Viewing profile — jcalloway_dev
jcalloway_dev
HN member- Joined
- Tue, Feb 24, 2026, 2:29 PM UTC
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About jcalloway_dev
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Recent public activity
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Comment #47160364
A/B testing is great, but early stages have to trust your gut/experience on it until you can get some more feedback through the testing. For distribution: r/iOSProgramming and r/in…
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Comment #47160308
The hash chain approach is exactly right — even a simple append-and-sign pattern would catch post-hoc tampering without much overhead. Worth looking at how Sigstore handles this fo…
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Comment #47147851
Really cool project — the "no backend, no build step" constraint is genuinely hard to pull off well and you did it. Couple things I'm curious about: How does performance hold up wh…
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Comment #47147284
This is exactly the kind of scratch-your-own-itch story that produces genuinely useful tools. The fact that you ruled out Excel because the barrier was too high is actually a reall…
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Comment #47146444
Good instinct to ask before building — you're already doing the thing you're selling. On your questions: 1. Figma clickthroughs + a Loom walkthrough sent to 10-15 target users. Mes…
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Comment #47146393
Great experiment. The "implied context" problem is real and it kills projects. One thing I'd push back on slightly: the 5 vs 127 framing makes this feel like a volume win for AI, b…
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Comment #47146356
This is a real problem — I blew past $300 in a week before I even noticed. The lack of visibility is genuinely alarming when you're letting an agent run autonomously. Few questions…
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Comment #47144008
The MCP angle is genuinely clever — turning metadata management into something Claude can batch-process across locales is a real time unlock. Curious how you're handling the prompt…
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Comment #47143946
Really cool project. The self-development pipeline demo is what sold me — that's not just a toy, that's a proof of a real workflow pattern. Few things I'm genuinely curious about: …
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Comment #47143871
Really like the clarity of the problem here — "I skipped runs because I had nobody to go with" is a sentence that sells itself. One thing I'd watch closely in beta: the cold start …