42Crunch Claude Plugins

The official 42Crunch plugin marketplace for Claude Code — a catalog of AI-powered plugins that bring 42Crunch's API security capabilities directly into your Claude Code workflow.

42Crunch plugins give Claude the ability to audit OpenAPI specs, scan live APIs for vulnerabilities, and apply fixes to ensure APIs meet security guardrails.

Structure

.claude-plugin/
  marketplace.json              # Plugin registry manifest
docs/                           # Repository-level documentation assets
  images/                       # Screenshots and diagrams used in READMEs
plugins/                        # Claude plugins developed by 42Crunch
  api-security-testing/
    .claude-plugin/
      plugin.json               # Plugin metadata
    skills/                     # Skill definitions
    references/                 # Reference definitions
    README.md                   # Documentation
    LICENSE                     # License

Prerequisites

The Claude Code CLI is required to add marketplaces and install plugins using the claude CLI commands below.

Adding this Marketplace

Register the 42Crunch marketplace with Claude Code:

Using Claude Code CLI

claude plugin marketplace add https://github.com/42Crunch-AI/claude-plugins

Or Using an interactive Claude Code session

/plugin marketplace add https://github.com/42Crunch-AI/claude-plugins

Or Using Claude Code (for VSCode) plugin manager

1. Type /plugin and press Enter to open the plugin manager:

!Manage Plugins

2. On the Marketplaces tab, paste the 42Crunch marketplace URL:

• https://github.com/42Crunch-AI/claude-plugins
• Click Add to add the marketplace

!Add Marketplace

Available Plugins

42crunch-api-security-testing

AI-powered API security plugin backed by 42Crunch. Audit OpenAPI specs, detect OWASP API Security vulnerabilities (including BOLA/BFLA), run live conformance and authorization scans against running APIs, and apply AI-assisted fixes — all through natural language.

Install: After registering the marketplace (see above), install the plugin:

Using Claude Code CLI

claude plugin install 42crunch-api-security-testing@42crunch-marketplace

Or Using an interactive Claude Code session

/plugin install 42crunch-api-security-testing@42crunch-marketplace

Or Using Claude Code (for VSCode) plugin manager

1. On the Plugins tab, search for the 42Crunch plugin:

• Type '42crunch' in the search bar
• Click Install on the 42crunch-api-security-testing plugin

!Plugin Search

2. Choose the scope of the plugin installation (User, Project, Local):

!Plugin Install

3. Click Restart to apply the changes:

!Plugin Restart

See the plugin README for full documentation and RECIPES.md for common scenario guides.

Links

• 42Crunch
• 42Crunch Documentation
• 42Crunch on GitHub
• Support: support@42crunch.com