Professionals waste hours searching through disorganized local files. A tool that understands natural language queries and context could surface exactly what they need.
Build a desktop app that indexes files and uses a local LLM for semantic search. It should work offline and respect privacy.
Freelancers, researchers, and legal teams would pay for faster access to their knowledge base. Offer tiered pricing based on indexing volume.
Start with a simple CLI that searches markdown and PDFs, then expand to UIs and formats.
The risk is existing tools (Everything, Spotlight) adding AI features before you gain traction.