# Usage Examples - Enhanced QR Code MCP Server
## Basic QR Code Generation
### Simple Text QR Code
```json
{
"content": "Hello from Enhanced QR Code MCP!",
"output_directory": "./qr_output/",
"filename": "hello_world",
"errorCorrectionLevel": "M",
"size": 5
}
```
**Result:**
- `hello_world.png` - QR code image
- `hello_world_metadata.json` - Metadata file
- Chat display (if enabled)
### Website URL QR Code
```json
{
"content": "https://github.com/myownipgit/enhanced-qrcode-mcp",
"output_directory": "./qr_output/",
"filename": "github_repo",
"errorCorrectionLevel": "H",
"size": 6,
"border": 6
}
```
## Business Card QR Codes
### Single Contact Card
```json
{
"content": "BEGIN:VCARD\nVERSION:3.0\nFN:John Doe\nORG:Acme Corporation\nTITLE:Software Engineer\nTEL:+1-555-123-4567\nEMAIL:john.doe@acme.com\nURL:https://johndoe.dev\nEND:VCARD",
"output_directory": "./business_cards/",
"filename": "john_doe_contact",
"errorCorrectionLevel": "H",
"size": 7
}
```
### Batch Business Cards
```json
{
"qr_codes": [
{
"id": "john_doe",
"content": "BEGIN:VCARD\nVERSION:3.0\nFN:John Doe\nORG:Acme Corp\nTEL:555-0123\nEMAIL:john@acme.com\nEND:VCARD",
"type": "vcard"
},
{
"id": "jane_smith",
"content": "BEGIN:VCARD\nVERSION:3.0\nFN:Jane Smith\nORG:Acme Corp\nTEL:555-0124\nEMAIL:jane@acme.com\nEND:VCARD",
"type": "vcard"
},
{
"id": "bob_johnson",
"content": "BEGIN:VCARD\nVERSION:3.0\nFN:Bob Johnson\nORG:Acme Corp\nTEL:555-0125\nEMAIL:bob@acme.com\nEND:VCARD",
"type": "vcard"
}
],
"output_directory": "./business_cards/",
"errorCorrectionLevel": "H",
"size": 6
}
```
## Event Management
### Event Ticket QR Code
```json
{
"content": "EVENT:Tech Conference 2025\nDATE:2025-07-15\nTIME:09:00\nVENUE:Convention Center\nTICKET:VIP-001\nSEAT:Row A, Seat 12\nACCESS:VIP Lounge, All Sessions",
"output_directory": "./event_tickets/",
"filename": "ticket_vip_001",
"errorCorrectionLevel": "H",
"size": 8
}
```
### Batch Event Tickets
```json
{
"qr_codes": [
{
"id": "vip_001",
"content": "TICKET:VIP-001|EVENT:Tech Conf 2025|SEAT:A-12|ACCESS:VIP",
"type": "ticket"
},
{
"id": "regular_002",
"content": "TICKET:REG-002|EVENT:Tech Conf 2025|SEAT:B-24|ACCESS:General",
"type": "ticket"
},
{
"id": "student_003",
"content": "TICKET:STU-003|EVENT:Tech Conf 2025|SEAT:C-15|ACCESS:Student",
"type": "ticket"
}
],
"output_directory": "./event_tickets/",
"errorCorrectionLevel": "H",
"size": 7
}
```
## WiFi Access QR Codes
### Single WiFi Network
```json
{
"content": "WIFI:T:WPA;S:ConferenceWiFi;P:TechConf2025!;H:false;",
"output_directory": "./wifi_access/",
"filename": "conference_wifi",
"errorCorrectionLevel": "Q",
"size": 6
}
```
### Multiple WiFi Networks
```json
{
"qr_codes": [
{
"id": "lobby_wifi",
"content": "WIFI:T:WPA;S:Lobby_Guest;P:Welcome123;H:false;",
"type": "wifi"
},
{
"id": "conference_wifi",
"content": "WIFI:T:WPA;S:Conference_Net;P:Event2025;H:false;",
"type": "wifi"
},
{
"id": "vip_wifi",
"content": "WIFI:T:WPA;S:VIP_Access;P:VIPOnly2025;H:false;",
"type": "wifi"
}
],
"output_directory": "./wifi_access/",
"errorCorrectionLevel": "Q",
"size": 5
}
```
## Marketing Campaign QR Codes
### Product Information
```json
{
"content": "https://example.com/products/laptop-pro?utm_source=qr&utm_campaign=summer2025&utm_medium=print",
"output_directory": "./marketing/products/",
"filename": "laptop_pro_qr",
"errorCorrectionLevel": "H",
"size": 6
}
```
### Social Media Links
```json
{
"qr_codes": [
{
"id": "instagram",
"content": "https://instagram.com/acmecorp",
"type": "social"
},
{
"id": "linkedin",
"content": "https://linkedin.com/company/acmecorp",
"type": "social"
},
{
"id": "twitter",
"content": "https://twitter.com/acmecorp",
"type": "social"
}
],
"output_directory": "./marketing/social/",
"errorCorrectionLevel": "M",
"size": 5
}
```
## Error Correction Level Guidelines
- **L (7% recovery)**: Indoor use, clean environments
- **M (15% recovery)**: Standard use, moderate durability needed
- **Q (25% recovery)**: Industrial environments, potential damage
- **H (30% recovery)**: Outdoor use, high damage potential
## Size Guidelines
- **Size 1-3**: Small labels, business cards
- **Size 4-6**: Standard posters, flyers
- **Size 7-10**: Large displays, banners
- **Size 11-20**: Very large displays, outdoor signage
## Directory Organization Tips
```
project/
├── qr_output/
│ ├── business_cards/
│ ├── event_tickets/
│ ├── wifi_access/
│ ├── marketing/
│ │ ├── products/
│ │ └── social/
│ └── inventory/
│ └── assets/
```
This organization makes it easy to manage different types of QR codes and their associated metadata files.
