How to Vibe Code MCP Servers: Gemini 2.5 (AI Studio) + Cursor

Discover how to build a custom MCP server from scratch using Gemini 2.5 (AI Studio) and Cursor! In this complete walkthrough, I'll show you my process for creating a functional stock portfolio tracker that calculates investment performance over time. This tutorial demonstrates my "vibe coding" approach - using AI tools to build practical applications with minimal effort. Perfect for anyone building with AI, whether you're a developer or just getting started with AI-assisted creation. What you'll learn: - Gathering essential documentation (MCP docs, SDK, API documentation) - Setting up a basic MCP server boilerplate - Integrating external APIs - Troubleshooting common issues - Using AI to help at every step TIMESTAMPS: 00:00 - Intro: Building a Stock Tracker MCP Server 00:29 - Setting up the Cursor Project 00:43 - Downloading MCP & SDK Documentation 01:35 - Prompting AI Studio (Gemini 2.5) for Boilerplate Server 03:11 - Cursor Builds Boilerplate (Mistake Included!) 03:46 - Configuring the Boilerplate Server (.mcp.json) 04:15 - Testing the Basic Math Server 04:27 - Attempting API Doc Download with Firecrawl (Error) 05:56 - Pivot: Loading Alpha Vantage Docs into AI Studio 06:25 - Prompting AI Studio for Stock Tracker Logic 07:14 - Getting the Alpha Vantage API Key 07:44 - Cursor Implements Stock Tracker Code 08:06 - Troubleshooting: Server Won't Start ("Closed") 09:15 - Identifying the Root Cause (Wrong server.py) 09:26 - Fixing the Server Path & Confirming Run 09:31 - First Test of Stock Tracker (Fails) 09:46 - Troubleshooting: Debugging API Call Failure 10:12 - Identifying & Fixing the API Issue (Premium Feature) 10:26 - Final Successful Test: Calculating Portfolio Change 11:16 - Recap & Vibe Coding Lessons Learned 13:58 - Sponsorship & Outro Tools used: - Cursor IDE: https://cursor.sh - Gemini 2.5 (AI Studio): https://aistudio.google.com - Aqua Voice: https://withaqua.com/ - Model Context Protocol: https://modelcontextprotocol.io - Alpha Vantage API: https://www.alphavantage.co Related videos: - Watch my PRD Creator video: https://youtu.be/0seaP5YjXVM Want to connect or learn more? Book a 1:1 session: https://cal.com/jeredblu/chat Twitter: https://twitter.com/jeredblu LinkedIn: https://linkedin.com/in/jeredblu #MCPserver #Cursor #Gemini25 #AIStudio #VibeCoding #AITools #AquaVoice