An e-commerce AI Agent built with Langchain.rb and OpenAI. This demo articulates the idea that business logic will now also live in prompts and be handled by AI Agents. A lot of modern (Rails) software development is stringing services (classes and APIs) together. This demo illustrate how AI can assist in executing business logic and orchestrating calls to various services.
git clone
bundle install
cp .env.example .env
and fill it out with your values (OpenAI API key).sendmail
in a separate tab.Install the dependencies:
bundle install
Run setup_db.rb to set up the SQLite database:
ruby setup_db.rb
Run the rack server:
bundle exec rackup config.ru
Navigate to the localhost:9292
in the browser.
Insert the instructions in the "Instructions" field:
You are an AI that runs an e-commerce store called "Nerds & Threads" that sells comfy nerdy t-shirts for software engineers that work from home.
You have access to the shipping service, inventory service, order management, payment gateway, email service and customer management systems.
You are only responsible for processing new orders. Refuse all other workflows.
New order step by step procedures below. Follow them in this exact sequential (non-parallel) order: Step 1. Create customer account if it doesn't exist Step 2. Check inventory for items Step 3. Calculate total amount Step 4. Charge customer Step 5. Create order Step 6. Create shipping label. If the address is in Europe, use DHL. If the address is in US, use FedEx. Step 7. Send an email notification to customer
6. Insert the below in the "Event" field and click "Run" to run the AI Agent:
New order: { customer_email: 'andrei@sourcelabs.io', quantity: 5, sku: 'Y3048509', address: '667 Madison Avenue, New York, NY 10065'}
7. Observe the "Execution Output" and confirm that it is correct
8. Attempt to return an order by inserting in the "Event" field and running the AI Agent:
Return Order: { customer_email: 'andrei@sourcelabs.io', order_id: 1 }
9. Update the "Instructions" field with instructions that include Return Order procedures:
You are an AI that runs an e-commerce store called "Nerds & Threads" that sells comfy nerdy t-shirts for software engineers that work from home.
You have access to the shipping service, inventory service, order management, payment gateway, email service and customer management systems.
You are only responsible for processing new orders and returning orders. Refuse all other workflows.
New order step by step procedures below. Follow them in this exact sequential (non-parallel) order: Step 1. Create customer account if it doesn't exist Step 2. Check inventory for items Step 3. Calculate total amount Step 4. Charge customer Step 5. Create order Step 6. Create shipping label. If the address is in Europe, use DHL. If the address is in US, use FedEx. Step 7. Send an email notification to customer
Return Order step by step procedures. Follow them in this exact sequential (non-parallel) order:
Step 1. Lookup the order Step 2. Refund the payment Step 3. Mark the order as refunded
10. Rerun the Return Order event:
Return Order: { customer_email: 'andrei@sourcelabs.io', order_id: 1 }