The ProdFix Blog

Production guides for solo founders, vibe coders, and indie hackers. Ship faster. Break less.

prodfix — terminal npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events _
Vibe Coding
What Is Vibe Coding — And Why It Always Breaks in Production
Vibe coding lets you ship fast with AI. But production doesn't care about vibes. Here's what breaks and how to catch it before your users do.
2025-04-10 · 6 min read
PRE-LAUNCH CHECKLIST Error monitoring Alerts configured Performance tracking Security scan MCP setup Rate limiting PROGRESS 4 / 6 items completed ⚠ NEXT UP Run security scan CSP + XSS audit Start scan →
Vibe Coding
Cursor AI Production-Ready Checklist: 12 Things to Verify Before You Ship
Shipping with Cursor AI? Run through this checklist before every deploy. Covers error handling, auth, input validation, and monitoring setup.
2025-04-10 · 5 min read
Claude Code ProdFix Cursor IDE Production MCP · Model Context Protocol · AI-powered debugging
Vibe Coding
Claude Code for Solo Founders: The Complete Production Guide
Claude Code is a powerful CLI coding agent. Here's how solo founders use it safely in production — including error monitoring, MCP integration, and the pitfalls to avoid.
2025-04-11 · 7 min read
error_dashboard.tsx ● TypeError Cannot read properties of undefined · 142 events · 23 users ● UnhandledRejection Payment API timeout · 31 events · 8 users ● ReferenceError user is not defined · 18 events · 12 users ✓ 3 fixed this week via MCP + Cursor · avg fix time: 4 min ERROR RATE / 24H — before - - after fix
Vibe Coding
7 AI-Generated Code Bugs You'll Never Catch in Dev (But Will Hit in Production)
These bugs look fine in development but explode under real user load. Every vibe coder shipping with Cursor or Claude needs to know these patterns.
2025-04-11 · 6 min read
Cursor IDE Claude Code CLI MCP Model Context Protocol ProdFix Error Data Production App AI tools read production data in real-time via MCP
Vibe Coding
How to Use MCP with Cursor for 10x Faster Production Debugging
MCP (Model Context Protocol) lets Cursor read your production error data in real time. Here's how to set it up and use it to debug in seconds, not hours.
2025-04-12 · 5 min read
✓ CSP headers script-src configured ✓ Auth tokens httpOnly cookies ✗ Rate limiting missing on /api/login ✓ HTTPS enforced HSTS + redirect ✗ SQL injection raw query at /search ✓ Input validation all endpoints prodfix · vibe coding safely · security monitoring
Vibe Coding
How to Vibe Code Without Breaking Your SaaS
Ship fast with AI without breaking things for paying customers. A practical guide to safe vibe coding with monitoring, testing shortcuts, and MCP.
2025-04-12 · 6 min read
⚠ CSP Violation script-src blocked · 3 events ⚠ XSS Attempt Blocked · /api/search ✓ Auth headers OK HSTS + SameSite set Security Score B+ VULNERABILITIES 2 critical 3 medium 12 passed prodfix · security monitoring · CSP · XSS · supply chain
Vibe Coding
5 Security Risks in AI-Generated Code That Solo Founders Miss
AI coding assistants write insecure code more often than you think. Here are the security vulnerabilities most commonly introduced by Cursor and Claude — and how to catch them.
2025-04-13 · 7 min read
Cursor IDE Claude Code CLI MCP Model Context Protocol ProdFix Error Data Production App AI tools read production data in real-time via MCP
Vibe Coding
Best MCP Servers for Cursor and Claude Code in 2025
The most useful MCP servers for solo founders and vibe coders in 2025. Covers error monitoring, databases, APIs, and productivity tools.
2025-04-13 · 5 min read
prodfix — terminal npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events _
Vibe Coding
How to Connect Your Error Tracker to Cursor via MCP (Step-by-Step)
A step-by-step guide to connecting ProdFix error monitoring to Cursor IDE via MCP. See production errors inside your editor and fix them in one shot.
2025-04-14 · 4 min read
✓ Deploy successful 0 new errors · 2m ago Error rate: 0.02% ▼ 80% from last week LCP: 1.2s P75 · Good ✓ Active users: 142 ↑ Product Hunt day prodfix · ship fast · stay stable · solo founder monitoring
Vibe Coding
Shipping Fast with AI: How Not to Break Production
Speed and stability aren't opposites. Here's the framework solo founders use to ship daily with AI while keeping production stable for paying customers.
2025-04-14 · 5 min read
⚠ CSP Violation script-src blocked · 3 events ⚠ XSS Attempt Blocked · /api/search ✓ Auth headers OK HSTS + SameSite set Security Score B+ VULNERABILITIES 2 critical 3 medium 12 passed prodfix · security monitoring · CSP · XSS · supply chain
Vibe Coding
What Happens When AI Writes Your Auth Code (And What Can Go Wrong)
Authentication is the most security-critical part of your SaaS. AI gets most of it right — but these edge cases can break your app or expose user data.
2025-04-15 · 7 min read
error_dashboard.tsx ● TypeError Cannot read properties of undefined · 142 events · 23 users ● UnhandledRejection Payment API timeout · 31 events · 8 users ● ReferenceError user is not defined · 18 events · 12 users ✓ 3 fixed this week via MCP + Cursor · avg fix time: 4 min ERROR RATE / 24H — before - - after fix
Vibe Coding
The 8 Next.js App Router Errors Every Vibe Coder Makes in Production
Next.js App Router has new patterns that trip up even experienced developers. Here are the 8 errors vibe coders hit most often in production.
2025-04-15 · 6 min read
PRE-LAUNCH CHECKLIST Error monitoring Alerts configured Performance tracking Security scan MCP setup Rate limiting PROGRESS 4 / 6 items completed ⚠ NEXT UP Run security scan CSP + XSS audit Start scan →
Vibe Coding
How to Review AI-Generated Code Before Shipping (A Practical Framework)
AI writes code fast. Reviewing it well is a skill. Here's a practical framework for reviewing Cursor and Claude-generated code before it hits production.
2025-04-16 · 6 min read
Claude Code ProdFix Cursor IDE Production MCP · Model Context Protocol · AI-powered debugging
Vibe Coding
Cursor vs Claude Code: Which Is Better for Solo Founders?
Both tools are excellent for AI-assisted coding. But they're different. Here's an honest comparison for solo founders deciding where to invest.
2025-04-16 · 5 min read
Claude Code ProdFix Cursor IDE Production MCP · Model Context Protocol · AI-powered debugging
Vibe Coding
Vibe Coding Best Practices 2025: How to Ship AI Code Safely
The definitive best practices guide for vibe coders in 2025 — shipping AI-generated code safely without breaking production.
2025-04-18 · 6 min read
prodfix — terminal npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events _
Vibe Coding
Cursor Composer Mode: The Complete Guide for Solo Founders
Cursor Composer lets you edit multiple files at once. Here's how solo founders use it effectively without introducing production bugs.
2025-04-18 · 5 min read
Claude Code ProdFix Cursor IDE Production MCP · Model Context Protocol · AI-powered debugging
Vibe Coding
Claude Sonnet vs GPT-4 for Coding: Which Is Better for Production Apps?
An honest comparison of Claude Sonnet and GPT-4 for writing production-quality code. Which model makes fewer bugs?
2025-04-18 · 5 min read
PRE-LAUNCH CHECKLIST Error monitoring Alerts configured Performance tracking Security scan MCP setup Rate limiting PROGRESS 4 / 6 items completed ⚠ NEXT UP Run security scan CSP + XSS audit Start scan →
Vibe Coding
Best AI Code Review Tools for Solo Developers in 2025
These AI tools review your code before it ships. Here's the best ones for solo founders and indie hackers in 2025.
2025-04-18 · 5 min read
Traditional tools ProdFix ✗ Team-focused pricing ✗ Complex setup ✗ No AI fix suggestions ✗ No MCP integration ✗ Separate UX tool needed ✗ Separate perf tool needed ✗ Multiple dashboards ✓ Solo founder pricing ✓ 2-min setup ✓ AI fix suggestions ✓ Cursor + Claude MCP ✓ UX built-in ✓ Performance built-in ✓ One dashboard $26+/user/month Free · $13/mo starter
Vibe Coding
GitHub Copilot vs Cursor: Which Should Solo Founders Use?
GitHub Copilot and Cursor both use AI to help you code. Here's which one is better for solo founders shipping production SaaS.
2025-04-18 · 5 min read
prodfix — terminal npx @prodfix/sdk init ✓ SDK initialized — 3 projects, 0 errors prodfix issues --project my-saas ● TypeError: Cannot read properties of undefined at Checkout.jsx:47 · 23 users affected · 142 events ● UnhandledRejection: Payment API timeout at api/checkout.js:89 · 8 users affected · 31 events _
Vibe Coding
How to Prompt Cursor for Production-Quality Code (Not Just Working Code)
The difference between "working code" and "production code" is in how you prompt. Here's the prompting framework that gets you prod-ready output.
2025-04-18 · 6 min read
Traditional tools ProdFix ✗ Team-focused pricing ✗ Complex setup ✗ No AI fix suggestions ✗ No MCP integration ✗ Separate UX tool needed ✗ Separate perf tool needed ✗ Multiple dashboards ✓ Solo founder pricing ✓ 2-min setup ✓ AI fix suggestions ✓ Cursor + Claude MCP ✓ UX built-in ✓ Performance built-in ✓ One dashboard $26+/user/month Free · $13/mo starter
Vibe Coding
AI Coding Tools Comparison 2025: Cursor, Claude Code, Copilot, Windsurf
All major AI coding tools compared for solo founders: features, pricing, production safety, MCP support.
2025-04-18 · 7 min read
Claude Code ProdFix Cursor IDE Production MCP · Model Context Protocol · AI-powered debugging
Vibe Coding
Windsurf IDE Review: Is It Good for Solo Founders?
Windsurf is Codeium's AI IDE. Here's an honest review focused on solo founder use cases and production safety.
2025-04-18 · 5 min read
Cursor IDE Claude Code CLI MCP Model Context Protocol ProdFix Error Data Production App AI tools read production data in real-time via MCP
Vibe Coding
8 MCP Tools Every Solo Founder Needs in Their Cursor Setup
These 8 MCP servers give Cursor the context it needs to write better code and debug production faster.
2025-04-19 · 5 min read
error_dashboard.tsx ● TypeError Cannot read properties of undefined · 142 events · 23 users ● UnhandledRejection Payment API timeout · 31 events · 8 users ● ReferenceError user is not defined · 18 events · 12 users ✓ 3 fixed this week via MCP + Cursor · avg fix time: 4 min ERROR RATE / 24H — before - - after fix
Vibe Coding
How to Use AI to Fix Production Bugs in Under 10 Minutes
The workflow: error monitoring captures the bug → AI reads it via MCP → AI writes the fix. Here's the exact process.
2025-04-19 · 5 min read