# Repello MCP Gateway vs Sun.Security Sun: side-by-side comparison (2026)

[Repello MCP Gateway](https://cybersectools.com/tools/repello-mcp-gateway) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Repello AI](https://cybersectools.com/companies/repello-ai). [Sun.Security Sun](https://cybersectools.com/tools/sunsecurity-sun) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Sun.Security](https://cybersectools.com/companies/sunsecurity). 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

| | Repello MCP Gateway | Sun.Security Sun |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | Agentic AI Security |
| Verified | No | No |
| Deployment type | Hybrid | Hybrid |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Repello AI | Sun.Security |
| Headquarters | – | – |

### Use cases and capabilities

| | Repello MCP Gateway | Sun.Security Sun |
|---|---|---|
| Gateway | Yes | – |
| Policy | Yes | – |
| Generative AI | Yes | Yes |
| MCP Security | Yes | Yes |
| Agentic AI Security | – | Yes |
| AI Governance | – | Yes |
| AI Observability | – | Yes |
| Anomaly Detection | – | Yes |
| Visibility | – | Yes |
| Runtime Security | – | Yes |
| Data Exfiltration | – | Yes |
| Prompt Injection | – | Yes |

### Core features

**Repello MCP Gateway**

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

**Sun.Security Sun**

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

### Integrations

**Repello MCP Gateway**

No integrations listed.

**Sun.Security Sun**

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

## Repello MCP Gateway vs Sun.Security Sun FAQ

Common questions when comparing Repello MCP Gateway vs Sun.Security Sun for agentic AI security.

### What is the difference between Repello MCP Gateway and Sun.Security Sun?

**Repello MCP Gateway**: Security gateway for monitoring and protecting MCP-based AI agent tool calls, built by Repello AI.

**Sun.Security Sun**: Security platform for discovering, assessing, and controlling AI agent behavior, built by Sun.Security.

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

### Who makes Repello MCP Gateway and Sun.Security Sun?

**Repello MCP Gateway** is made by Repello AI. **Sun.Security Sun** is made by Sun.Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Repello MCP Gateway a good alternative to Sun.Security Sun?

Often, yes. Repello MCP Gateway and Sun.Security Sun are both Agentic AI Security products, and both cover MCP Security, Generative AI. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Repello MCP Gateway vs Certiv](https://cybersectools.com/compare/certiv-vs-repello-mcp-gateway)
- [Repello MCP Gateway vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-repello-mcp-gateway)
- [Repello MCP Gateway vs Bay Security Agentic Endpoint Security](https://cybersectools.com/compare/bay-security-agentic-endpoint-security-vs-repello-mcp-gateway)
- [Sun.Security Sun vs Certiv](https://cybersectools.com/compare/certiv-vs-sunsecurity-sun)
- [Sun.Security Sun vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-sunsecurity-sun)
- [Sun.Security Sun vs Bay Security Agentic Endpoint Security](https://cybersectools.com/compare/bay-security-agentic-endpoint-security-vs-sunsecurity-sun)

## Alternatives to each

- [See all Repello MCP Gateway alternatives](https://cybersectools.com/alternatives/repello-mcp-gateway)
- [See all Sun.Security Sun alternatives](https://cybersectools.com/alternatives/sunsecurity-sun)

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Source: https://cybersectools.com/compare/repello-mcp-gateway-vs-sunsecurity-sun

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

More on Repello MCP Gateway and Sun.Security Sun: 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