QR Code & Barcode Scanner for LangChain
io.github.qrcode-ai-com/qrcode-barcode-scanner
Local MCP server for QR and barcode image scanning, preserved payload bytes and QR diagnostics.
client:LangChain
transport:stdio
runtime:npm
Install QR Code & Barcode Scanner in LangChain
pip install langchain-mcp-adapters
from langchain_mcp_adapters.client import MultiServerMCPClient
client = MultiServerMCPClient({
"qrcode-barcode-scanner": {
"transport": "stdio",
"command": "npx",
"args": ["-y", "@qrcode-ai-com/qrcode-barcode-scanner-mcp"],
}
})
tools = await client.get_tools()
get_tools() returns the server's tools as LangChain tools, ready for an agent. LangChain docs