▸case-10 We have a long-running process that generates a monthly financial report via the Xero API. It takes about 45 minutes to gather data. Write a standard HTTP endpoint in Express.js that triggers this and returns the report. | fail→fail | 15,597 | 10,877 | -30% | 1 | 1 | 0% | 3,230 | 2,209 | -32% | 0 | 0 | — |
▸case-22 I need to run a simple cleanup script on my Linux server every night at 2 AM to delete temporary files older than 7 days. What is the most straightforward way to schedule this? | pass→pass | 8,032 | 5,358 | -33% | 1 | 1 | 0% | 1,478 | 1,074 | -27% | 0 | 0 | — |
▸case-01 I need an automation script that connects my CRM to my team chat. Whenever a new high-value lead is created, it should ping the sales channel and create a follow-up task in our project management tool. Please output the code for this integration. | fail→fail | 13,286 | 9,819 | -26% | 1 | 1 | 0% | 3,018 | 2,063 | -32% | 0 | 0 | — |
▸case-02 Write a step-by-step orchestration plan for employee onboarding. It should trigger when a new user is added to the HR system, then automatically provision an email account, invite them to the company chat, and assign training modules. Present the solution as a structured JSON workflow. | fail→fail | 17,600 | 9,509 | -46% | 1 | 1 | 0% | 3,836 | 2,105 | -45% | 0 | 0 | — |
▸case-03 We need to coordinate a customer refund process. The system must first cancel the order in Shopify, then issue the refund via Stripe, and finally send an email via SendGrid. Write a simple Python script using the requests library to handle this sequentially. | fail→fail | 14,995 | 10,695 | -29% | 1 | 1 | 0% | 3,542 | 2,400 | -32% | 0 | 0 | — |
▸case-04 Design a distributed transaction for booking a flight via Sabre and a hotel via Expedia. If the hotel booking fails after the flight is booked, the system needs to handle it. Describe the architecture. | fail→fail | 17,058 | 17,746 | +4% | 1 | 1 | 0% | 3,301 | 3,201 | -3% | 0 | 0 | — |
▸case-05 We are receiving webhooks from GitHub whenever a repository is created. We need to process these webhooks to set up branch protections via the GitHub API and notify Slack. How should we architect the Express.js ingestion layer? | fail→pass | 17,402 | 15,667 | -10% | 1 | 1 | 0% | 3,524 | 3,136 | -11% | 0 | 0 | — |
▸case-06 Write a Node.js function that polls our MongoDB database every 5 minutes for new users and sends their data to the Mailchimp API. | fail→fail | 12,872 | 14,714 | +14% | 1 | 1 | 0% | 2,689 | 2,681 | -0% | 0 | 0 | — |
▸case-07 Create a workflow to delete a user's data across our main Postgres database, our Redis cache, and our Elasticsearch cluster. The deletions should happen one after the other in a single script. | fail→fail | 14,511 | 15,016 | +3% | 1 | 1 | 0% | 3,055 | 3,169 | +4% | 0 | 0 | — |
▸case-08 We need to sync product inventory from our SAP ERP to our Shopify storefront. The SAP API is notoriously flaky and goes down often. Write the sync logic. | pass→pass | 20,088 | 19,274 | -4% | 1 | 1 | 0% | 3,785 | 3,864 | +2% | 0 | 0 | — |
▸case-09 A user uploads a video to S3, and we need to transcode it into 3 different resolutions, extract the audio, and generate thumbnails. Write the orchestration code. | fail→pass | 20,912 | 17,522 | -16% | 1 | 1 | 0% | 4,512 | 3,896 | -14% | 0 | 0 | — |
▸case-11 Design a system to handle incoming IoT sensor data via MQTT. The sensors send temperature readings every second. We need to aggregate these readings per minute and send them to a Datadog dashboard API. | pass→pass | 17,508 | 15,936 | -9% | 1 | 1 | 0% | 3,333 | 3,109 | -7% | 0 | 0 | — |
▸case-12 Write an orchestration script that provisions a new AWS EC2 instance, installs Docker, and deploys our application container. If any step fails, it should just exit and log the error. | fail→fail | 13,179 | 12,228 | -7% | 1 | 1 | 0% | 2,679 | 1,995 | -26% | 0 | 0 | — |
▸case-13 We need to integrate our Stripe billing system with a third-party Avalara tax calculation service. The tax service requires us to send an invoice ID. How do we ensure we don't calculate tax twice for the same invoice if our system retries? | fail→fail | 14,392 | 12,365 | -14% | 1 | 1 | 0% | 2,566 | 2,185 | -15% | 0 | 0 | — |
▸case-14 Create a workflow that sends a promotional email to 100,000 users via SendGrid. It should loop through the users array and call the email API for each one sequentially. | fail→fail | 14,083 | 11,301 | -20% | 1 | 1 | 0% | 2,704 | 2,127 | -21% | 0 | 0 | — |
▸case-15 We need a process that checks if a customer's Stripe subscription is active, and if so, generates a PDF receipt and emails it. Write the logic as a single monolithic Python function. | fail→fail | 12,821 | 11,725 | -9% | 1 | 1 | 0% | 2,989 | 2,722 | -9% | 0 | 0 | — |
▸case-16 Design an orchestration flow for a food delivery app. The flow is: customer places order, restaurant accepts, courier picks up, courier delivers. Output the state machine. | pass→pass | 12,845 | 16,834 | +31% | 1 | 1 | 0% | 2,549 | 2,992 | +17% | 0 | 0 | — |
▸case-17 Write a script to migrate data from an old Salesforce instance to HubSpot. It should read all records from Salesforce and write them to HubSpot in a single transaction. | fail→fail | 17,507 | 13,391 | -24% | 1 | 1 | 0% | 2,933 | 2,598 | -11% | 0 | 0 | — |
▸case-18 We have a microservice that handles user registration and another that handles loyalty points. When a user registers, we want to give them 50 points. Should the registration service call the loyalty service directly via a REST POST request? | pass→pass | 11,486 | 10,821 | -6% | 1 | 1 | 0% | 1,887 | 1,626 | -14% | 0 | 0 | — |
▸case-19 Create an orchestration plan for a multi-region Aurora database failover. If the primary region goes down, the script should immediately promote the secondary region to primary automatically. | fail→fail | 19,957 | 15,882 | -20% | 1 | 1 | 0% | 3,971 | 3,103 | -22% | 0 | 0 | — |
▸case-20 I need a Python script to read a local CSV file of 50 users, format their names to uppercase, and write the result to a new CSV file. Should I use a distributed workflow engine for this? | pass→pass | 8,639 | 5,280 | -39% | 1 | 1 | 0% | 1,578 | 975 | -38% | 0 | 0 | — |
▸case-21 We have a single PostgreSQL database. I need to write a Node.js function that inserts a new user record and their initial preferences record at the same time. If the preferences insert fails, the user insert should be rolled back. How should I handle this? | pass→pass | 10,381 | 10,710 | +3% | 1 | 1 | 0% | 2,142 | 2,260 | +6% | 0 | 0 | — |