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TestSprite MCP + Cursor Tutorial

Cursor 2.0 is wild. It built this full-stack fitness tracking app in minutes and I was convinced it was bug-free. Then I ran it through TestSprite MCP and it quietly uncovered issues I didn't even see coming.

Do you know you could be making a huge mistake by trusting AI-generated code for production? I've been making this mistake too.

When I pushed Cursor 2.0 to its limits by building this app from scratch, it ran perfectly — or so I thought. Cursor delivered a beautiful UI, the app architecture was right, and the logic was okay. But let me show you what I uncovered after running the code review using this AI testing MCP.

In this video, I walk you through building a complete fitness tracking app with Cursor 2.0, then testing it with TestSprite MCP to catch critical bugs before production — including authentication vulnerabilities, validation issues, and logic errors that could break your app.

Whether you're building with AI or just want to ensure production-ready code, this tutorial will show you the complete workflow from development to testing.

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WHAT YOU'LL LEARN IN THIS VIDEO

Building a full-stack Next.js fitness tracking app with Cursor 2.0
Using Cursor's multi-agent feature (up to 8 agents simultaneously)
Setting up and installing TestSprite MCP in Cursor
Creating API keys and connecting TestSprite to Cursor
Preparing Product Requirements Documents (PRD) for testing
Testing both frontend and backend with TestSprite MCP
Running automated browser agent tests with Cursor
Understanding TestSprite's detailed test reports and recommendations
Catching critical security vulnerabilities (JWT authentication issues)
Identifying validation errors, logic bugs, and input problems
Using TestSprite's test visualization and screenshots
Reviewing test results in the TestSprite dashboard
Debugging AI-generated code before production
Managing test credits and pricing tiers

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FITNESS TRACKING APP FEATURES

The app built with Cursor 2.0 includes:

Dashboard with total workouts, current streak, and total volume widgets
30-day workout history visualization
Exercise distribution charts and weekly tracking
Log workout page with add, edit, delete functionality
Workout history with sorting capabilities
Progress tracking for weight progression over time
Mobile-responsive design with Lucide React icons
Full CRUD operations (Create, Read, Update, Delete)
Backend API with Node.js and Express
Authentication system with registration and login

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*TESTSPRITE MCP WORKFLOW DEMO*

Inside the video, you'll learn how to:

Build a Next.js app using Cursor's agent mode
Add visual enhancements with icons and styling
Run multiple Cursor agents for different tasks (mobile responsiveness, backend testing)
Sign up for TestSprite and create your account (free tier: 150 credits/month)
Install TestSprite MCP with one-click installation
Generate and configure API keys in TestSprite dashboard
Set up MCP server in Cursor settings
Prepare and upload PRD documents for testing
Configure frontend testing with login credentials and ports
Configure backend testing with API endpoints
Run comprehensive test suites that catch 8+ critical issues
Review detailed test reports with analysis, impact, and recommendations
Watch browser automation tests in action with screenshots
Access test recordings and previews in TestSprite dashboard
Debug and fix issues identified by TestSprite
Ensure code is production-ready before deployment

This is a complete, practical demonstration of how developers can combine Cursor 2.0's rapid development with TestSprite MCP's thorough testing to build production-quality applications.

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CRITICAL ISSUES CAUGHT BY TESTSPRITE

TestSprite MCP uncovered serious bugs including:

Dashboard endpoint missing JWT authentication (allows unauthorized access)
Positive number validation problems
Weight calculation logic errors
Missing email format validation
Missing required attributes
Negative values accepted in workout forms
Submit button rendering issues
Edit workout response errors

Without TestSprite, these bugs would have made it to production.

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*SUBSCRIBE TO SUPPORT MY WORK*

If you found this workflow helpful, please subscribe and give it a like. Try TestSprite MCP and let me know your thoughts in the comments.

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