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BytesAgain β€Ί Skills β€Ί Jwt Toolkit
πŸ¦€ ClawHub

Jwt Toolkit

by @johnnywang2001

Decode, inspect, and validate JWT (JSON Web Token) tokens from the command line. Shows header, payload, algorithm, expiry status, and known claim labels. Use...

Versionv1.0.0
Downloads925
#crypto-defi#security#data#legal
TERMINAL
clawhub install jwt-toolkit

πŸ“– About This Skill

name: jwt-toolkit description: Decode, inspect, and validate JWT (JSON Web Token) tokens from the command line. Shows header, payload, algorithm, expiry status, and known claim labels. Use when debugging auth tokens, checking if a JWT is expired, inspecting JWT claims, decoding Bearer tokens, or analyzing token structure. Triggers on "decode JWT", "inspect token", "JWT expired", "parse JWT", "check Bearer token", "token claims".

JWT Toolkit

Zero-dependency JWT decoder and inspector. Decodes any JWT token and shows header, payload claims, algorithm info, expiry status, and signature details.

Quick Start

# Decode a JWT token
python3 scripts/jwt_decode.py eyJhbGciOiJIUzI1NiIs...
Read token from file

python3 scripts/jwt_decode.py --file token.txt
Read from stdin (pipe from curl, etc.)

echo "eyJ..." | python3 scripts/jwt_decode.py --stdin
JSON output for scripting

python3 scripts/jwt_decode.py eyJ... --format json
Also handles "Bearer " prefix automatically

python3 scripts/jwt_decode.py "Bearer eyJhbGciOiJIUzI1NiIs..."

Features

  • Decodes header and payload with human-readable claim labels
  • Shows algorithm details and security warnings (e.g., none algorithm)
  • Checks token expiry with remaining time or time-since-expired
  • Recognizes 20+ standard and common claims (iss, sub, aud, roles, scope, etc.)
  • Strips "Bearer " prefix automatically
  • JSON and text output formats
  • No external dependencies β€” pure Python stdlib

    • πŸ’‘ Examples

    # Decode a JWT token
python3 scripts/jwt_decode.py eyJhbGciOiJIUzI1NiIs...
    Read token from file
    
python3 scripts/jwt_decode.py --file token.txt
    Read from stdin (pipe from curl, etc.)
    
echo "eyJ..." | python3 scripts/jwt_decode.py --stdin
    JSON output for scripting
    
python3 scripts/jwt_decode.py eyJ... --format json
    Also handles "Bearer " prefix automatically
    
python3 scripts/jwt_decode.py "Bearer eyJhbGciOiJIUzI1NiIs..."