The ProdFix Blog

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

session-replay.prodfixai.com Session: user_8f2a · 3m 42s · Chrome 124 · MacOS 3× rage click Submit button · no response dead clicks 0:00 3:42 UX SIGNALS 14 rage clicks this week 38 dead clicks this week 2.4 min avg session length
Performance
Session Replay for Solo Founders: Is It Worth It?
Session replay lets you watch how real users interact with your app. Is the setup cost and privacy overhead worth it for a solo founder? An honest take.
2025-04-14 · 5 min read
prodfix ● All Projects ○ Issues ○ Performance ○ Security ○ UX All Projects 98.7% uptime this month 3 open issues 1.4s avg LCP ● main-saas 142 errors · 23 open · LCP 1.8s critical ● side-project-2 8 errors · 1 open · LCP 2.1s warn ● chrome-ext 0 errors · all clear · LCP 0.9s good
Performance
Real User Monitoring: Why Solo Founders Need It (Not Just Synthetic Tests)
Lighthouse and synthetic tests show you an idealized version of your app. Real User Monitoring shows you what real users actually experience. Here's why that matters.
2025-04-15 · 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
✓ ✓ 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
Vibe Coding Security Checklist: 15 Things to Check Before Every Deploy
AI writes insecure code more often than you think. Use this 15-point checklist before every production deploy.
2025-04-19 · 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
AI-Generated Tests: Are They Actually Enough for Production?
Cursor and Claude can write tests for you. But are AI-generated tests good enough to ship with confidence? An honest answer.
2025-04-19 · 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
How AI Coding Changes the Way You Debug Production Issues
With AI tools and MCP, debugging production no longer means hours of log-reading. Here's the new debugging workflow.
2025-04-19 · 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
The Best Cursor Rules for Production-Safe Code
.cursorrules that enforce error handling, security patterns, and production best practices automatically.
2025-04-19 · 5 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
10 SaaS Products Built with Vibe Coding in 2025
Real examples of profitable SaaS products built primarily with AI coding tools in 2025. What they built, how fast, and what broke.
2025-04-20 · 5 min read
✦ Claude Code ProdFix Cursor IDE Production MCP · Model Context Protocol · AI-powered debugging
Vibe Coding
AI Coding for Non-Technical Founders: What's Actually Possible in 2025
Can you build a production SaaS with AI if you're not a developer? Honest answer, real examples, and what monitoring you'll need.
2025-04-20 · 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
How to Onboard AI Tools to Your Existing Codebase
Getting Cursor or Claude Code up to speed on your existing project. Context strategies, CLAUDE.md setup, MCP configuration.
2025-04-20 · 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
The Hidden Risks of AI Refactoring in Production Codebases
AI refactoring looks clean. But it silently breaks things. Here's what to watch out for when using AI to refactor production code.
2025-04-20 · 6 min read
✦ Claude Code ProdFix Cursor IDE Production MCP · Model Context Protocol · AI-powered debugging
Vibe Coding
LLM Context Window Strategies for Large Codebases
When your codebase is bigger than the context window, AI makes worse suggestions. Here's how to work around this.
2025-04-20 · 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
Vibe Coding with TypeScript: How Type Safety Saves You in Production
TypeScript catches AI coding mistakes before they reach production. Here's how to use it effectively with Cursor and Claude.
2025-04-21 · 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
Cursor vs Claude Code 2025: Updated Comparison After New Releases
Updated comparison after the latest releases from both tools. Which one should solo founders use for production apps?
2025-04-21 · 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
Agentic Coding and Production Safety: What You Need to Know
Agentic AI tools run commands and make multi-file changes autonomously. Here's how to use them without destroying production.
2025-04-21 · 6 min read
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