Agent Skills: JWT Decoder Tool

JWT Decoder Tool

Description

Decode, verify, and generate JWT (JSON Web Tokens) with support for HS256, RS256, and other algorithms.

Trigger

• /jwt command
• User needs to decode JWT
• User wants to verify tokens

Usage

# Decode JWT (no verification)
python scripts/jwt_decoder.py decode "eyJhbGciOiJIUzI1NiIs..."

# Verify JWT with secret
python scripts/jwt_decoder.py verify "eyJ..." --secret "your-secret"

# Generate JWT
python scripts/jwt_decoder.py generate --payload '{"sub": "user123"}' --secret "secret"

Tags

jwt, token, auth, decode, security

Compatibility

• Codex: ✅
• Claude Code: ✅