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Barcode Generator API

br0ski777/barcode-generator-x402

Generates barcodes in multiple formats including EAN-13, UPC-A, Code128, and Code39, returning them as SVG for easy integration into web apps or documents. The server runs remotely via SSE transport and uses the x402 micropayment system, so you'll need to handle payment integration. Reach for this when you need programmatic barcode generation without installing local dependencies or managing image libraries. The GitHub repo is minimal on documentation, but the API appears straightforward: request a barcode type and data, get back an SVG. Useful for e-commerce systems, inventory management, or any application that needs to generate scannable codes on the fly.

tool
1
transport
SSE
last updated
May 16, 2026
View on GitHub

Tools

1 tools

Public tool metadata for what this MCP can expose to an agent.

utility_generate_barcodeUse this when you need to generate a barcode from text or a number. Returns base64-encoded SVG image in JSON. Returns: 1. image (base64 SVG string) 2. format used (code128/code39/ean13/upca) 3. data4 params

Use this when you need to generate a barcode from text or a number. Returns base64-encoded SVG image in JSON. Returns: 1. image (base64 SVG string) 2. format used (code128/code39/ean13/upca) 3. data

Parameters* required
datastring
Data to encode in the barcode
formatstring
Barcode format: code128, code39, ean13, upca (default: code128)
heightnumber
Barcode height in pixels (default: 100)
widthnumber
Bar width in pixels (default: 2)

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Readme

Barcode Generator API

MCP Server x402 License: MIT

Generate barcodes -- EAN-13, UPC-A, Code128, Code39. Base64 SVG output, custom width and height. Pay-per-call via x402 (USDC on Base L2) -- no API key, no signup, no rate-limit wall.

Part of the klymax402 marketplace -- 100 x402 micropayment APIs for AI agents, one wallet, USDC on Base.

Quickstart -- MCP

Add to your MCP client config (Claude Desktop, Cursor, ElizaOS, etc.):

{
  "mcpServers": {
    "barcode-generator": {
      "url": "https://barcode-generator.api.klymax402.com/mcp"
    }
  }
}

Quickstart -- HTTP (x402)

curl -X POST "https://barcode-generator.api.klymax402.com/api/barcode" \
  -H "Content-Type: application/json" \
  -d '{"data":"..."}'
# -> 402 Payment Required, with an x402 payment challenge in the response body

View the full README on GitHub

Details

Repository
github.com/br0ski777/barcode-generator-x402
Website
github.com/Br0ski777/barcode-generator-x402
Category
Design & Creative
Transport
SSE
Registry
MCP registry, active

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