# HOL Guard vs Langfuse

> HOL Guard: Local approvals for AI coding agent actions before they touch your machine
> Langfuse: Open-source platform to trace, evaluate and improve LLM applications and agents

- HOL Guard profile: https://finderatlas.com/tools/hol-guard
- Langfuse profile: https://finderatlas.com/tools/langfuse
- Comparison page: https://finderatlas.com/compare/hol-guard-vs-langfuse
- Last reviewed: November 2026

## Verdict

HOL Guard is listed under Coding AI and Langfuse under Developer Tools. Langfuse scores higher in FinderAtlas's editorial review (8.4 vs 7.8 out of 10). Both have a free plan or trial. Only HOL Guard is available on macOS and Linux. Only Langfuse is available on Web and offers an API.

### Choose HOL Guard if

- You want a tool built for approving risky agent actions locally, Protecting secrets from coding agents, Reviewing MCP servers, skills and plugins before use.
- Open source under Apache-2.0 with public code and release history.
- Works offline with no account on the free local tier.

### Choose Langfuse if

- You want a tool built for production tracing and debugging of LLM apps and agents, prompt versioning, and systematic evaluation on real data.
- MIT-licensed core with free self-hosting, avoiding vendor lock-in.
- Covers tracing, prompt management and evaluation in one platform.

## Pricing

| | HOL Guard | Langfuse |
| --- | --- | --- |
| Pricing model | Freemium | Freemium |
| Free plan or trial | Yes | Yes |
| Starting price | $0 | $0 |

## Features

| Feature | HOL Guard | Langfuse |
| --- | --- | --- |
| Pre-action interception | Yes | Not listed |
| Policy outcomes | Yes | Not listed |
| Local audit trail | Yes | Not listed |
| MCP, skills and plugin inspection | Yes | Not listed |
| Layered policy | Yes | Not listed |
| Plugin scanner | Yes | Not listed |
| Risk check | Yes | Not listed |
| Coverage matrix | Yes | Not listed |
| Broad agent support | Yes | Not listed |
| Tracing | Not listed | Yes |
| Evaluation | Not listed | Yes |
| Prompt Management | Not listed | Yes |
| Playground | Not listed | Yes |
| Datasets and Experiments | Not listed | Yes |
| Cost and Latency Dashboards | Not listed | Yes |
| Open-Source Self-Hosting | Not listed | Yes |
| APIs and MCP Servers | Not listed | Yes |

## Platforms

| Platform | HOL Guard | Langfuse |
| --- | --- | --- |
| Web | No | Yes |
| Windows | No | No |
| macOS | Yes | No |
| iOS | No | No |
| Android | No | No |
| API | No | Yes |
| Browser Extension | No | No |
| Linux | Yes | No |
| CLI | Yes | Yes |

## HOL Guard strengths

- Open source under Apache-2.0 with public code and release history
- Works offline with no account on the free local tier
- Lets you approve or block actions instead of only logging them
- Covers MCP servers, skills, plugins and package installs, not just shell commands
- Publishes a coverage matrix and states its limits openly

## HOL Guard limitations

- Coverage depth varies by agent and event type, and some integrations are alpha
- Install instructions cover macOS and Linux; Windows support is not stated
- Cloud tiers add cost, and annual prices are not listed
- Site has no visible terms or company address on the product page

## Langfuse strengths

- MIT-licensed core with free self-hosting, avoiding vendor lock-in.
- Covers tracing, prompt management and evaluation in one platform.
- Free Hobby tier with 50k units per month and no credit card required.
- Over 100 integrations, plus OpenTelemetry for languages without a native SDK.
- Core plan at $29/month with unlimited users.

## Langfuse limitations

- Hobby is limited to 2 users and 30 days of data access.
- SOC 2, ISO 27001 and HIPAA support start at the $199/month Pro plan, and SSO and RBAC need a $300/month add-on.
- Audit logs, SCIM and SLAs are restricted to the $2,499/month Enterprise plan.
- Usage-based unit overage adds cost for high-volume tracing.

## FAQ

**Is HOL Guard better than Langfuse?**

It depends on your workflow. HOL Guard is built for approving risky agent actions locally, Protecting secrets from coding agents, Reviewing MCP servers, skills and plugins before use. Langfuse is built for production tracing and debugging of LLM apps and agents, prompt versioning, and systematic evaluation on real data.

**What are the key feature differences between HOL Guard and Langfuse?**

HOL Guard: Local approvals for AI coding agent actions before they touch your machine. Langfuse: Open-source platform to trace, evaluate and improve LLM applications and agents.

**Does HOL Guard or Langfuse have a free plan?**

Yes, both do. HOL Guard is freemium and Langfuse is freemium, and each has a free plan or trial.

**Which is cheaper, HOL Guard or Langfuse?**

Both can be used for free. Paid plans differ in limits and features, so compare the tiers in the pricing table above.