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Vishnu Dileesh
Engineer | Entrepren... • 2d
I’ve been writing three essays a day on my site. Somewhere between caffeine and curiosity, I thought: why not make it a public second brain? A graph of ideas, where each essay connects to the others. So I did what every indie hacker does at least once: I vibe coded. I handed the OpenAI API key to Claude Code and let it run. Thirty minutes in, I realized what it was doing. For every essay, it was pairing with every other essay. Calling OpenAI. Figuring out connections. Which meant—at my pace—every build would trigger over 1,500 API calls. Three times a day. That’s 4,500 calls. Per day. Let’s not even talk about what that would do to my Vercel builds. Or my wallet. Here’s where engineering saved me. I knew embeddings. I knew vector databases. So I stopped vibing and started driving. Now, the system looks different. One API call per build. Essays go in, concepts get extracted, embeddings pushed to Pinecone. Connections get made. All written down into one file: graph.json. Next.js just reads that file and renders the graph. Simple. Clean. Efficient. Sure, right now it’s a manual script. But I can wire it into a cloud function tomorrow. Contentful has webhooks —publish an essay, trigger the pipeline, update the graph. Done. That’s not 1,500 calls. Not 4,500 calls. It’s one. And if I want? A cron job at midnight. Zero stress. One clean update. The difference between vibe coding and engineering isn’t complexity. It’s cost. It’s scale. It’s knowing where the trapdoors are before you fall through them. Sometimes shipping fast is about slowing down just enough to see the system. That’s what saved me.
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