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Posts by Mark Janzer

Things I've built:
🧠 llm-sr (llm-sr.com) —Spaced repetition managed by your LLM of choice
♟️ Chess Ascent (chessascent.com) —Spaced repetition for chess puzzles
🎮 LOL Pro Elo (lolproelo.com) —Elo rankings for pro League of Legends teams
🎹 LIK (likybd.com) —An isomorphic keyboard I built and play

3 weeks ago 1 0 0 0
Preview
LLM-SR - Flashcards Managed by Your LLM Create and review flashcards with AI assistance. LLM-SR uses the FSRS algorithm for optimal spaced repetition scheduling.

I kept forgetting things I learned, so I built something about it.

LLM-SR lets you ask your LLM to create flashcards from whatever you're learning together. It uses spaced repetition so you review at exactly the right time—less work for better memory.

It's free, check it out: www.llm-sr.com

3 weeks ago 1 0 0 0

It's probably best to start by asking AI for a few simple programming challenges to learn the basic syntax/execution flow. Probably best to start here before hopping into building.

Let me know if you have any questions, I like teaching and coding 😀

4 weeks ago 2 0 1 0

Build something fun and useless!

You can vibe code, but read the code that is being written. When there is something you don't understand ask the LLM to explain.

Verify your understanding by explaining concepts to the LLM and having it correct you.

4 weeks ago 1 0 2 0

bsky.app/profile/d4m1...

Looks like they're trying to squeeze more from fewer users 🙃

4 weeks ago 2 0 0 0

So I can prevent IG from having access to all my photos right now, but OS-level verification means IG would get everything? This seems scary if true, but also preventable if we can use a similar permissions structure

4 weeks ago 0 1 0 0

Nano banana might be able to make a gif or video for you that you can loop, but I'm not sure if that's what you're looking for.

Lottie looks cool, I've never heard of it before! And I'll keep my eyes out for new animation tools. When you have it working I'd love to check it out!

4 weeks ago 0 0 1 0

We should be able to do zero-knowledge proofs like Europe and it'd be easiest to enforce this at the OS-level. App level verification would open us up to every app having our ID 🫣

Is the alternative no age verification at all? Or kicking the can down the road until we have reasonable legislation?

4 weeks ago 0 0 0 0
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sunlight

4 weeks ago 0 0 0 0

I'm no fan of Meta and I hate that our politicians can be bought. That being said, isn't OS-level verification the least bad option from a data security standpoint? Every app collecting ID docs is a nightmare.

4 weeks ago 4 0 2 0

Usually a good sign 😂

Did the reasons for doing it change, or was it just not worth the amount of effort it would take?

4 weeks ago 1 1 1 0

Do you use any special tools to debug/iterate with LLMs? I often send images of designs to Claude Code, which works well, but it can't see videos/animations.

Luckily nothing I have done has been too complicated for Claude to understand/improve.

4 weeks ago 1 1 1 0

This looks cool! What software did you use to create the video? Best of luck on Reddit!

1 month ago 2 0 1 0

There's something really wrong with the social circles of rich people.

When so many powerful people confidently espouse ideas that are just wrong, it's a sign that honest pushback has been filtered out entirely. It seems less like a few bad apples and more like a structural problem.

1 month ago 0 1 0 0

I think this is less about vibe coding and more about payments ecosystem and pricing. Gumroad did a massive price hike in 2023 which leads to predictable decline. Also their ease-of-use moat shrank with Stripe Payment Links/Checkout + LemonSqueezy.

Though vibe coding isn't going to help the moat 😅

1 month ago 1 0 0 0
You’re A Terrible Game Designer I have been struggling to get myself to play the piano recently. With some experience and a degree in music education, you think it would be easier. The piece that I want to play is a ridiculous rendi...

Your habits aren't failing because you lack discipline. They're failing because you're a bad game designer.

New post: markjanzer.com/2026/03/06/y...

1 month ago 1 0 0 0

Do you find yourself using orchestration in your own projects? I have yet to make the jump from running multiple agents in parallel (on separate tasks) to orchestrated workflows. Perhaps I don't trust it enough write large systems that would be maintainable.

1 month ago 1 0 1 0

Oh wow I've never heard of that! Seems very wise, thanks for sharing!

1 month ago 0 0 0 0
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Don’t change your life over a burrito I was in the shower one morning and I thought, “I’ve got to negotiate a 30 hour workweek with my job”, and I felt a familiar knot of dissatisfaction. It was not a new thought, nor a new feeling. I had...

Wrote a blog post about how your body manufactures fake existential crises. It's called 'Don't change your life over a burrito.' markjanzer.com/2026/02/19/d...

1 month ago 3 0 1 0