QRMint by Harlo MCP Server

by workers-mike-tusa-qrmint Your server? Claim it

answering

QRMint by Harlo is answering right now. Last checked 15 min ago. It exposes 4 tools.

Static QR codes and 1-D barcodes (Code 128, EAN-13, UPC-A, EAN-8) as SVG, PNG or data URL.

Uptime history 22 hours of history

22 hours agonow

100.0%

Uptime 24h

81 of 81 checks

Tools

read from the server

99 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check QRMint by Harlo every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 15 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add qrmint --transport http https://qrmint.mike-tusa.workers.dev/mcp

Settings → Connectors → Add custom connector, then paste this address

https://qrmint.mike-tusa.workers.dev/mcp

~/.codex/config.toml

[mcp_servers.qrmint]
url = "https://qrmint.mike-tusa.workers.dev/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "qrmint": {
      "url": "https://qrmint.mike-tusa.workers.dev/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "qrmint": {
      "type": "http",
      "url": "https://qrmint.mike-tusa.workers.dev/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

barcode

barcode_generate

Code 128, EAN-13, UPC-A or EAN-8 as SVG/PNG/data URL. EAN/UPC: pass digits without check digit to have it added, or with it to verify. Static codes only: no redirects, no dynamic/editable codes, no scan analytics. EAN/UPC output is format-valid (check digit) and is NOT GS1 registration. Scannability is not guaranteed (contrast, print size, quiet zone and reader all matter).

generate

qr_generate

Generate a static QR code as SVG (default, up to 2000 px), PNG base64 or data URL (up to 1024 px) from data or a payload object. Bulk (/v1/qr/bulk, ≤50) is SVG-only, ≤256 bytes per item. Static codes only: no redirects, no dynamic/editable codes, no scan analytics. EAN/UPC output is format-valid (check digit) and is NOT GS1 registration. Scannability is not guaranteed (contrast, print size, quiet zone and reader all matter).

inspect

qr_inspect

Return QR version, ECC, module count, capacity used % and quiet-zone/density warnings for data. No image.

payload

qr_payload_build

Build and validate a QR payload string for type text/url/wifi/vcard/mailto/tel/sms/geo (e.g. {"type":"wifi","ssid":"Cafe","password":"..."}). Returns the string only.

Endpoints

URL	Transport	State	Latency	Checked
https://qrmint.mike-tusa.workers.dev/mcp	streamable-http	answering	50 ms	15 min ago

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QRMint by Harlo — questions

Answers built from our own checks of this server.

What can QRMint by Harlo do?

It exposes 4 tools, read directly from the server on our last check. Among them: barcode_generate, qr_generate, qr_inspect, qr_payload_build. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is QRMint by Harlo working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 81 of 81 checks got a reply (100.0%), average response time 99 ms. The bar chart above shows every period we have measured.

How do I connect QRMint by Harlo?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does QRMint by Harlo need an API key?

No. QRMint by Harlo completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is QRMint by Harlo?

It answers our handshake in 99 ms on average, which is faster than 92% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.