🛡️
Quality

42Crunch

by membranedev

42Crunch is a Quality skill for Claude Code, published by membranedev in application-skills.

265 stars41 forkson membranedev/application-skillsAdded 2026/09/02+2% in starsRepository updated 2026/04/28
agent-skillsclaude-code-skillclaude-skillsmembraneskills
Install in seconds
Install 42Crunch
Copy 42Crunch into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.
terminal
npx degit https://github.com/membranedev/application-skills/tree/main/skills/42crunch ~/.claude/skills/42crunch

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/membranedev/application-skills.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file
skills/42crunch/SKILL.md in membranedev/application-skills
Installs to
~/.claude/skills/42crunch
Collection
One of 25 skills cataloged from this repository
Category
Quality1418 skills

What 42Crunch does

42Crunch manages API security auditing and related records through Membrane. Use it when you need to inspect API inventory, validate contracts, or work with firewall and protection data.

42Crunch is cataloged under Quality on DirSkills. 42Crunch comes from a repository tagged agent-skills, claude-code-skill, claude-skills, membrane and skills.

Documentation

README

42Crunch

42Crunch is a platform that provides automated API security auditing and testing. It's used by developers and security teams to identify vulnerabilities in their API definitions and implementations early in the development lifecycle.

Official docs: https://42crunch.com/platform/api/

42Crunch Overview

  • API Collection
    • API Inventory
      • API
        • API Version
          • Security Audit
          • API Firewall Configuration
          • Contract Validation
          • API Protection Statistics
  • Organization
    • User

This is the opening of the README. Read the full README on GitHub.

Frequently asked about 42Crunch

  • What else does membranedev publish alongside 42Crunch?

    42Crunch is one of 25 skills that DirSkills catalogs from membranedev/application-skills, the repository it ships in. Its siblings there include 0CodeKit, 10Duke and 10to8. Each one is a separate skill with its own page in this directory, installs the same way 42Crunch does, and is maintained by membranedev in that same repository. The rest of the collection is listed on the membranedev/application-skills page.

  • How does 42Crunch compare to other Quality skills?

    42Crunch ranks #1267 by stars among the 1418 Quality skills in this catalog. The most-starred ones next to it are Benchmark, Benchmark Optimization Loop and API Design Patterns. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of 42Crunch against them. Open each page to compare what they document and how they install.