qr-generator

Original：🇺🇸 English

Translated

3 scripts

Generate QR codes from text, URLs, or data. Create QR codes for URLs, text, WiFi credentials, contact info (vCard), and more. No API key required.

2installs

Sourcewinsorllc/upgraded-carnival

Added on2026-04-16

NPX Install

npx skill4agent add winsorllc/upgraded-carnival qr-generator

SKILL.md Content

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QR Code Generator Skill

Generate QR codes for various data types using Python's qrcode library.

When to Use

✅ USE this skill when:

"Generate a QR code for this URL"
"Create QR code for WiFi credentials"
"Make a QR code for contact info"
"Generate QR for this text"

When NOT to Use

❌ DON'T use this skill when:

Reading/scanning QR codes → use mobile device or dedicated scanner
Creating barcodes (non-QR) → use barcode libraries

Setup

Install required package:

bash

pip install qrcode pillow

Commands

Basic QR Code

bash

{baseDir}/qr.sh "https://example.com"
{baseDir}/qr.sh "Hello, World!" --out /tmp/qr.png

WiFi QR Code

bash

{baseDir}/qr-wifi.sh --ssid "MyNetwork" --password "secret123"
{baseDir}/qr-wifi.sh --ssid "MyNetwork" --password "secret123" --security WPA3

vCard QR Code

bash

{baseDir}/qr-vcard.sh --name "John Doe" --phone "+1234567890" --email "john@example.com"
{basedir}/qr-vcard.sh --name "Jane Doe" --phone "+1234567890" --org "Company" --url "https://example.com"

Email QR Code

bash

{baseDir}/qr-email.sh --to "user@example.com" --subject "Hello" --body "Check this out"

Customize Options

bash

{baseDir}/qr.sh "data" --size 20 --border 4 --color black --bg white
{baseDir}/qr.sh "data" --out /tmp/custom.png --size 30 --border 2

Options

```
--out <path>
```
: Output file path (default: qr.png)
```
--size <N>
```
: Module size in pixels (default: 10)
```
--border <N>
```
: Border size in modules (default: 4)
```
--color <color>
```
: QR code color (default: black)
```
--bg <color>
```
: Background color (default: white)
```
--format <fmt>
```
: Output format: PNG, SVG (default: PNG)

Output Formats

PNG

Binary image file, widely compatible.

SVG

Vector format, scalable without quality loss.

Examples

URL QR Code:

bash

{baseDir}/qr.sh "https://mywebsite.com/page?id=123" --out website.png

WiFi QR Code (guests can scan to connect):

bash

{baseDir}/qr-wifi.sh --ssid "GuestNetwork" --password "guestpass" --security WPA

Contact QR Code (scan to add to contacts):

bash

{baseDir}/qr-vcard.sh --name "Alice Smith" --phone "+15551234567" --email "alice@example.com"

Notes

QR codes can store up to ~4KB of data
Larger data = denser QR = harder to scan
Use URL shorteners for very long URLs
Error correction allows partial damage recovery

qr-generator

NPX Install

Tags

SKILL.md Content

QR Code Generator Skill

When to Use

When NOT to Use

Setup

Commands

Basic QR Code

WiFi QR Code

vCard QR Code

Email QR Code

Customize Options

Options

Output Formats

PNG

SVG

Examples

Notes