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About
Scan and generate barcodes and QR codes.
Security Report
6.3
Moderate6.3Moderate RiskThis is a well-implemented MCP server for barcode and QR code operations with good security practices. The code demonstrates proper input validation, secure handling of base64 image data, and appropriate permissions for its functionality. Supply chain analysis found 3 known vulnerabilities in dependencies (0 critical, 2 high severity). Package verification found 1 issue.
7 files analyzed · 6 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Transport type.
Environment variable: MCP_TRANSPORT
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-domdomegg-barcode-scanner-mcp": {
"env": {
"MCP_TRANSPORT": "your-mcp-transport-here"
},
"args": [
"-y",
"barcode-scanner-mcp"
],
"command": "npx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
barcode-scanner-mcp
MCP server for scanning and generating barcodes and QR codes.
Use Cases
Decode a barcode from a photo: "What does this barcode say?" → reads the image, detects the barcode format, and returns the decoded text.
Generate a QR code: "Create a QR code for https://example.com" → generates a PNG QR code image with configurable error correction.
Create shipping labels: "Generate a Code 128 barcode for tracking number 1Z999AA10123456784" → produces a barcode image in the specified format.
Verify printed barcodes: "Scan this product barcode and look up the item" → decodes the barcode and returns the text for further lookup.
Setup
claude mcp add barcode-scanner-mcp -- npx -y barcode-scanner-mcp
Or with HTTP transport:
# Start the server
MCP_TRANSPORT=http PORT=3000 npx -y barcode-scanner-mcp
# Add to Claude
claude mcp add --transport http barcode-scanner-mcp http://localhost:3000/mcp
Tools
| Tool | Description |
|---|---|
decode_image | Decode a barcode or QR code from an image file or base64 data |
generate_qr | Generate a QR code PNG from text or a URL |
generate_barcode | Generate a barcode PNG in 25+ formats (Code 128, EAN-13, UPC-A, etc.) |
Contributing
Pull requests are welcomed on GitHub! To get started:
- Install Git and Node.js
- Clone the repository
- Install dependencies with
npm install - Run
npm run testto run tests - Build with
npm run build
Releases
Versions follow the semantic versioning spec.
To release:
- Use
npm version <major | minor | patch>to bump the version - Run
git push --follow-tagsto push with tags - Wait for GitHub Actions to publish to the NPM registry.
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