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Sep 23, 2025 · Artificial Intelligence

How Front‑End Developers Can Build Powerful AI Agents with LangChain.js

This article guides front‑end developers through the evolution of AI agents—from early chatbots to modern multimodal agents—covering LLM fundamentals, prompt engineering, LangChain.js workflow creation, Retrieval‑Augmented Generation, model context protocols, and future multi‑agent technologies.