Change license to MIT allowing commercial use!

.claude-plugin/marketplace.json

@@ -7,7 +7,7 @@
   },
   "metadata": {
     "description": "Claude scientific skills from K-Dense Inc",
-    "version": "1.55.0"
+    "version": "1.56.0"
   },
   "plugins": [
     {

LICENSE.md

@@ -1,56 +1,21 @@
-# PolyForm Noncommercial License 1.0.0  
+MIT License
-<https://polyformproject.org/licenses/noncommercial/1.0.0>
 
-> **Required Notice:** Copyright © K-Dense Inc. (https://k-dense.ai)
+Copyright (c) 2025 K-Dense Inc.
 
-## Acceptance  
+Permission is hereby granted, free of charge, to any person obtaining a copy
-In order to get any license under these terms, you must agree to them as both strict obligations and conditions to all your licenses.
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
 
-## Copyright License  
+The above copyright notice and this permission notice shall be included in all
-The licensor (**K-Dense Inc.**) grants you a copyright license for the software to do everything you might do with the software that would otherwise infringe the licensor's copyright in it for any permitted purpose. However, you may only distribute the software according to [Distribution License](#distribution-license) and make changes or new works based on the software according to [Changes and New Works License](#changes-and-new-works-license).
+copies or substantial portions of the Software.
 
-## Distribution License  
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-The licensor (**K-Dense Inc.**) grants you an additional copyright license to distribute copies of the software. Your license to distribute covers distributing the software with changes and new works permitted by [Changes and New Works License](#changes-and-new-works-license).
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-## Notices  
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-You must ensure that anyone who gets a copy of any part of the software from you also gets a copy of these terms or the URL for them above, as well as copies of any plain-text lines beginning with `Required Notice:` that the licensor provided with the software. For example:  
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-> Required Notice: Copyright © K-Dense Inc. (https://k-dense.ai)
+SOFTWARE.
-
-## Changes and New Works License  
-The licensor (**K-Dense Inc.**) grants you an additional copyright license to make changes and new works based on the software for any permitted purpose.
-
-## Patent License  
-The licensor (**K-Dense Inc.**) grants you a patent license for the software that covers patent claims the licensor can license, or becomes able to license, that you would infringe by using the software.
-
-## Noncommercial Purposes  
-Any noncommercial purpose is a permitted purpose.
-
-## Personal Uses  
-Personal use for research, experiment, and testing for the benefit of public knowledge, personal study, private entertainment, hobby projects, amateur pursuits, or religious observance, without any anticipated commercial application, is use for a permitted purpose.
-
-## Noncommercial Organizations  
-Use by any charitable organization, educational institution, public research organization, public safety or health organization, environmental protection organization, or government institution is use for a permitted purpose regardless of the source of funding or obligations resulting from the funding.
-
-## Fair Use  
-You may have "fair use" rights for the software under the law. These terms do not limit them.
-
-## No Other Rights  
-These terms do not allow you to sublicense or transfer any of your licenses to anyone else, or prevent the licensor (**K-Dense Inc.**) from granting licenses to anyone else. These terms do not imply any other licenses.
-
-## Patent Defense  
-If you make any written claim that the software infringes or contributes to infringement of any patent, your patent license for the software granted under these terms ends immediately. If your company makes such a claim, your patent license ends immediately for work on behalf of your company.
-
-## Violations  
-The first time you are notified in writing that you have violated any of these terms, or done anything with the software not covered by your licenses, your licenses can nonetheless continue if you come into full compliance with these terms and take practical steps to correct past violations within 32 days of receiving notice. Otherwise, all your licenses end immediately.
-
-## No Liability  
-***As far as the law allows, the software comes as is, without any warranty or condition, and K-Dense Inc. will not be liable to you for any damages arising out of these terms or the use or nature of the software, under any kind of legal claim.***
-
-## Definitions  
-The **licensor** is **K-Dense Inc.**, the individual or entity offering these terms, and the **software** is the software K-Dense Inc. makes available under these terms.  
-
-**You** refers to the individual or entity agreeing to these terms.  
-**Your company** is any legal entity, sole proprietorship, or other kind of organization that you work for, plus all organizations that have control over, are under the control of, or are under common control with that organization. **Control** means ownership of substantially all the assets of an entity, or the power to direct its management and policies by vote, contract, or otherwise. Control can be direct or indirect.  
-**Your licenses** are all the licenses granted to you for the software under these terms.  
-**Use** means anything you do with the software requiring one of your licenses.

README.md

@@ -1,6 +1,6 @@
 # Claude Scientific Skills
 
-[![License: PolyForm Noncommercial 1.0.0](https://img.shields.io/badge/License-PolyForm%20Noncommercial-blue.svg)](LICENSE.md)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](LICENSE.md)
 [![GitHub Stars](https://img.shields.io/github/stars/K-Dense-AI/claude-scientific-skills?style=social)](https://github.com/K-Dense-AI/claude-scientific-skills)
 [![Skills](https://img.shields.io/badge/Skills-83-brightgreen.svg)](#what-s-included)
 [![Workflows](https://img.shields.io/badge/Workflows-122-orange.svg)](#what-s-included)
@@ -36,6 +36,7 @@ These skills enable Claude to work with specialized scientific libraries and dat
 - [Troubleshooting](#troubleshooting)
 - [FAQ](#faq)
 - [Support](#support)
+- [Citation](#citation)
 - [License](#license)
 
 ---
@@ -440,7 +441,7 @@ Your contributions help make scientific computing more accessible and enable res
 ## ❓ FAQ
 
 **Q: Is this free to use?**  
-A: Yes, for noncommercial use. See the [License](#license) section for details.
+A: Yes, for any purpose including commercial use. This project is MIT licensed.
 
 **Q: Do I need all the Python packages installed?**  
 A: No, only install the packages you need. Each skill specifies its requirements.
@@ -452,7 +453,7 @@ A: The skills are designed for Claude but can be adapted for other models with M
 A: We regularly update skills to reflect the latest versions of packages and APIs.
 
 **Q: Can I use this for commercial projects?**  
-A: For commercial use, please visit [K-Dense](https://k-dense.ai/) for enterprise licensing.
+A: Yes! The MIT License allows both commercial and noncommercial use without restrictions.
 
 **Q: What if a skill doesn't work?**  
 A: First check the troubleshooting section, then file an issue on GitHub with details.
@@ -477,15 +478,51 @@ Need help? Here's how to get support:
 
 ---
 
+## 📖 Citation
+
+If you use Claude Scientific Skills in your research or project, please cite it as:
+
+### BibTeX
+```bibtex
+@software{claude_scientific_skills_2025,
+  author = {{K-Dense Inc.}},
+  title = {Claude Scientific Skills: A Comprehensive Collection of Scientific Tools for Claude AI},
+  year = {2025},
+  url = {https://github.com/K-Dense-AI/claude-scientific-skills},
+  note = {skills covering databases, packages, integrations, and analysis tools}
+}
+```
+
+### APA
+```
+K-Dense Inc. (2025). Claude Scientific Skills: A comprehensive collection of scientific tools for Claude AI [Computer software]. https://github.com/K-Dense-AI/claude-scientific-skills
+```
+
+### MLA
+```
+K-Dense Inc. Claude Scientific Skills: A Comprehensive Collection of Scientific Tools for Claude AI. 2025, github.com/K-Dense-AI/claude-scientific-skills.
+```
+
+### Plain Text
+```
+Claude Scientific Skills by K-Dense Inc. (2025)
+Available at: https://github.com/K-Dense-AI/claude-scientific-skills
+```
+
+We appreciate acknowledgment in publications, presentations, or projects that benefit from these skills!
+
+---
+
 ## 📄 License
 
-This project is licensed under the **PolyForm Noncommercial License 1.0.0**.
+This project is licensed under the **MIT License**.
 
-**Copyright © K-Dense Inc.** ([k-dense.ai](https://k-dense.ai/))
+**Copyright © 2025 K-Dense Inc.** ([k-dense.ai](https://k-dense.ai/))
 
 ### Key Points:
-- ✅ **Free for noncommercial use** (research, education, personal projects)
+- ✅ **Free for any use** (commercial and noncommercial)
-- ✅ **Free for noncommercial organizations** (universities, research institutions)
+- ✅ **Open source** - modify, distribute, and use freely
-- ❌ **Commercial use requires separate license** (contact K-Dense)
+- ✅ **Permissive** - minimal restrictions on reuse
+- ⚠️ **No warranty** - provided "as is" without warranty of any kind
 
 See [LICENSE.md](LICENSE.md) for full terms.