Matt Rossman
@mattrossman.com
AI Tooling @supabase.com
Writing: mattrossman.com
I build web applications with emerging tech.
Geeked about @effect-ts.bsky.social
Writing: mattrossman.com
I build web applications with emerging tech.
Geeked about @effect-ts.bsky.social
Supabase laptop looking fresh
September 11, 2025 at 9:29 PM
Supabase laptop looking fresh
Delighted to share that I’ve joined @supabase.com to work on AI tools!
Open source has taught me so much, so it’s a privilege to now contribute full-time in this space. Excited to help make this excellent developer platform even better!
Open source has taught me so much, so it’s a privilege to now contribute full-time in this space. Excited to help make this excellent developer platform even better!
August 13, 2025 at 10:10 PM
Delighted to share that I’ve joined @supabase.com to work on AI tools!
Open source has taught me so much, so it’s a privilege to now contribute full-time in this space. Excited to help make this excellent developer platform even better!
Open source has taught me so much, so it’s a privilege to now contribute full-time in this space. Excited to help make this excellent developer platform even better!
Updated my project template dashboard new.mattrossman.com to a more space-efficient masonry layout with the help of `astro-masonry`
June 25, 2025 at 3:23 PM
Updated my project template dashboard new.mattrossman.com to a more space-efficient masonry layout with the help of `astro-masonry`
The @vercel.com MCP adapter works with @val.town HTTP triggers (for streamable HTTP at least) meaning you can write and deploy MCP servers with TypeScript instantly, right in your browser!
June 14, 2025 at 12:53 AM
The @vercel.com MCP adapter works with @val.town HTTP triggers (for streamable HTTP at least) meaning you can write and deploy MCP servers with TypeScript instantly, right in your browser!
When testing @pipecat.bsky.social examples with their prebuilt UI, you can manually submit user messages (or trigger other behavior of your choice) through the browser console via app messages by including a handler like this.
!["""
Usage in browser console:
webRTCApp.smallWebRTCTransport.sendMessage({
type: "user_content",
content: "What's the weather in SF?"
})
"""
@transport.event_handler("on_app_message")
async def on_app_message(transport, message: dict):
match message:
case {"type": "user_content", "content": content}:
await task.queue_frames(
[
LLMMessagesAppendFrame([{"role": "user", "content": content}]),
context_aggregator.user().get_context_frame(),
]
)](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:3hw5r376cu7qx25ng5rozuyu/bafkreidfrccp2cyu4peh7akveeqhfy4v6jcmod7vob6ucr6ktac22lv45q@jpeg)
June 11, 2025 at 4:09 PM
When testing @pipecat.bsky.social examples with their prebuilt UI, you can manually submit user messages (or trigger other behavior of your choice) through the browser console via app messages by including a handler like this.
Heads up I tried using this today, I think there's an issue with the way the types are published.
arethetypeswrong.github.io?p=bluesky-oa...
arethetypeswrong.github.io?p=bluesky-oa...
March 11, 2025 at 10:38 PM
Heads up I tried using this today, I think there's an issue with the way the types are published.
arethetypeswrong.github.io?p=bluesky-oa...
arethetypeswrong.github.io?p=bluesky-oa...
I love how easy it is to add observability to Effect programs. To avoid overloading my computer I split the data into batches to embed/upload, Effect made it easy to compose this behavior and monitor each step.
March 2, 2025 at 3:32 PM
I love how easy it is to add observability to Effect programs. To avoid overloading my computer I split the data into batches to embed/upload, Effect made it easy to compose this behavior and monitor each step.
Practicing Effect by embedding the Effect API reference
March 2, 2025 at 3:32 PM
Practicing Effect by embedding the Effect API reference
A few years ago I published an interactive visual explanation of MVP matrix transformations in #threejs vertex shaders. The original CodeSandbox project broke, so I moved it to a more stable home on GitHub Pages.
mattrossman.github.io/mvp-visually...
mattrossman.github.io/mvp-visually...
January 23, 2025 at 3:12 AM
A few years ago I published an interactive visual explanation of MVP matrix transformations in #threejs vertex shaders. The original CodeSandbox project broke, so I moved it to a more stable home on GitHub Pages.
mattrossman.github.io/mvp-visually...
mattrossman.github.io/mvp-visually...
January 10, 2025 at 3:27 AM