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procurement-agent-ts

README.md

Procurement Agent TypeScript

AI-powered procurement document processing system using LangGraph.js and Document Engine MCP Server.

Overview

This system automatically processes procurement documents and performs 3-way matching between:

  • Purchase Orders (PO)
  • Invoices
  • Payments

It uses AI agents to classify documents, extract data, find matches, and generate comprehensive reports.

Prerequisites

  • Node.js 18+
  • Document Engine running locally
  • MCP server running (default: http://localhost:5100/mcp)
  • OpenAI API key set in the environment

Setup

  1. Install dependencies:

    pnpm install

  2. Environment setup: Create a .env file in this directory with:

    OPENAI_API_KEY=your_openai_api_key_here
MCP_SERVER_URL=http://localhost:5100/mcp

  3. Start Document Engine MCP Server: From the main project directory:

    pnpm build && MCP_TRANSPORT=http pnpm start

  4. Run the example:

    pnpm start

The system will automatically:

  1. Load all PDFs from ../../langgraphjs/assets/procurement/pdfs/
  2. Upload them to Document Engine
  3. Classify each document using AI
  4. Extract structured data (PO numbers, invoice numbers, amounts, etc.)
  5. Perform 3-way matching to find related documents
  6. Generate a comprehensive report with insights