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Repomix Safe Mixer

Scans a codebase for hardcoded credentials and blocks repomix packaging until it's clean.

Security & ReviewIntermediate★ 1,323⑂ 212AI score 9/10Last updated: Aug 8, 2026

What it does

  • Scans a target directory for hardcoded secrets: AWS keys, Stripe keys, OpenAI/Gemini keys, Supabase URLs, JWTs, private keys and more.
  • Reports every hit with file and line number, and blocks packaging when secrets are present.
  • Runs repomix only after a clean scan, producing a package that is safe to share.
  • Filters common false positives: placeholders, test/example files, comments, and proper process.env.* / import.meta.env.* usage.
  • Walks you through moving secrets into env vars, writing a .env.example, and rotating credentials if exposure already happened.

Who it's for

  • Developers who use repomix to hand a whole codebase to an LLM
  • Teams reviewing code before sharing it with vendors or open-sourcing it
  • Anyone wanting an automated secret check before commits

Examples

  1. One-shot safe pack: python3 scripts/safe_pack.py ~/workspace/my-project --output ~/Downloads/pkg.xml
  2. Clean then verify: run scan_secrets.py, replace hardcoded values with env vars, rescan until zero findings, then pack
  3. Pre-commit gate: python3 scripts/scan_secrets.py . --json exits 1 when secrets are found, blocking the commit

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/daymade/claude-code-skills/HEAD/repomix-safe-mixer/SKILL.md

What I want: (describe your task here)

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↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the repomix-safe-mixer folder from the GitHub repo daymade/claude-code-skills into my ~/.claude/skills/repomix-safe-mixer/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/daymade/claude-code-skills.git /tmp/ccs && mkdir -p ~/.claude/skills && cp -r /tmp/ccs/repomix-safe-mixer ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal and clone the repo: git clone https://github.com/daymade/claude-code-skills.git
  2. Create the skills folder if needed: mkdir -p ~/.claude/skills
  3. Copy just this skill: cp -r claude-code-skills/repomix-safe-mixer ~/.claude/skills/
  4. Check prerequisites: python3 --version (Python 3) and repomix via npm i -g repomix or npx repomix
  5. Restart Claude Code and ask: "safely package this project with repomix" to trigger the skill
  6. To try it manually first: python3 ~/.claude/skills/repomix-safe-mixer/scripts/scan_secrets.py ./my-project
View source on GitHub ↗License: MIT