Barcode Tools (decode, render, GTIN validate) for ChatGPT

io.github.appvantagelabs2-a11y/barcode

Decode, render, validate barcodes: QR, DataMatrix, EAN, UPC, PDF417. All tools free, no auth.

client:ChatGPT transport:streamable-http tools:4

Install Barcode Tools (decode, render, GTIN validate) in ChatGPT

Settings → Connectors → Advanced → Developer mode

https://mcp.casuyi.com/mcp

Custom connectors are a paid-plan feature and take a remote URL only. ChatGPT cannot run a packaged server locally. ChatGPT docs