Harmonic, a startup discovery engine, uses LangGraph and LangSmith to track company formation and growth while providing valuable insights and workflow tools to venture capitalists. The implementation of LangChain's technologies has significantly improved Harmonic's search and research capabilities, enabling users to discover startups based on various criteria and reducing the time it takes for them to find their best-fit targets. With automatic market maps, research reports, and conversational interactions, VCs can now leverage Harmonic to pick and win the best deals in addition to sourcing. The technologies have also enabled Harmonic to add new capabilities, increasing the leverage they bring users throughout the investing funnel by offering instant market-maps and the ability to conduct research that combines Harmonic’s unique data with synthesized insights from the public web, the user's CRM data, and network.