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supabase-extract-jwt

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Uncover Supabase JWTs in client code.

Software Engineering#security#authentication#jwt#supabase#client-side#token
Authormarvinbiss
Version1.0.0
Installs0

System Documentation

What problem does it solve?

This Skill helps identify and analyze JSON Web Tokens (JWTs) related to Supabase that might be exposed in client-side code, helping to detect potential security vulnerabilities.

Core Features & Use Cases

  • JWT Discovery: Finds JWTs within client-side JavaScript, cookies, and local storage patterns.
  • Token Analysis: Decodes JWTs to reveal claims like user ID, email, and expiration dates.
  • Security Detection: Flags hardcoded user tokens and potential exposure of sensitive keys.
  • Use Case: Automatically scan a web application to find any Supabase API keys or user tokens accidentally left in the source code, alerting you to potential security risks.

Quick Start

Extract and analyze all JWTs from https://myapp.example.com.

Dependency Matrix

Required Modules

None required

Components

Standard package

💻 Claude Code Installation

Recommended: Let Claude install automatically. Simply copy and paste the text below to Claude Code.

Please help me install this Skill:
Name: supabase-extract-jwt
Download link: https://github.com/marvinbiss/servicesartisans/archive/main.zip#supabase-extract-jwt

Please download this .zip file, extract it, and install it in the .claude/skills/ directory.
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