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Custom LangChain Agent in JavaScript

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  • Delivery Time 1-3 Days
  • Response Time 2 Days
  • English Level Fluent

Description

Tired of rigid chatbots that break with every tweak?
This plug-and-play AI automation is your no-code Swiss Army knife โ€” powered by LangChain, OpenAI, and custom JavaScript tools.

๐Ÿ” How It Works

๐Ÿงฉ Custom LLM Chain โ€“ A self-coded LangChain node runs tailored prompts with OpenAI for deep, structured outputs
๐Ÿง  AI Agent Node โ€“ Dynamically routes queries through tools like Wikipedia using JavaScript-based tool functions
๐Ÿ“ฅ Manual Set Inputs โ€“ Use Set nodes to simulate real inputs for live testing and debugging
โšก Custom JS Tools โ€“ Extend the agent with fetch() and LangChain-compatible JavaScript code โ€” no servers needed
๐Ÿ“š Plug & Play Architecture โ€“ Easily swap tools, models, memory modules, or APIs with LangChainโ€™s abstraction

๐Ÿ’ผ Why Use This Flow?

โœ… Modular AI Workflows โ€“ No more hardcoded scripts โ€” swap prompts, tools, and inputs freely
๐Ÿง  LangChain-Powered Agents โ€“ Use chain-of-thought reasoning, memory, and multi-tool routing
๐Ÿ’ป Custom JavaScript Tools โ€“ Build and extend AI functions right inside your automation platform
๐Ÿš€ Live Testing Friendly โ€“ Instantly simulate queries and debug tool outputs in real-time
๐Ÿ” Reusable Architecture โ€“ Embed in any workflow (n8n, Make, LangChain Studio, etc.)

๐Ÿ‘ฅ Perfect For

โœ”๏ธ Developers building flexible LLM apps
โœ”๏ธ LangChain explorers testing toolchains
โœ”๏ธ n8n power users crafting advanced agents
โœ”๏ธ AI engineers prototyping agent logic
โœ”๏ธ Hackathon builders & MVP creators

๐Ÿ› ๏ธ Tech Stack

๐Ÿ”— LangChain โ€“ Agent orchestration + tool abstraction
๐Ÿง  OpenAI Chat Models โ€“ Reasoning & response generation
๐Ÿ’ป JavaScript โ€“ Fully custom tools with browser-safe fetch()
โš™๏ธ n8n / LangChain Studio โ€“ No-code orchestration and control

Want more?
โœ… A version formatted for your portfolio
โœ… A Notion card or LinkedIn post layout
โœ… An upgraded version using Google Gemini, Claude, or external APIs

Project Link -ย https://preview--peach-olive-agent.lovable.app/

About The Seller

Isha

I Build AI Agents That Do Your Work for You โ€“ So You Donโ€™t Have To.

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  • Location:

    India
  • Member since:

    July 15, 2025
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Ref #: EX-10742

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