# What License Does VulnClaw Use? Complete MIT License Guide

> Discover the VulnClaw license details. Learn about the permissive MIT License for commercial use, modification, and distribution of this open-source project.

- Repository: [Unclecheng/VulnClaw](https://github.com/Unclecheng-li/VulnClaw)
- Tags: api-reference
- Published: 2026-07-03

---

**VulnClaw is distributed under the MIT License**, a permissive open-source license that allows commercial use, modification, and distribution provided that the original copyright notice is preserved.

The open-source vulnerability analysis tool VulnClaw, hosted in the repository `Unclecheng-li/VulnClaw`, provides developers with transparent licensing terms that encourage adoption and contribution. Understanding the **license for VulnClaw** is essential before integrating it into your security pipeline or distributing derivative works.

## Where to Find the License Declaration

According to the VulnClaw source code, the licensing information is stored in two primary locations within the repository.

### The LICENSE File

The complete legal text of the MIT License resides in the repository's root directory within the `LICENSE` file. This document contains the full copyright notice and permission notice required for redistribution and serves as the authoritative legal text governing the use of the software.

### The pyproject.toml Declaration

The license is formally declared in the project's metadata configuration. In the [`pyproject.toml`](https://github.com/Unclecheng-li/VulnClaw/blob/main/pyproject.toml) file, under the `[project]` section, the `license` field explicitly specifies "MIT", ensuring that package managers and automated tools can detect the licensing terms programmatically.

```toml
[project]
license = { text = "MIT" }

```

## Understanding the MIT License Terms

The MIT License is an OSI-approved permissive license that grants extensive rights to users. According to the `LICENSE` file in the Unclecheng-li/VulnClaw repository, you are free to:

- Use the software for any purpose
- Copy, modify, and merge the code
- Publish and distribute copies
- Sublicense and sell the software

The sole condition requires that the original copyright notice and permission notice appear in all copies or substantial portions of the software.

## How to Verify the License Programmatically

You can confirm the licensing terms programmatically using Python's metadata API or command-line tools without manually inspecting the repository files.

### Using Python importlib.metadata

```python
import importlib.metadata as md

# Retrieve the license field from the installed package metadata

license_str = md.metadata("vulnclaw")["License"]
print(f"VulnClaw is licensed under: {license_str}")

```

### Using pip show Command

```bash

# Check the license using the command-line tool pip show

pip show vulnclaw | grep License

# Expected output:

# License: MIT

```

## Summary

- VulnClaw uses the **MIT License**, as stated in both the `LICENSE` file and [`pyproject.toml`](https://github.com/Unclecheng-li/VulnClaw/blob/main/pyproject.toml).
- The MIT License permits commercial use, modification, distribution, and sublicensing with minimal restrictions.
- You must include the original copyright and permission notices when redistributing the code or creating derivative works.
- License information can be verified programmatically via Python's `importlib.metadata` module or the `pip show` command.

## Frequently Asked Questions

### Is VulnClaw open source?

Yes, VulnClaw is fully open source. The repository Unclecheng-li/VulnClaw is publicly available on GitHub and distributed under the MIT License, which is an OSI-approved open-source license that provides transparency and accessibility to all users without discrimination against fields of endeavor.

### Can I use VulnClaw in commercial projects?

Yes, the MIT License explicitly permits commercial use. You can incorporate VulnClaw into proprietary applications, modify the source code, and distribute the software commercially, provided you include the original copyright notice and license text in your distribution as required by the `LICENSE` file terms.

### Do I need to attribute the authors when using VulnClaw?

Yes, the MIT License requires that you preserve the original copyright notice and permission notice in all copies or substantial portions of the software. This attribution must appear in your documentation or source code when redistributing VulnClaw or derivative works, as specified in the repository's `LICENSE` file.

### Where is the license information stored in the VulnClaw repository?

The primary license text is located in the `LICENSE` file at the repository root. Additionally, the license is declared in the [`pyproject.toml`](https://github.com/Unclecheng-li/VulnClaw/blob/main/pyproject.toml) file under the `[project]` section with the `license` field, which package managers use to identify the project's licensing terms during installation.