# Agen.co Personas vs AI Shield M99: side-by-side comparison (2026)

[Agen.co Personas](https://cybersectools.com/tools/agenco-personas) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Agen.co](https://cybersectools.com/companies/agenco). [AI Shield M99](https://cybersectools.com/tools/ai-shield-m99) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Red Specter Security](https://cybersectools.com/companies/red-specter-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 4 more.

## Side-by-side comparison

| | Agen.co Personas | AI Shield M99 |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | Agentic AI Security |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Agen.co | Red Specter Security |
| Headquarters | – | – |

### Use cases and capabilities

| | Agen.co Personas | AI Shield M99 |
|---|---|---|
| Agentic AI Security | Yes | Yes |
| AI Governance | Yes | – |
| MCP Security | Yes | – |
| Non-Human Identity | Yes | – |
| Shadow AI | Yes | – |
| AI Observability | Yes | – |
| Policy | Yes | – |
| Inventory | Yes | – |
| Runtime Security | Yes | Yes |
| AI Compliance | Yes | – |
| LLM Security | – | Yes |
| Anomaly Detection | – | Yes |
| Kubernetes Security | – | Yes |
| Lambda | – | Yes |
| AWS | – | Yes |
| Isolation | – | Yes |
| Alerting | – | Yes |

### Core features

**Agen.co Personas**

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

**AI Shield M99**

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

### Integrations

**Agen.co Personas**

No integrations listed.

**AI Shield M99**

5 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.

- [Agen.co Personas](https://cybersectools.com/tools/agenco-personas) fits if you want a cloud product.
- [AI Shield M99](https://cybersectools.com/tools/ai-shield-m99) fits if you need to run it on your own servers.

## Agen.co Personas vs AI Shield M99 FAQ

Common questions when comparing Agen.co Personas vs AI Shield M99 for agentic AI security.

### What is the difference between Agen.co Personas and AI Shield M99?

**Agen.co Personas**: AI agent governance platform for CISOs, security teams, IT, and devs, built by Agen.co.

**AI Shield M99**: AI agent kill switch with 6-level graduated response and 7-layer termination, built by Red Specter Security.

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

### Who makes Agen.co Personas and AI Shield M99?

**Agen.co Personas** is made by Agen.co. **AI Shield M99** is made by Red Specter Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Agen.co Personas a good alternative to AI Shield M99?

Often, yes. Agen.co Personas and AI Shield M99 are both Agentic AI Security products, and both cover Agentic AI Security, Runtime Security. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Agen.co Personas vs Agen.co Platform](https://cybersectools.com/compare/agenco-personas-vs-agenco-platform)
- [Agen.co Personas vs JetStream Security-First AI Governance Platform](https://cybersectools.com/compare/agenco-personas-vs-jetstream-saig-platform)
- [Agen.co Personas vs Golf MCP Control Plane](https://cybersectools.com/compare/agenco-personas-vs-golf-mcp-control-plane)
- [AI Shield M99 vs Agen.co Platform](https://cybersectools.com/compare/agenco-platform-vs-ai-shield-m99)
- [AI Shield M99 vs JetStream Security-First AI Governance Platform](https://cybersectools.com/compare/ai-shield-m99-vs-jetstream-saig-platform)
- [AI Shield M99 vs Golf MCP Control Plane](https://cybersectools.com/compare/ai-shield-m99-vs-golf-mcp-control-plane)

## Alternatives to each

- [See all Agen.co Personas alternatives](https://cybersectools.com/alternatives/agenco-personas)
- [See all AI Shield M99 alternatives](https://cybersectools.com/alternatives/ai-shield-m99)

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Source: https://cybersectools.com/compare/agenco-personas-vs-ai-shield-m99

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

More on Agen.co Personas and AI Shield M99: 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
