I built Paper Finder , a free tool that searches arXiv, Semantic Scholar, and Crossref at once, then re-ranks the results by semantic relevance. The ranking uses a small AI model that runs entirely in the browser, so there are no API costs or accounts. But it introduced a nasty bug: typing in t...
Source: [Dev.to](https://dev.to/emmanueladu/paper-finder-a-free-ai-powered-research-tool-and-the-7-second-freeze-i-had-to-debug-a2l)