qr-barcode-reader

Use when asked to scan, decode, read, or extract data from QR codes or barcodes in images.

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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/development/qr-barcode-reader

SKILL.md

QR/Barcode Reader

Decode and extract data from QR codes and barcodes in images with support for multiple barcode formats.

Purpose

Barcode scanning for:

Inventory management and tracking
Product information lookup
Document verification
Event check-in systems
Automated data entry

Features

Multiple Formats: QR Code, EAN-13, Code128, Code39, UPC-A, DataMatrix
Batch Processing: Scan multiple images in one operation
Data Extraction: Decode to text, URLs, structured data
Image Preprocessing: Auto-rotation, enhancement for better recognition
Validation: Verify barcode checksums
Export: JSON, CSV output with decoded data

Quick Start

python

from qr_barcode_reader import QRBarcodeReader

# Read QR code
reader = QRBarcodeReader()
result = reader.read_image('qr_code.png')
print(result.data)  # Decoded text

# Batch read directory
results = reader.read_directory('images/', formats=['qr', 'ean13'])

CLI Usage

bash

# Read single image
python qr_barcode_reader.py image.png

# Batch read directory
python qr_barcode_reader.py images/*.png --output results.json