AI spelling and grammar checker for docs
AI spelling and grammar checker for docs
Hey HN! Spellcaster is a Python-based CLI tool for running spelling and grammar checks across documentation files. LLMs are great proofreaders, and while rule-based spellcheckers exist, we noticed there wasn’t a good CLI tool that leveraged AI agents. So we built one! Spellcaster came together over a weekend at the Mintlify AI DevTools hackathon in San Francisco[0], where it won the Best Demo Award. We ran Spellcaster against several large open source projects and identified hundreds of readability issues in their docs. Some popular ones: * Cursor: 116 errors * Mintlify 245 * Vercel: 1053 (My favorite was Vercel spelling "Lorem ipsum" wrong in one of their pages). Spellcaster uses LiteLLM for easy model swapping and AgentOps for cost and error tracking. [0] https://x.com/AlexReibman/status/1834524984183767276
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