Prefl.run

Find and Fix Critical IssuesBefore Production

Senior architect-level AI that catches bugs others miss — even bugs that pass code review and testing.
Detects 16+ categories of production issues at commit time.

npm i -g @preflight-ai/cli@latest
🛡️95% bugs caught early
Analysis in under 3 seconds
🌐15+ languages supported

See It In Action

$ git commit -m add "feat: add new feature"

✨ Analysis complete! Found 1 issue(s)

CRITICAL ISSUES (Must Fix)

File: src/App.tsx

Issue: Memory leak: setInterval is created but never cleaned up, causing the interval to continue running even after component unmount

Fix: Return a cleanup function from useEffect to clear the interval:
return () => clearInterval(intervalId);

❌ Commit blocked due to critical issues. Please fix them first.

Why Developers love Preflight

Senior Architect-Level AI

Catches 16+ bug categories that pass code review — race conditions, memory leaks, UX issues.

AI Auto-Fix Suggestions

Get actionable code patches instantly. AI suggests fixes and you apply with one command.

No Code Reviewer Needed

Get instant AI feedback on every commit — your personal senior architect that never sleeps.

Pre-commit Protection

Blocks commits with critical issues automatically — no bad code reaches your repo.

Loved by Developers Worldwide

Join thousands of developers catching bugs before production

M
Mark Chen
Senior Engineer @ Stripe

"Caught a race condition in payment processing that passed code review. This would've been a disaster in production. Worth every penny... except it's free!"

S
Sarah Johnson
Tech Lead @ Shopify

"Reduced our code review time by 60%. The AI catches memory leaks and edge cases that humans miss. Now our team can focus on architecture instead of hunting bugs."

A
Alex Rivera
Indie Developer

"As a solo dev, this is like having a senior engineer on call 24/7. Found 3 critical bugs in my first scan. Setup took literally 30 seconds."

How It Works

Set up in 60 seconds. No complex configuration. No CI/CD changes needed.
Just 4 simple steps to safer code.

Step 1

Stage Files

Run git add on your changes

Step 2

Run Preflight

npx prefl analyze

Step 3

AI Analysis

Groq AI scans your code

Step 4

Safe to Commit

No issues found ✅

Built for Every Team Size

Whether you're a solo founder or an enterprise team, Preflight scales with you.
Same powerful AI. Zero complexity.

Solo Developers

No code reviewer? No problem. Get instant AI-powered feedback on every commit and ship quality code with confidence.

Engineering Teams

Reduce manual code review burden by 80%. Let AI catch the bugs while your team focuses on architecture and business logic.

Open Source Projects

Maintain high code quality across contributions, educate new contributors, and protect your project's integrity.

Why Choose Preflight AI?

Catch 95% of Bugs Before Production

Stop bugs at the source. Detect security vulnerabilities, memory leaks, and logic errors instantly — save hours of debugging later.

Lightning Fast — Analysis in Under 3 Seconds

Smart caching + incremental analysis = zero workflow disruption. Get instant feedback without breaking your flow.

Context-Aware AI That Actually Gets Your Code

Unlike basic linters, our AI understands your entire codebase context, dependencies, and business logic — finding issues others miss.

15+ Languages — Zero Configuration Required

JavaScript, TypeScript, Python, Java, Go, C++, Rust, and more. Just install and run — works instantly with your existing stack.

Preflight vs Traditional Tools

Why developers choose Preflight over ESLint and SonarQube

Feature
Preflight AI
ESLintSonarQube
AI-Powered Analysis
Race Condition Detection
Memory Leak DetectionLimited
Context-Aware AnalysisLimited
Auto-Fix SuggestionsBasic
Multi-Language SupportJS only
Setup Time60 sec~30 min~2 hours
PriceFREEFree$$$

💡 Pro tip: The average production bug costs $5,600 to fix.
Catch them at commit time for free with Preflight AI.

Stop Bugs Before They Cost You Money

Join 1000+ developers shipping safer code. Free and open source.
Set up in 60 seconds • No credit card • No signup required

npm i -g @preflight-ai/cli