Gateway](https://cybersectools.com/tools/mcp-gateway) fits if you want a cloud product.
- [Onyx Platform](https://cybersectools.com/tools/onyx-platform) fits if you need both cloud and on-premises options.

## MCP Gateway vs Onyx Platform FAQ

Common questions when comparing MCP Gateway vs Onyx Platform for agentic AI security.

### What is the difference between MCP Gateway and Onyx Platform?

**MCP Gateway**: Gateway for controlling AI agent access to tools and data with permissions. Built by NeuralTrust.

**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 MCP Gateway and Onyx Platform?

**MCP Gateway** is made by NeuralTrust. **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 MCP Gateway a good alternative to Onyx Platform?

Often, yes. MCP Gateway 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

- [MCP Gateway vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-mcp-gateway)
- [MCP Gateway vs Oryo](https://cybersectools.com/compare/mcp-gateway-vs-oryo)
- [MCP Gateway vs Evoke Security](https://cybersectools.com/compare/evoke-security-vs-mcp-gateway)
- [Onyx Platform vs Highflame Platform](https://cybersectools.com/compare/highflame-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 MCP Gateway alternatives](https://cybersectools.com/alternatives/mcp-gateway)
- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)

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Source: https://cybersectools.com/compare/mcp-gateway-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/mcp-gateway.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on MCP Gateway 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