AI app stacks
AI agent app stack: 6 pieces, 1 weekend
An AI agent app is six moving parts: a Next.js shell, a model SDK, a tool-calling layer, a durable job runner for long tasks, a vector store for memory, and a streaming UI. Wire those and you can ship something genuinely useful in a weekend. The hard part isn't the model — it's the plumbing around it that keeps a slow, flaky call from taking your whole app down. Here's the stack and the four traps that eat the most time.
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