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Viewing profile — kimhjo

kimhjo

HN member
Joined
Fri, Apr 17, 2026, 5:52 AM UTC
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6
Public activity
6 items

About kimhjo

CS student building systems software and AI tools. Currently working on database engines in C and AI-powered web apps.

Recent public activity

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    Comment #47846405

    Judgment and domain expertise. AI can write the code, but it can't tell you what's worth building or why the architecture will hurt you in two years.

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    Comment #47846391

    PlanetScale had the same issue before they killed their free tier entirely. The problem is these companies need a middle tier that's profitable, and $5-10/mo often isn't worth the …

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    Comment #47803142

    The WAL mode fix for concurrent MCP clients is clever. One thing I'm curious about — how are you handling memory relevance decay? If I stored context about a project six months ago…

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    Comment #47803140

    The single-file backend is a nice constraint to work within. Curious how you're handling conversation history at scale though — storing it per-user in-memory works fine for a demo,…

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