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serafim

@serafimcloud • 10,899 subscribers

@21st_dev (YC W26)

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Overengineered the hell out of project selection. Absolutely useless for a startup. Zero regrets. I love it.

Overengineered the hell out of project selection. Absolutely useless for a startup. Zero regrets. I love it.

17,006 views

Videos

Anya Rossi

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What if your Claude Code client worked beautifully on mobile? Same calm UI. Multiple branches. Live previews. And the ability to keep working without your laptop. Free to use with your own Claude subscription Reply if you want early access

What if your Claude Code client worked beautifully on mobile? Same calm UI. Multiple branches. Live previews. And the ability to keep working without your laptop. Free to use with your own Claude subscription Reply if you want early access

50,009 views • 7 months ago

We're launching 21st Agents in beta. It's the infrastructure layer for Claude Agent SDK - runtime, sandboxing, billing, UI, streaming - so you can ship agents to production without building infra from scratch. Think Vercel for Claude Agent SDK. Full walkthrough in the video below 👇

We're launching 21st Agents in beta. It's the infrastructure layer for Claude Agent SDK - runtime, sandboxing, billing, UI, streaming - so you can ship agents to production without building infra from scratch. Think Vercel for Claude Agent SDK. Full walkthrough in the video below 👇

22,494 views • 4 months ago

🚨 Introducing Magic 2.0 Alpha by 21st[.]dev 🚨 Now available on Web 🧙‍♂️ ✨ Generate 10 unique components 💬 Iterate & refine in chat 🔁 Copy the perfect prompt & use it in bolt.new The fastest way to go from idea → reusable UI Join waitlist below

🚨 Introducing Magic 2.0 Alpha by 21st[.]dev 🚨 Now available on Web 🧙‍♂️ ✨ Generate 10 unique components 💬 Iterate & refine in chat 🔁 Copy the perfect prompt & use it in bolt.new The fastest way to go from idea → reusable UI Join waitlist below

48,634 views • 1 year ago

Magic MCP is now live! After 2 weeks in beta with 4k testers, Magic MCP is now publicly available 🔹 Customize default shadcn components effortlessly 🔹 Get inspired by the huge 21st[.]dev library & share 50% revenue with creators 🔹 Find SVG logos instantly Link below ↴

Magic MCP is now live! After 2 weeks in beta with 4k testers, Magic MCP is now publicly available 🔹 Customize default shadcn components effortlessly 🔹 Get inspired by the huge 21st[.]dev library & share 50% revenue with creators 🔹 Find SVG logos instantly Link below ↴

serafim | 21st.dev

45,514 views • 1 year ago

We had no idea when engineers from OpenAI or Stripe signed up. So we built a lead research agent. Claude Code + Exa researches each signup by email and pings Slack when someone interesting appears. Template on 21st 👇

We had no idea when engineers from OpenAI or Stripe signed up. So we built a lead research agent. Claude Code + Exa researches each signup by email and pings Slack when someone interesting appears. Template on 21st 👇

12,076 views • 3 months ago

I built the first Claude Code client that works fully offline using local models via ollama Open source. Link below.

I built the first Claude Code client that works fully offline using local models via ollama Open source. Link below.

15,176 views • 6 months ago

Meet Phion - the coolest way to vibecode in Cursor, making it feel like a no-code tool. It's so simple and fun! Available today!

Meet Phion - the coolest way to vibecode in Cursor, making it feel like a no-code tool. It's so simple and fun! Available today!

16,167 views • 1 year ago

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