Matt Apperson (@mattapperson) 's Twitter Profile
Matt Apperson

@mattapperson

Software Engineer hyper focused on LLM's @FireworksAI_HQ | ex @zillow, @coinbase, and @elastic | husband & father | JW | 3D printing | ADHD

ID: 29468043

linkhttps://mattapperson.com calendar_today07-04-2009 15:17:17

29,29K Tweet

1,1K Followers

1,1K Following

Harj Taggar (@harjtaggar) 's Twitter Profile Photo

Optimizing AI agents requires writing down the valuable institutional knowledge in your company. Big co’s will struggle with this: middle managers worry about becoming replaceable and leaders worry about leaks. If they don’t do it, they’ll be crushed by competitors who do.

Marissa Goldberg (@mar15sa) 's Twitter Profile Photo

Harj Taggar Sam DeBrule Totally agree. I’ve spent the last decade helping teams go async-first and write down what most leave unsaid. It’s not flashy, but it’s a serious advantage now. The companies that already work this way will move faster than those still hoarding info in meetings and minds.

Clerk (@clerkdev) 's Twitter Profile Photo

Introducing Clerk Billing The easiest subscription billing for B2B and B2C SaaS. No webhooks, no UI to build, no payment integration code, no DIY authorization engine. Just enable Billing and drop a <PricingTable/> on your /pricing page!

Introducing Clerk Billing

The easiest subscription billing for B2B and B2C SaaS.

No webhooks, no UI to build, no payment integration code, no DIY authorization engine.

Just enable Billing and drop a &lt;PricingTable/&gt; on your /pricing page!
ElevenLabs Developers (@elevenlabsdevs) 's Twitter Profile Photo

Introducing the open-source Next.js Audio Starter Kit Add Text to Speech, Speech to Text, Sound Effects and Conversational AI to your product in minutes. Built with: • ElevenLabs SDK • Next.js + shadcn/ui • Tailwind CSS v4 Repo link in the comments below:

Malte Ubl (@cramforce) 's Twitter Profile Photo

This is based on `resumable-stream` which you can find on npm! A core feature is that while it uses Redis, the actual Redis usage is minimal unless you actually need to resume a stream (which should be rare in practice). It supports: - Clients resuming streams on network

This is based on `resumable-stream` which you can find on npm!
A core feature is that while it uses Redis, the actual Redis usage is minimal unless you actually need to resume a stream (which should be rare in practice).
It supports:
- Clients resuming streams on network
Fireworks AI (@fireworksai_hq) 's Twitter Profile Photo

AI agents have a scaling problem. (And we're finally fixing it) Over the last few years, we saw a pattern: → Developers can prototype AI workflows quickly. → But moving from prototype to production? Painful. Most frameworks demand deep AI expertise, heavy Python use, and

AI agents have a scaling problem.
(And we're finally fixing it)

Over the last few years, we saw a pattern:
 → Developers can prototype AI workflows quickly.
 → But moving from prototype to production? Painful.

Most frameworks demand deep AI expertise, heavy Python use, and
Matt Apperson (@mattapperson) 's Twitter Profile Photo

Something important to remember when architecting software using LLM dev tools that your team is only limited by the number of terminals you have open. Considerations around interface design and boundaries are now an issue even personal projects face if you want to move fast

Jay Rogers 👨‍💻 (@jaydrogers) 's Twitter Profile Photo

Oh my gosh! It's happening 😵 Here's me on macOS 26 Beta running containers *without Docker installed* 😱 NATIVE CONTAINER SUPPORT IN MACOS github.com/apple/container

Nikk Advolodkin 🇺🇦 (@nikolay_a00) 's Twitter Profile Photo

Problem: Your Playwright tests break every sprint because you're testing through the UI. Solution: I learned to test business logic through APIs first. UI tests are 10x slower and more brittle. Now I only use UI tests for actual user journeys that can't be validated via API.

Problem: Your Playwright tests break every sprint because you're testing through the UI.

Solution: I learned to test business logic through APIs first. UI tests are 10x slower and more brittle.

Now I only use UI tests for actual user journeys that can't be validated via API.
Hono (@honojs) 's Twitter Profile Photo

Hono v4.8.0 is out! * Reduced the code size: gzipped hono/tiny is 4.5KB! * New Route Helper * SSG supports Plugin * 3rd party middleware: * UA Blocker Middleware * MCP Middleware * Zod Validator supports Zod v4 * and more Enjoy! github.com/honojs/hono/re…

Auth0 (@auth0) 's Twitter Profile Photo

WOW! dina kozlov 🐀 from Cloudflare just wrapped a 🔥 session on building Model Context Protocol (MCP) servers. 💡 Best practices 🛠️ Real-world patterns 🤖 Agent-ready infra tips ✨ Plus… iconic MCP earrings. If you missed it, catch the replay — this one was gold.

WOW! <a href="/dinasaur_404/">dina kozlov 🐀</a> from <a href="/Cloudflare/">Cloudflare</a> just wrapped a 🔥 session on building Model Context Protocol (MCP) servers.

💡 Best practices
🛠️ Real-world patterns
🤖 Agent-ready infra tips

✨ Plus… iconic MCP earrings.

If you missed it, catch the replay — this one was gold.
Sam Bhagwat (@calcsam) 's Twitter Profile Photo

introducing mastra scorers evals still work but we learned a lot from watching how people used them users want to be able to do things like use evals on workflow steps businesses need custom evals tailored to KPIs so we shipped a bunch of improvements and are calling it

introducing mastra scorers

evals still work but we learned a lot from watching how people used them

users want to be able to do things like use evals on workflow steps

businesses need custom evals tailored to KPIs

so we shipped a bunch of improvements

and are calling it
OpenRouter (@openrouterai) 's Twitter Profile Photo

Excited to launch GPT-5 on OpenRouter! 🧠dynamic reasoning ("think hard about this!") 🧑‍💻 much better frontend design and debugging 🏥 OpenAI's best model for health-related questions Details 👇