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

[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). [Stacklok Enterprise MCP Platform](https://cybersectools.com/tools/stacklok-enterprise-mcp-platform) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Stacklok](https://cybersectools.com/companies/stacklok). 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 4 more.

## Side-by-side comparison

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

### Use cases and capabilities

| | Onyx Platform | Stacklok Enterprise MCP Platform |
|---|---|---|
| Agentic AI Security | Yes | – |
| AI Governance | Yes | – |
| AI Observability | Yes | – |
| AI SPM | Yes | – |
| LLM Guardrails | Yes | – |
| LLM Security | Yes | – |
| MCP Security | Yes | Yes |
| Prompt Injection | Yes | – |
| Shadow AI | Yes | – |
| GenAI Security | Yes | – |
| Security Policy | – | Yes |
| Least Privilege | – | Yes |
| Gateway | – | Yes |
| Generative AI | – | Yes |

### Core features

**Onyx Platform**

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

**Stacklok Enterprise MCP Platform**

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

### Integrations

**Onyx Platform**

11 integrations listed. Sign in on the page to see them.

**Stacklok Enterprise MCP Platform**

3 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.

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

## Onyx Platform vs Stacklok Enterprise MCP Platform FAQ

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

### What is the difference between Onyx Platform and Stacklok Enterprise MCP Platform?

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

**Stacklok Enterprise MCP Platform**: Secure gateway platform for governing AI agent MCP server access in enterprises, built by Stacklok.

The table above shows where their features, integrations, deployment and company size fit differ.

### Who makes Onyx Platform and Stacklok Enterprise MCP Platform?

**Onyx Platform** is made by Onyx Security. **Stacklok Enterprise MCP Platform** is made by Stacklok. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Onyx Platform a good alternative to Stacklok Enterprise MCP Platform?

Often, yes. Onyx Platform and Stacklok Enterprise MCP 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

- [Onyx Platform vs Oryo](https://cybersectools.com/compare/onyx-platform-vs-oryo)
- [Onyx Platform vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-onyx-platform)
- [Onyx Platform vs Evoke Security](https://cybersectools.com/compare/evoke-security-vs-onyx-platform)
- [Stacklok Enterprise MCP Platform vs Oryo](https://cybersectools.com/compare/oryo-vs-stacklok-enterprise-mcp-platform)
- [Stacklok Enterprise MCP Platform vs Highflame Platform](https://cybersectools.com/compare/highflame-platform-vs-stacklok-enterprise-mcp-platform)
- [Stacklok Enterprise MCP Platform vs Evoke Security](https://cybersectools.com/compare/evoke-security-vs-stacklok-enterprise-mcp-platform)

## Alternatives to each

- [See all Onyx Platform alternatives](https://cybersectools.com/alternatives/onyx-platform)
- [See all Stacklok Enterprise MCP Platform alternatives](https://cybersectools.com/alternatives/stacklok-enterprise-mcp-platform)

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Source: https://cybersectools.com/compare/onyx-platform-vs-stacklok-enterprise-mcp-platform

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/onyx-platform.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Onyx Platform and Stacklok Enterprise MCP 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
