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jcjmcclean

23 karma · joined October 18, 2012

CTO and frontend developer. Dad, roller skater, bad DJ.

Building KISS cat - tools for small teams building with AI agents: https://kiss.cat

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jcjmcclean··on Ask HN: What does your AI workflow look like?
I've built quite a few PoCs with Claude over the past few months. Sometimes I start with a mock-up/prototype, which I've written a skill for. On an existing project it looks at the styles and structure and builds a mock-up as separate HTML/CSS that runs as its own prototype but looks like it's part of the product. I often ask for three different options and then iterate until something feels right.

If I don't know what the project is yet, I ask Claude to put together open questions and I answer them one at a time to give it shape. That can take a couple of rounds until I feel like the direction is clear.

I've been building a suite of products to help manage this flow better because it feels like such a common pain point at the moment.

jcjmcclean··on Open Annihilation – Spent the GDP of a Small Nation Remaking a Classic 90s Game
Wow, that's commitment. You must really love this game!

I didn't realise quite how expensive tokens were until last week. I got $250 of Claude tokens for free and burnt through them in less than a couple of hours with just one session.

jcjmcclean··on Ask HN: How would you market this service?
Love this idea, thanks for sharing. I'll give it a try when I launch my next project!
jcjmcclean··on Show HN: Rejourney – Open-source revenue leak prediction for web and mobile apps
This looks really interesting. I've used LogRocket a lot across a number of businesses with varying volume, mainly to try to uncover these kinds of issues. I know they have an AI layer now but I'd love to try this as an AI native alternative which gets straight to the problem solving. It could save hours of manually watching playback and a lot of effort coming up with potential problems/solutions etc.
jcjmcclean··on Railway: Peace
That must have been a fun video and webpage to make! Especially the shrimp slider!
jcjmcclean··on Show HN: DepsGuard – One command to harden NPM/pnpm/yarn/bun/uv configs
I love this! Although I've already gone through and made manual updates, I'll still give this a try. It's worth it even just to verify that I haven't missed anything. Thanks for sharing.
jcjmcclean··on OpenAI Is Preparing to File for an IPO in the Coming Days or Weeks
I'll be fascinated to see the financial details that could be made public from this.
jcjmcclean··on Show HN: DevSwarm 2.0, fix parallel Claude Code sprawl
Very cool. I'll definitely give this a try. I'd say code review is the most important part of a tool like this for me. How does it compare to Conductor?
jcjmcclean··on Show HN: Yolobox – Run AI coding agents with full sudo without nuking home dir
I was talking to ChatGPT about the best way to achieve this a few days ago. Thanks for getting something running and sharing it!

I'll give this a try tomorrow, should be fun.

jcjmcclean··on My Truck Desk
I think there may be an issue with your link, it's just taking me to the thrift books home page.

I also really enjoyed the writing style.

jcjmcclean··on How hurricane hunters flew into the eye of Melissa
Brilliant interactive article. I was tracking the aircraft for a while on FlightRadar24.
jcjmcclean··on Show HN: Cadence – A guitar theory app
Just tried this out and I’m loving it, especially the UI/UX. The welcome screen animations are great, they make the onboarding feel smooth and polished. I love that the navigation icons show labels when active, so you always know where you are.

The built-in tutorial on the Learn screen is a really nice touch, and the Library is genuinely useful (I’ll definitely be using it for scales and arpeggios).

Also, the Go Premium page is clean and the pricing feels refreshingly fair. Awesome stuff!

Two quick questions too:

– What did you use to build it? The UI/UX feels super slick, it’s fast and smooth on Android.

– What were your biggest hurdles during the build? Not just technically, but overall. For example, was it tricky learning enough music theory to validate the content, or was getting it live on the app stores as a solo dev the harder part?

jcjmcclean··on Claude Code on the web
I also use voice mode a lot, I find it's really useful for talking to while you're shaping an idea or an approach, then asking it to summarise the decisions you've made. Essentially rubber ducking.
jcjmcclean··on Weekend projects: Chicken Squisher 3000
Really enjoyed this write up, good level of detail. Also what an excellent product name!
jcjmcclean··on Show HN: Trayce – Burp Suite for developers
Very cool that it doesn't need a proxy. That's like magic! Can't wait to try it out on something.
jcjmcclean··on Lessons from my journey to become the founder I wish I'd met earlier
Thanks for sharing, I enjoyed the article. Nice writing style.

I found myself wishing to read more about your story of running over the bridge!

jcjmcclean··on A new agentic IDE by AWS
Is it just me, or does the pricing link in the footer not go anywhere?

I kinda of like the approach they're going for here but I'm also really loving Claude Code right now. I feel like I need to see something pretty special if it's going to convince me to switch.

jcjmcclean··on UK bans fake reviews and sneaky fees
Completely agree with you on Argos. Even better, you can go there when it's open and often you can collect straight away.
jcjmcclean··on Ask HN: What are you working on? (March 2025)
Thanks! I'll pop you a DM on here when I've got it up on the app stores.
jcjmcclean··on Ask HN: What are you working on? (March 2025)
I will, thanks for the interest!
jcjmcclean··on Ask HN: What are you working on? (March 2025)
Awesome! If you don't mind, I'll drop you a DM when I've got a beta version ready.
jcjmcclean··on Ask HN: What are you working on? (March 2025)
I'm working on Cali Challenge. A calisthenics workout app with a daily challenge that gradually increases in difficulty. It guides you through the different progression levels of core calisthenics moves like push-ups, pull-ups, and dips.
jcjmcclean··on Show HN: A difficult game to test your logic
Really enjoyed that! I was surprised by how fun it was considering how simple it seems. Definitely would love it to last longer.
jcjmcclean··on Retro Boy: simple Game Boy emulator written in Rust, can be played on the web
Hi there! I'm running the exact same setup and have encountered the same issues.

I have a little bash script [1] which I run on startup to fix the HDMI audio issue. I haven't got crontab working yet so I ssh in and run it manually.

I've tried 3 different controllers and ended up buying the 8bitDo ultimate as it supports 2.4g as well as Bluetooth. Also purchased a separate Bluetooth dongle and a usb extension cable to keep it away from any interference from the Beelink. Still have major issues with connectivity over a reasonably short distance (3-4m) in either mode.

Love the SER8 though, it's a great little machine and is well priced when on offer.

[1] https://gist.github.com/jcjmcclean/a59362a01a7f421e4fa020823...

jcjmcclean··on BetterDisplay: Extra Configuration Options for macOS
I tried this out last week to add a virtual screen with Virtual Desktop on my Quest 3 (and MacBook Pro).

Really impressed with all of the configuration options which are available and how powerful and performant it is.

I've not had a chance to try it out for any other use cases yet. Not sure if I'll be sticking with Virtual Desktop either, also testing Immersed and Meta's own Workspaces app which both natively support virtual screens.

jcjmcclean··on Lean, Budget-Friendly Metered Billing for SaaS – What Do You Use?
That looks pretty promising, thanks!
jcjmcclean··on Ask HN: What are your experiences with scaling a company?
Thank you for this!

Do you think multi-country adds so much complexity that you shouldn't explore it too early?

E.g. What if you have an incredible opportunity in another geo? Should you put it on ice? How long for?

jcjmcclean··on Are Group Opportunities a Thing in Tech Hiring?
I'm in a similar position to you. Group of friends which has formed from working across multiple companies over the years.

I asked a few recruiters this question and was really disappointed that none of them were interested in placing a group (even just 2 developers) together.

The only way we had any success was by talking with early-ish stage startups who were looking to build engineering teams. A friend and I spoke with a couple of founders who wanted to hire us both. Unfortunately one didn't have enough cash and the other opportunity was less exciting to us, so it didn't go anywhere.

We've since ended up working on a project together for a very early stage startup, compensated with equity as well as salary. We still have our day jobs though, it's an evenings and weekends thing for now.

jcjmcclean··on Small offline large language model – TinyChatEngine from MIT
May I ask what your use case is? I've found LLMs are pretty good at parsing unstructured data into JSON, with minimal hallucinations.
jcjmcclean··on Launch HN: Highlight.io (YC W23) – Open-source, full stack web app monitoring
Hiya! I'm a long term logrocket user (around 9 years now). I've been looking at alternatives as the cost is so high for us as a startup (~300k sessions per month). Highlight looks great! I have a few questions:

1. Do you or are you looking to add redux recording? This is a must for us.

2. Why are session replay costs so high? Is there a lot of data stored? Nobody seems to have a cost effective solution once you get to high volumes.

3. I'd happily self-host to take the hit on the storage/database costs internally but $3k per month is unworkable for us. Is there a way around this (I can see how this would potentially break your business model)? 4. Do you have any plans to offer discounts for startups?

Thanks!

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