houdini-comfyui-bridge
A ComfyUI extension with 7 custom nodes.
Nodes (7)
The file shuttle between Houdini and ComfyUI — Copy Input to Output
When ComfyUI hands you a grayscale tensor that should be RGB — Fix Image Dimensions
The node that greets you with 'wahoooooo' — Input Path To Absolute
Show an image without loading it — String To Image Helper
Fixing Hunyuan3D's machine-made UVs — Trimesh UV Unwrap
A noop that earns its keep
Save text with a ComfyUI counter — String Save
📹 Demo Video
<!-- Embed your video demo here -->https://github.com/user-attachments/assets/61a780b8-4845-447e-acba-fb87de8dd643
🚀 Introduction
We are happy to annouce that Houdini ComfyUI Bridge is now open source. This is a toolset that allows you to bring the best of ComfyUI directly into Houdini.
-
✨ Feature 1: Load comfyUI nodes directly into COPs
-
✨ Feature 2: Import and export from comfyUI with ease. Generate images, meshes, audio and more.
-
✨ Feature 3: TOPs submitter allows users to develop custom pipelines that combine CG with diffusion and generative AI
📰 Latest News
- Dec 31, 2025: 🎉 Initial release of Houdini ComfyUI Bridge v0.5.2!
- Dec 16, 2024: 📝 SIGGRAPH Asia 2025 Course presentation and live demo.
- Nov 01, 2024: 🚧 Hive Equinox, Hive AI presentations, demoing video workflows.
- May 15, 2025: 💡 First public demonstration at Toronto Houdini User Group.
☕ Sponsors
Love this project? Help keep it alive and growing!
🎓 Enterprise training
Get your team up to speed fast with hands-on, private training. Reach out to [email protected] and let's chat!
📋 To-Do List
Development roadmap and completed milestones:
Core Features
- [x] Import Comfy Core nodes
- [x] Support to third party nodes
- [x] Input to parameter promotion
- [ ] Support to Comfy Paid API
Integration & Tools
- [x] Import and export Images
- [x] Import and export Meshes
- [x] Generic exporter for arbritary exports like audio, video and more
- [x] Sample example for points picker
- [x] Import and export Image sequences and batches
Documentation & Community
- [x] README and getting started guide
- [x] Tutorial videos
- [x] Discord Forum setup
- [ ] Contribution guidelines
Current limitations
- [x] No support to nodes that use JavaScript
❓ FAQ
What is Houdini ComfyUi?
Houdini ComfyUI Bridge is a professional-grade generative AI integration for Houdini's node-based environment. It's designed for VFX artists and creative professionals who need to leverage AI image generation within their existing production pipelines, using familiar tools like depth maps, cryptomattes, and automation workflows without relying on web-based services or pay-per-generation models.
What are the system requirements?
- OS: Linux (Ubuntu 20.04+), macOS, or Windows 10/11
- Houdini: H20.5.613+ or H21.0.465+
- ComfyUI: v0.3.33+
- Python: Python 3.11+
Is this a SideFX iniciative?
- NO, This is a community project kickstarted by <a href="https://www.linkedin.com/in/rafaeldrelich/">Rafael Drelich Valentim</a> and <a href="https://www.linkedin.com/in/xapkohheh/">Anatolii Iudanov</a>.
How do I get started?
Check out our Installation section below for step-by-step instructions. Also visit the public miro board for video tutorials
Can I use this for commercial purposes?
Yes! This project is licensed under the GLP v3.
How can I contribute?
We welcome contributions! Please see our contribution guidelines and submit a pull request.
🔧 Installation
Prerequisites
Ensure you have the following installed:
- OS: Linux (Ubuntu 20.04+), macOS, or Windows 10/11
- Houdini: H20.5.613+ or H21.0.465+
- ComfyUI: v0.3.33+
Step 1: Install Houdini and Comfyui
Step 2: Install Houdini plugin and ComfyUI Custom node
🎯 Quick Start
Follow the directions below or check out out <a href="https://miro.com/app/board/uXjVIq_PjD0=/?share_link_id=503797400507">Miro Board</a> for detailed instructions and videos.
Basic Usage
📄 License Agreement
This project is licensed under the GNU General Public License v3.0 (GPL-3.0).
Key Terms:
- ✅ Commercial Use: You may use this software for commercial purposes
- ✅ Modification: You may modify the source code
- ✅ Distribution: You may distribute this software
- ✅ Patent Use: Contributors grant you a patent license for their contributions
- 🔄 Copyleft: Derivative works must also be licensed under GPL v3
- 📖 Source Code Disclosure: You must provide source code when distributing
- ⚠️ Liability: The software is provided "as is" without warranty
- ⚠️ No Sublicensing: You cannot apply different license terms to derivative works
Your Responsibilities:
When you distribute this software or derivative works, you must:
- Provide the complete source code or make it readily available
- Keep all copyright notices and license information intact
- License the entire work under GPL v3
- State any changes you made to the original code
- Include a copy of the GPL v3 license with your distribution
- Not impose additional restrictions on recipients' rights
Freedom Philosophy:
This license ensures that you and all downstream users have the freedom to:
- Run the software for any purpose
- Study and modify the source code
- Share copies with others
- Distribute your modified versions
For the complete license text, see LICENSE.txt.
📞 Contact
We'd love to hear from you!
- GitHub Issues: Report bugs or request features
- Discord: <a href="https://discord.gg/gcrDwUBhnT">Join the community</a>
- LinkedIn: Reach Out!
- Mailing list: Join now to keep up with updates, training and new videos!
For business inquiries or partnership opportunities, please email:
<p align="center"> Made with ❤️ by the Capybara Crowporation Team </p> <p align="center"> ⭐ Star us on GitHub if you find this project useful! </p>