# Agen.co Discover vs Plainsea Agentic Penetration Testing Platform: side-by-side comparison (2026)

[Agen.co Discover](https://cybersectools.com/tools/agenco-discover) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Agen.co](https://cybersectools.com/companies/agenco). [Plainsea Agentic Penetration Testing Platform](https://cybersectools.com/tools/plainsea-agentic-penetration-testing-platform) is a commercial [penetration testing](https://cybersectools.com/categories/pentesting-tools) solution by [Plainsea](https://cybersectools.com/companies/plainsea). Features, integrations, deployment and the company behind each one, side by side.

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## Side-by-side comparison

| | Agen.co Discover | Plainsea Agentic Penetration Testing Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Agentic AI Security | Penetration Testing |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Agen.co | Plainsea |
| Headquarters | – | – |

### Use cases and capabilities

| | Agen.co Discover | Plainsea Agentic Penetration Testing Platform |
|---|---|---|
| Agentic AI Security | Yes | Yes |
| Shadow AI | Yes | – |
| AI Governance | Yes | – |
| Non-Human Identity | Yes | – |
| Inventory | Yes | – |
| Observability | Yes | – |
| MCP Security | Yes | – |
| AI Observability | Yes | – |
| Visibility | Yes | – |
| GenAI Security | Yes | – |
| AI Pentesting | – | Yes |
| Penetration Testing Framework | – | Yes |
| Continuous Testing | – | Yes |
| Red Team | – | Yes |
| Vulnerability Prioritization | – | Yes |
| Security Reporting | – | Yes |
| VAPT | – | Yes |
| Security Validation | – | Yes |

### Core features

**Agen.co Discover**

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

**Plainsea Agentic Penetration Testing Platform**

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

### Integrations

**Agen.co Discover**

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

**Plainsea Agentic Penetration Testing Platform**

No integrations listed.

## Agen.co Discover vs Plainsea Agentic Penetration Testing Platform FAQ

Common questions when comparing Agen.co Discover vs Plainsea Agentic Penetration Testing Platform for agentic AI security.

### What is the difference between Agen.co Discover and Plainsea Agentic Penetration Testing Platform?

**Agen.co Discover**: Discovers & inventories all AI agents across IdP, cloud, and endpoints. Built by Agen.co.

**Plainsea Agentic Penetration Testing Platform**: Agentic AI platform for continuous, full-lifecycle penetration testing. Built by Plainsea.

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

### Who makes Agen.co Discover and Plainsea Agentic Penetration Testing Platform?

**Agen.co Discover** is made by Agen.co. **Plainsea Agentic Penetration Testing Platform** is made by Plainsea. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Agen.co Discover a good alternative to Plainsea Agentic Penetration Testing Platform?

In part. Agen.co Discover and Plainsea Agentic Penetration Testing Platform are not in the same category on CybersecTools. Both cover Agentic AI Security. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Agen.co Discover vs Golf MCP Control Plane](https://cybersectools.com/compare/agenco-discover-vs-golf-mcp-control-plane)
- [Agen.co Discover vs Agen Observability](https://cybersectools.com/compare/agen-observability-vs-agenco-discover)
- [Agen.co Discover vs Evoke Security](https://cybersectools.com/compare/agenco-discover-vs-evoke-security)
- [Plainsea Agentic Penetration Testing Platform vs Golf MCP Control Plane](https://cybersectools.com/compare/golf-mcp-control-plane-vs-plainsea-agentic-penetration-testing-platform)
- [Plainsea Agentic Penetration Testing Platform vs Agen Observability](https://cybersectools.com/compare/agen-observability-vs-plainsea-agentic-penetration-testing-platform)
- [Plainsea Agentic Penetration Testing Platform vs Evoke Security](https://cybersectools.com/compare/evoke-security-vs-plainsea-agentic-penetration-testing-platform)

## Alternatives to each

- [See all Agen.co Discover alternatives](https://cybersectools.com/alternatives/agenco-discover)
- [See all Plainsea Agentic Penetration Testing Platform alternatives](https://cybersectools.com/alternatives/plainsea-agentic-penetration-testing-platform)

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Source: https://cybersectools.com/compare/agenco-discover-vs-plainsea-agentic-penetration-testing-platform

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

More on Agen.co Discover and Plainsea Agentic Penetration Testing 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