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langchain-agent

@Eng0AI/eng0-template-skills
0
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AI agent with tools (search, calculator) using LangGraph and AI SDK.

Install Skill

1Download skill
2Enable skills in Claude

Open claude.ai/settings/capabilities and find the "Skills" section

3Upload to Claude

Click "Upload skill" and select the downloaded ZIP file

Note: Please verify skill by going through its instructions before using it.

SKILL.md

name langchain-agent
description AI agent with tools (search, calculator) using LangGraph and AI SDK.

LangChain Agent

An AI agent with tools (search engine and calculator) powered by LangGraph and the Vercel AI SDK.

Tech Stack

  • Framework: Next.js
  • AI: LangChain.js, LangGraph, AI SDK
  • Database: PostgreSQL
  • Package Manager: pnpm

Prerequisites

  • PostgreSQL database
  • OpenAI API key

Setup

1. Clone the Template

git clone --depth 1 https://github.com/Eng0AI/langchain-agent.git .

If the directory is not empty:

git clone --depth 1 https://github.com/Eng0AI/langchain-agent.git _temp_template
mv _temp_template/* _temp_template/.* . 2>/dev/null || true
rm -rf _temp_template

2. Remove Git History (Optional)

rm -rf .git
git init

3. Install Dependencies

pnpm install

4. Setup Environment Variables

Create .env with required variables:

  • POSTGRES_URL - PostgreSQL connection string
  • OPENAI_API_KEY - OpenAI API key for the agent

Build

pnpm build

Development

pnpm dev