QR Code

live Utilities

Generate and decode QR codes via api.qrserver.com

2 tools

0ms auth

free tier 50 calls/day

Tools

create_qr required: data

Generate a QR code for any text or URL. Returns the image URL — no image is fetched. The URL can be embedded directly in an <img> tag or downloaded.

Parameters

Name Type Description

data req string The text or URL to encode in the QR code.

size opt number Width and height of the QR code image in pixels (default 200).

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Response

read_qr required: url

Decode a QR code from a publicly accessible image URL. Returns the decoded text.

Parameters

Name Type Description

url req string Publicly accessible URL of the QR code image to decode.

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Response

Test with curl

The gateway speaks JSON-RPC 2.0 over HTTP POST. You can test any pack directly from the terminal.

List available tools

bash

curl -X POST https://gateway.pipeworx.io/qrcode/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'

Call a tool

bash

curl -X POST https://gateway.pipeworx.io/qrcode/mcp \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":2,"method":"tools/call","params":{"name":"create_qr","arguments":{"data": "https://pipeworx.io"}}}'

Use with the SDK

Install @pipeworx/sdk to call tools from any TypeScript/Node project.

TypeScript

import { Pipeworx } from '@pipeworx/sdk';
const px = new Pipeworx();
const result = await px.call("create_qr", {"data":"example"});

ask_pipeworx

// Or ask in plain English:
const answer = await px.ask("generate and decode qr codes via api");

Related packs

Other Pipeworx packs in the same categories (Utilities):

MCP Config

claude_desktop_config.json

{
  "mcpServers": {
    "pipeworx-qrcode": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://gateway.pipeworx.io/qrcode/mcp"
      ]
    }
  }
}