jwalsh_mcp-server-qrcode

jwalsh_mcp-server-qrcode

3.2

If you are the rightful owner of jwalsh_mcp-server-qrcode and would like to certify it and/or have it hosted online, please leave a comment on the right or send an email to henry@mcphub.com.

The MCP QR Code Server enables seamless QR code generation using the Model Context Protocol (MCP), connecting large language models to QR code generation capabilities across multiple client interfaces.

#+TITLE: MCP QR Code Server

  • Overview Generate QR codes seamlessly using the Model Context Protocol (MCP). This server connects large language models to QR code generation capabilities across multiple client interfaces.

  • Features

  • Generate QR codes for multiple content types:
    • URLs and website links
    • WiFi network credentials
    • Contact information (vCard)
    • Plain text
    • Calendar events (iCal)
  • Multiple output formats:
    • PNG images (base64-encoded)
    • ASCII/text representation
    • Data URL format
  • Customization options:
    • Size adjustment (100-1000px)
    • Error correction levels (L, M, Q, H)
    • Format selection (image, text)
  • Quick Examples

#+begin_example Please generate a QR code for https://example.com #+end_example

#+begin_example Generate a QR code for the Wi-Fi network "GuestWiFi" with password "Welcome123" #+end_example

#+begin_example Create a QR code for my contact information: Name: John Doe Email: Phone: 555-123-4567 #+end_example

  • Installation

#+begin_src bash npm install -g @jwalsh/mcp-server-qrcode #+end_src

  • Usage

** Claude Desktop #+begin_src json { "mcpServers": { "qrcode": { "command": "npx", "args": [ "-y", "@jwalsh/mcp-server-qrcode" ] } } } #+end_src

For detailed setup instructions, please refer to:

** Claude Desktop

#+begin_src json { "mcpServers": { "qrcode": { "args": [ "-y", "@jwalsh/mcp-server-qrcode" ], "command": "npx" } } } #+end_src

** Emacs with mcp.el #+begin_src elisp :results silent ;; Basic installation with straight.el (use-package mcp :straight (mcp :type git :host github :repo "lizqwerscott/mcp.el")) #+end_src

#+begin_src elisp :results silent ;; Connect to the QR code server (mcp-connect-server "qrcode" "npx" '("-y" "@jwalsh/mcp-server-qrcode") :initial-callback (lambda (connection) (message "Connected to %s" (jsonrpc-name connection))) :tools-callback (lambda (connection tools) (message "Available tools: %s" tools))) #+end_src

#+begin_src elisp :results raw :wrap example ;; Generate a QR code (let ((connection (gethash "qrcode" mcp-server-connections))) (mcp-call-tool connection "generate-qrcode" '(:content "https://example.com" :format "text"))) #+end_src

#+RESULTS: #+begin_example (:content [(:type text :text QR Code for "https://example.com":

ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–„ā–„ā–„ā–„ā–„ ā–ˆā–„ā–€ ā–ˆ ā–€ ā–ˆā–€ā–ˆ ā–„ā–„ā–„ā–„ā–„ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–ˆ ā–ˆ ā–ˆā–„ ā–„ā–ˆā–€ ā–€ā–ˆā–„ā–ˆ ā–ˆ ā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–„ā–„ā–„ā–ˆ ā–ˆā–€ ā–ˆ ā–€ā–ˆ ā–ˆā–ˆā–ˆ ā–ˆā–„ā–„ā–„ā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–„ā–„ā–„ā–„ā–„ā–„ā–„ā–ˆā–„ā–€ā–„ā–ˆ ā–ˆ ā–€ ā–ˆā–„ā–„ā–„ā–„ā–„ā–„ā–„ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–€ā–„ā–€ā–€ā–€ā–„ā–„ā–€ā–€ ā–„ā–€ā–„ā–€ā–€ ā–ˆā–€ā–„ā–€ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–„ā–€ā–ˆā–„ā–€ ā–„ā–„ā–€ ā–€ā–€ā–ˆā–„ā–€ā–„ā–ˆā–€ā–„ ā–„ā–ˆā–„ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–ˆā–€ā–€ā–„ ā–„ā–„ā–„ ā–€ ā–ˆ ā–„ā–ˆ ā–ˆ ā–ˆā–ˆā–ˆā–€ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–„ā–„ā–„ā–ˆā–„ā–„ā–„ā–€ā–„ā–€ā–ˆā–€ ā–„ ā–„ ā–„ā–€ā–€ ā–„ā–ˆā–„ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–„ā–„ā–ˆā–ˆā–„ā–ˆā–„ā–„ā–€ā–„ā–ˆā–ˆā–ˆ ā–ˆ ā–„ā–„ā–„ ā–ˆā–ˆā–„ā–€ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–„ā–„ā–„ā–„ā–„ ā–ˆā–„ā–ˆā–„ā–„ā–ˆā–€ā–ˆā–€ ā–ˆā–„ā–ˆ ā–ˆā–ˆā–€ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–ˆ ā–ˆ ā–ˆā–ˆ ā–ˆā–„ ā–„ā–ˆā–„ā–„ ā–„ā–„ ā–ˆā–€ ā–„ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–„ā–„ā–„ā–ˆ ā–ˆā–„ ā–ˆā–€ ā–„ ā–€ ā–„ā–ˆā–„ā–„ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–„ā–„ā–„ā–„ā–„ā–„ā–„ā–ˆā–„ā–„ā–„ā–ˆā–ˆā–„ā–„ā–ˆā–„ā–ˆā–„ā–ˆā–ˆā–„ā–ˆā–ˆā–„ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆ )]) #+end_example

** MCP Inspector

#+begin_src bash npx -y @modelcontextprotocol/inspector npx -y @jwalsh/mcp-server-qrcode #+end_src

** NPM Package CLI

#+begin_src bash

Verify installation

echo '{"method":"tools/list","params":{},"id":1,"jsonrpc":"2.0"}' | mcp-server-qrcode | jq -r '.result.tools[]|.name' #+end_src

#+RESULTS: : generate-qrcode

#+begin_src bash :results raw :results raw

Generate QR code via JSON-RPC

echo '{"method":"tools/call","params":{"name":"generate-qrcode","arguments":{"content":"https://example.com","format":"text"}},"id":1,"jsonrpc":"2.0"}' | mcp-server-qrcode | jq -r '.result.content[0].text' #+end_src

#+RESULTS: QR Code for "https://example.com":

ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–„ā–„ā–„ā–„ā–„ ā–ˆā–„ā–€ ā–ˆ ā–€ ā–ˆā–€ā–ˆ ā–„ā–„ā–„ā–„ā–„ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–ˆ ā–ˆ ā–ˆā–„ ā–„ā–ˆā–€ ā–€ā–ˆā–„ā–ˆ ā–ˆ ā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–„ā–„ā–„ā–ˆ ā–ˆā–€ ā–ˆ ā–€ā–ˆ ā–ˆā–ˆā–ˆ ā–ˆā–„ā–„ā–„ā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–„ā–„ā–„ā–„ā–„ā–„ā–„ā–ˆā–„ā–€ā–„ā–ˆ ā–ˆ ā–€ ā–ˆā–„ā–„ā–„ā–„ā–„ā–„ā–„ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–€ā–„ā–€ā–€ā–€ā–„ā–„ā–€ā–€ ā–„ā–€ā–„ā–€ā–€ ā–ˆā–€ā–„ā–€ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–„ā–€ā–ˆā–„ā–€ ā–„ā–„ā–€ ā–€ā–€ā–ˆā–„ā–€ā–„ā–ˆā–€ā–„ ā–„ā–ˆā–„ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–ˆā–€ā–€ā–„ ā–„ā–„ā–„ ā–€ ā–ˆ ā–„ā–ˆ ā–ˆ ā–ˆā–ˆā–ˆā–€ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–„ā–„ā–„ā–ˆā–„ā–„ā–„ā–€ā–„ā–€ā–ˆā–€ ā–„ ā–„ ā–„ā–€ā–€ ā–„ā–ˆā–„ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–„ā–„ā–ˆā–ˆā–„ā–ˆā–„ā–„ā–€ā–„ā–ˆā–ˆā–ˆ ā–ˆ ā–„ā–„ā–„ ā–ˆā–ˆā–„ā–€ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–„ā–„ā–„ā–„ā–„ ā–ˆā–„ā–ˆā–„ā–„ā–ˆā–€ā–ˆā–€ ā–ˆā–„ā–ˆ ā–ˆā–ˆā–€ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–ˆ ā–ˆ ā–ˆā–ˆ ā–ˆā–„ ā–„ā–ˆā–„ā–„ ā–„ā–„ ā–ˆā–€ ā–„ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–„ā–„ā–„ā–ˆ ā–ˆā–„ ā–ˆā–€ ā–„ ā–€ ā–„ā–ˆā–„ā–„ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–„ā–„ā–„ā–„ā–„ā–„ā–„ā–ˆā–„ā–„ā–„ā–ˆā–ˆā–„ā–„ā–ˆā–„ā–ˆā–„ā–ˆā–ˆā–„ā–ˆā–ˆā–„ā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆ ā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆā–ˆ

  • Developer Documentation For detailed setup, installation, contribution guidelines, and additional integration methods, please refer to [[file:DEVELOPERS.org][DEVELOPERS.org]].