LangGraph.js AI Agent Template

Example Use Cases

• 1

  Dynamic and extensible tool integration via MCP servers.

• 2

  That require human-in-the-loop control over tool execution.

• 3

  Persistent conversation memory and multimodal file handling.

Description

This repository provides a comprehensive template to build AI agents leveraging LangGraph.js with Model Context Protocol (MCP) integration for dynamic tool loading. It features human-in-the-loop tool approval workflows, persistent conversation memory with PostgreSQL, multimodal file uploads, and real-time streaming interfaces. The template supports both stdio and HTTP MCP servers, enabling flexible and secure tool management, and is production-ready with support for AWS S3 and Cloudflare R2 storage.