Local WebGPU Agent Lab with Transformers.js
An interactive 2.6 billion parameter agent that runs in the browser with Transformers.js, WebGPU, and a small sandbox of browser tools.
MattCool.tech
Community, Education, Culture, and the Web
Latest posts
Upgrading This Site to Astro 7
What changed in this site's move from Astro 3 to Astro 7, and what I expect it to improve.
This Page Will Convert You
A satirical landing page hides a gnome-run conversion factory underneath its polished interface, built with Astro, GSAP, and webflow for a CodeTV hackathon.
Cursor Fluid
A WebGL fluid experiment that turns cursor movement, clicks, and loops into temporary neon color.
Cursor Ivy
A small experiment that grows temporary ivy and trees from cursor gestures.
Advanced Discord Tactics
Discord is a powerful tool for community building and collaboration. Here are some advanced tactics to consider for your own use.
How I'm Using Codex In My Workflow At NVIDIA right now
Notes on the most useful ways I am using Codex in my current workflow.
Introducing the Mandarin Blog Toggle
A small feature for switching select posts into Mandarin.
World Labs Web Based Language Sim
A web-based language simulator prototype built with World Labs, Spark.js, and Gemini to practice real spoken tasks in a Taiwanese boba shop.
Transformers.js In Web Games
Monterey Bay Tech OtterBot: Local AI Agent for the Community
Building a local AI agent for the Monterey Bay Tech Meetup Discord community
Goodbye Meetup.com: Migrating to Discord + Website and Other Alternative Platforms
I migrated my community group off of Meetup.com and built a new website for it using Discord as a CMS.
GTC Pre Game: The Web Game
Built a game to get familiar with GTC San Jose 2026
Magic Snow Wand: Hand Tracking Snow Game
Use your hand as a magic wand to create falling snow! Wave fast for a blizzard, move gently for light flurries. Powered by MediaPipe hand tracking and Three.js.
Three Years Of Gen AI Family Christmas Cards
Three years of creating goofy family Christmas e-cards with consumer generative AI tools.
Making A Great Readme
Writing an effective readme is one of the best low-lift things you can do to support the growth and health of your open source project. Here is a guide to doing that!
Hands Free Chinese Flashcard Maker
a small demo using NVIDIA's NIM service to help me study Chinese
Amazing Web Portfolios
Prepare to be blown away by how good these web portfolios are
Building a Web Aquarium Part Three
August 2025 granted me the opportunity to revisit my web aquarium project with a three.js hackathon.
Cute Firefox Image Gallery
Open source designs from Firefox
My Favorite Firefox Features
Here are some of my favorite extensions and features in Firefox.
Hands Free Chinese
built a web app that lets you study Chinese without taps or swipes
ISP Solicitors
Internet service duopolies going door to door? Maybe scammers, maybe contractors... either way I'm sure executives from these companies are not being disturbed by anyone.
Server Review: Sleep Token
Exploring the Sleep Token Discord Server
Home Assistant Local Voice on a Mac Mini Part 1
My first attempts at setting up Home Assistant and Ollama for private, voice assistants
CSUMB Student Capstones 2025
Students at CSU Monterey Bay, supported by Mozilla mentors, delivered impressive capstone projects exploring cutting-edge topics like local AI, private machine learning, and open web technologies.
Cozy Games I Love
List of some excellent chill games to try
Testing Text-to-Audio with Firefox's Experimental Web Extensions API
Running ONNX models directly in the browser, converting text to speech through a sophisticated transformer-based neural network architecture
Parental Leave 2025
Welcoming a new baby to the family
Mattbcool X Account Compromised: That is not Me
the Twitter/X account mattbcool is no longer owned by me
Essential Tips for Discord Stage Events
Key tips to share with teams hosting events in Discord
List of Event Hosting Sites
My notes on event hosting sites to try
Naming Community for Brands
community naming when working with brands that stewart them
IndieWeb Is Cool
IndieWeb is a community of web creators who build and share their own websites.
Discord Gems in Emergent Tech
Is Discord a good place for emergent tech? Links to tech communities you can find there.
Spatial Raspberry Pi Stats
Github Universe 2024: Open Source Fundraising Notes
I went to github universe 2024
List of Community Podcasts
A list of Community Podcasts that you can check out
Running Llamafile on RP5
experiment running Llamafile on Raspberry Pi 5
Cards Prototyping buildspace s5
first passes at prototyping card interactions for buildspace s5 nights and weekends
Member Organized Events in Discord
How can you make the most out of your server's built in events calendar and empower members to get together in a scalable way?
Community Programming Mini Case Study: Build Space
Learning through a participants eyes to step up my community programming game with build space.
Build Space S5 Nights and Weekends
decided to challenge myself to create more in my free time
Building a Web Aquarium Part Two
Managing Discord Events
Quick walk through for managing events in Discord
Escaping the App Store with Progressive Web Apps
App stores deliver a ton of value to developers but there are many circumstances where they fail to serve the needs of people and technologist. Progressive Web Apps can help!
Wordcamp Asia 2024
Notes on my experience at Wordcamp Asia 2024
Lessons for Hubs from Wordpress
After attending Wordpress Asia 2024, I look at some takeaways that can help Hubs
Looking Back on My Work with Hubs
Reflections on contributions to the Hubs project and my work with Hubs
Making Snippets in VSCode
Why did I wait so long to automate a lot of the things I commonly do in my blog? I don't know. Hopefully this quick post will help some people not make the same mistake.