Show HN: Open-source Perplexity clone one file back end, streaming answers

Category: ai-ml

Tags: ai-agent, web-search, llm, nextjs, open-source

Score: 5.5/10 (Innovation: 5, Technical: 4, Documentation: 7, Utility: 6)

An open-source, single-file backend for an AI research agent that searches the web, synthesizes answers with citations, and maintains conversation history. It's interesting because it demonstrates how to build a Perplexity-like experience by abstracting complex infrastructure (runtime, database, search) into a single OnCell API call.

Target audience: backend devs, ai engineers

Repository: https://github.com/oncellai/oncell-research · TypeScript · 1 stars

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