AINewsnow

NestJS + LangChain: Build an AI Agent in 5 Minutes

This story is from 2026-10-13. It is preserved in the archive; the latest stories are on the live feed.

To add an AI agent to a NestJS app, register it as a module with nestjs-langchain, inject it like any provider, and call run(). This tutorial goes from nest new to a working POST /ask endpoint in about 30 lines of TypeScript. Tested with NestJS 12, LangChain 1.x, nestjs-langchain 2.0 and Node 22.12…

Read the full story at DEV Community — AI ↗

Timeline · 1 report

  1. 2026-10-13 14:49 · DEV Community — AI
    NestJS + LangChain: Build an AI Agent in 5 Minutes

More stories

  1. Gemini 4 Argon comes to the Gemini app. — Google Gemini Blog
  2. Apple refreshes the Apple TV 4K for Siri AI — Engadget
  3. Introducing Muse Wonder and Muse Wonder Full: Frontier Models for Agents — Meta Newsroom
  4. Anthropic warns AI models could soon copy themselves across home devices — CNBC Technology
  5. NVIDIA Run:ai Is Now Open Source as Part of NVIDIA DSX AI Factory Platform — NVIDIA Technical Blog
  6. AWS details deploying decision models with llama.cpp on SageMaker AI — AWS Machine Learning Blog
  7. Character.AI files for bankruptcy — The Verge AI
  8. Natural language security queries at Orca Security using Amazon Bedrock — AWS Machine Learning Blog

Get the daily brief of stories like this at 6:30 every morning →