DEV Community

z z
z z

Posted on

I Just Made 50 Claude Code Prompts Free — Here's Why

Claude Code is incredible at coding. But let's be honest — most of us use it the same way: type a question, get an answer, move on.

You are leaving 80% of its capability on the table.

I spent weeks building a collection of 50 specific, battle-tested prompts that turn Claude Code into specialized tools:

  • A code reviewer that catches SQL injection, memory leaks, and race conditions
  • A bug investigator that traces root causes instead of guessing
  • A performance auditor that finds bottlenecks in your stack
  • A refactoring planner that shows you exactly which files to touch (in what order)
  • A dependency auditor that flags security risks before they reach production

The Problem

Most developers use Claude Code with ad-hoc prompts. "Review this code" — and you get a shallow pass. "Debug this" — and you get random guesses.

The secret is specificity. A prompt like:

You are a senior security engineer. Review this diff for:
1. SQL injection in string interpolation
2. XSS in unescaped template variables
3. Memory leaks from unclosed event listeners
4. Race conditions in async operations

For each finding, provide: severity (🔴/🟡/🟢), file:line, exploit scenario, and exact fix code.
Enter fullscreen mode Exit fullscreen mode

This is not the same as "review this code." The difference is night and day.

What I Built

I compiled 50 such prompts into single-file markdown documents. Each one is a specific tool:

# Skill What It Does
1 Auto Commit Messages Generates conventional commits from staged changes
2 Code Review Assistant Catches bugs, security holes, design issues
3 Project Context Builder Understands any codebase in 2 minutes
4 Test Generator Creates comprehensive test suites
5 Bug Investigator Root cause analysis, not random fixes
6 API Documentation Generates docs from source code
7 Database Migrations Safe schema change planning
8 Refactoring Planner Incremental, reversible refactoring
9 Dependency Audit Security + license + bloat analysis
10 Performance Audit Find bottlenecks and config issues
... and 40 more covering CI/CD, Docker, security, monitoring, and production ops

How to Use

git clone https://github.com/zhirenhun-stack/claude-code-skills.git
claude -p "$(cat skills/02-code-review.md)" -p "$(git diff main)"
Enter fullscreen mode Exit fullscreen mode

Why Free?

I believe these prompts should be accessible to everyone who codes. The free GitHub repo has 10 prompts. The full pack of 50 is pay-what-you-want ($0 minimum) — you decide.

If you find even 2-3 prompts that save you time, share them with a teammate. That is the only "payment" I ask for.

Real Example: Dependency Audit

Yesterday I ran the Dependency Audit on a 3-year-old Node.js project:

🔴 HIGH — CVE-2024-XXXX in lodash@4.17.15
  → Server-side prototype pollution via crafted JSON
  → Fix: npm install lodash@4.17.21

🟡 MEDIUM — Leftpad-style pattern in 3 dependencies
  → These packages have 1 maintainer and 0 test coverage
  → Consider inlining or replacing

🟢 LOW — 8 unused devDependencies
  → Removed: node-sass, gulp, coffeescript (21 MB saved)
Enter fullscreen mode Exit fullscreen mode

It took 10 seconds. It would have taken 30 minutes to audit manually.

Get It

Drop a comment if there is a specific skill you want me to add. I am actively maintaining this collection.


P.S. If this saves you even one debugging session, star the repo. It helps others find it.

Top comments (0)