Create app.py

app.py

@@ -0,0 +1,73 @@
+import gradio as gr
+import qrcode
+from PIL import Image
+import io
+import base64
+
+def generate_qr_code(text: str, size: str = "medium", error_correction: str = "M") -> dict:
+    """
+    Generate QR code from text/URL
+    
+    Args:
+        text (str): Text or URL to encode
+        size (str): Size of QR code (small, medium, large)
+        error_correction (str): Error correction level (L, M, Q, H)
+    
+    Returns:
+        dict: QR code information with qr_url field containing displayable image
+    """
+    
+    if not text.strip():
+        return {"error": "Input cannot be empty."}
+    
+    size_map = {
+        "small": 5,
+        "medium": 10,
+        "large": 15
+    }
+    
+    error_map = {
+        "L": qrcode.constants.ERROR_CORRECT_L,
+        "M": qrcode.constants.ERROR_CORRECT_M,
+        "Q": qrcode.constants.ERROR_CORRECT_Q,
+        "H": qrcode.constants.ERROR_CORRECT_H
+    }
+    
+    try:
+        qr = qrcode.QRCode(
+            version=1,
+            error_correction=error_map[error_correction],
+            box_size=size_map[size],
+            border=4,
+        )
+        
+        qr.add_data(text)
+        qr.make(fit=True)
+        
+        img = qr.make_image(fill_color="black", back_color="white").convert('RGB')
+        
+        buffer = io.BytesIO()
+        img.save(buffer, format="PNG")
+        img_base64 = base64.b64encode(buffer.getvalue()).decode()
+        
+        return {
+            "qr_code_image": f"data:image/png;base64,{img_base64}",
+            "info": f"QR code generated for: {text}"
+        }
+        
+    except Exception as e:
+        return {"error": f"Failed to generate QR code: {str(e)}"}
+
+if __name__ == "__main__":
+    demo = gr.Interface(
+        fn=generate_qr_code,
+        inputs=[
+            gr.Textbox(placeholder="Enter URL or text to encode..."),
+            gr.Dropdown(["small", "medium", "large"], value="medium", label="Size"),
+            gr.Dropdown(["L", "M", "Q", "H"], value="M", label="Error Correction")
+        ],
+        outputs=gr.JSON(),
+        title="QR Code Generator for Claude",
+        description="Generate QR codes for Claude MCP integration"
+    )
+    demo.launch(mcp_server=True)