# Caterpillar vs Ultra Ledger: side-by-side comparison (2026)

[Caterpillar](https://cybersectools.com/tools/caterpillar) is a free [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Alice](https://cybersectools.com/companies/alice). [Ultra Ledger](https://cybersectools.com/tools/ultra-ledger) is a commercial [agentic AI security](https://cybersectools.com/categories/agentic-ai-security) solution by [Ultra](https://cybersectools.com/companies/ultra). 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

| | Caterpillar | Ultra Ledger |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Agentic AI Security | Agentic AI Security |
| Verified | No | No |
| Deployment type | On-Premises | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| Company | Alice | Ultra |
| Headquarters | – | – |

### Use cases and capabilities

| | Caterpillar | Ultra Ledger |
|---|---|---|
| Agentic AI Security | Yes | Yes |
| MCP Security | Yes | Yes |
| LLM Security | Yes | – |
| Supply Chain Security | Yes | Yes |
| Security Scanning | Yes | Yes |
| Data Exfiltration | Yes | – |
| Permissions | Yes | – |
| Open Source | Yes | – |
| CI/CD | Yes | – |
| Verification | – | Yes |
| Third Party Security | – | Yes |
| Search | – | Yes |
| Vulnerabilities | – | Yes |
| Generative AI | – | Yes |

### Core features

**Caterpillar**

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

**Ultra Ledger**

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

### Integrations

**Caterpillar**

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

**Ultra Ledger**

No integrations listed.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Caterpillar](https://cybersectools.com/tools/caterpillar) fits if you need to run it on your own servers and you need a free product.
- [Ultra Ledger](https://cybersectools.com/tools/ultra-ledger) fits if you want a cloud product.

## Caterpillar vs Ultra Ledger FAQ

Common questions when comparing Caterpillar vs Ultra Ledger for agentic AI security.

### What is the difference between Caterpillar and Ultra Ledger?

**Caterpillar**: CLI scanner that detects security threats in AI agent skills before installation. Built by Alice.

**Ultra Ledger**: Security registry for MCP servers with trust scores and per-version scanning. Built by Ultra.

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

### Who makes Caterpillar and Ultra Ledger?

**Caterpillar** is made by Alice founded in 2018-01-01T00:00:00.000Z. **Ultra Ledger** is made by Ultra. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Caterpillar a good alternative to Ultra Ledger?

Often, yes. Caterpillar and Ultra Ledger are both Agentic AI Security products, and both cover MCP Security, Agentic AI Security, Supply Chain Security. Key differences: Caterpillar is Free while Ultra Ledger is Commercial. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Caterpillar vs Oryo](https://cybersectools.com/compare/caterpillar-vs-oryo)
- [Caterpillar vs Sonoma Security](https://cybersectools.com/compare/caterpillar-vs-sonoma-security)
- [Caterpillar vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-caterpillar)
- [Ultra Ledger vs Oryo](https://cybersectools.com/compare/oryo-vs-ultra-ledger)
- [Ultra Ledger vs Sonoma Security](https://cybersectools.com/compare/sonoma-security-vs-ultra-ledger)
- [Ultra Ledger vs Autonomous Security](https://cybersectools.com/compare/autonomous-security-vs-ultra-ledger)

## Alternatives to each

- [See all Caterpillar alternatives](https://cybersectools.com/alternatives/caterpillar)
- [See all Ultra Ledger alternatives](https://cybersectools.com/alternatives/ultra-ledger)

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Source: https://cybersectools.com/compare/caterpillar-vs-ultra-ledger

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

More on Caterpillar and Ultra Ledger: 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