Add new samples & update pkg versions

src/FunctionsMcpTool.csproj

@@ -1,6 +1,6 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <AzureFunctionsVersion>v4</AzureFunctionsVersion>
     <OutputType>Exe</OutputType>
     <ImplicitUsings>enable</ImplicitUsings>
@@ -10,13 +10,15 @@
   <ItemGroup>
     <FrameworkReference Include="Microsoft.AspNetCore.App" />
     <PackageReference Include="Microsoft.ApplicationInsights.WorkerService" Version="2.23.0" /> 
-    <PackageReference Include="Microsoft.Azure.Functions.Worker.ApplicationInsights" Version="2.0.0" /> 
-    <PackageReference Include="Microsoft.Azure.Functions.Worker" Version="2.1.0" />
+    <PackageReference Include="Microsoft.Azure.Functions.Worker.ApplicationInsights" Version="2.50.0" /> 
+    <PackageReference Include="Microsoft.Azure.Functions.Worker" Version="2.51.0" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http" Version="3.3.0" />
-    <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http.AspNetCore" Version="2.0.2" />
-    <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Mcp" Version="1.0.0" />
+    <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Http.AspNetCore" Version="2.1.0" />
+    <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Mcp" Version="1.1.0" />
+    <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Mcp.Sdk" Version="1.0.0-preview.2" />
     <PackageReference Include="Microsoft.Azure.Functions.Worker.Extensions.Storage.Blobs" Version="6.8.0" />
-    <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="2.0.5" />
+    <PackageReference Include="Microsoft.Azure.Functions.Worker.Sdk" Version="2.0.7" />
+    <PackageReference Include="QRCoder" Version="1.7.0" />
   </ItemGroup>
   <ItemGroup>
     <None Update="host.json">

src/Program.cs

@@ -16,6 +16,6 @@
 // input bindings:
 builder
     .ConfigureMcpTool(GetSnippetToolName)
-    .WithProperty(SnippetNamePropertyName, PropertyType, SnippetNamePropertyDescription, required: true);
+    .WithProperty(SnippetNamePropertyName, McpToolPropertyType.String, SnippetNamePropertyDescription, required: true);
 
 builder.Build().Run();

src/QRCodeTool.cs

@@ -0,0 +1,33 @@
+using Microsoft.Azure.Functions.Worker;
+using Microsoft.Azure.Functions.Worker.Extensions.Mcp;
+using Microsoft.Extensions.Logging;
+using ModelContextProtocol.Protocol;
+using QRCoder;
+
+namespace FunctionsSnippetTool;
+
+public class QRCodeTool(ILogger<QRCodeTool> logger)
+{
+    [Function(nameof(GenerateQRCode))]
+    public ImageContentBlock GenerateQRCode(
+        [McpToolTrigger(nameof(GenerateQRCode), "Generates a QR code for the provided text or URL.")] 
+            ToolInvocationContext context,
+        [McpToolProperty(nameof(data), "Text or URL to encode", true)]
+            string data)
+    {
+        logger.LogInformation("Generating QR code for: {Data}", data);
+
+        using var qrGenerator = new QRCodeGenerator();
+        using var qrCodeData = qrGenerator.CreateQrCode(data, QRCodeGenerator.ECCLevel.Q);
+        using var qrCode = new PngByteQRCode(qrCodeData);
+
+        var qrCodeBytes = qrCode.GetGraphic(20);
+        var base64Data = Convert.ToBase64String(qrCodeBytes);
+
+        return new ImageContentBlock 
+        { 
+            Data = base64Data, 
+            MimeType = "image/png" 
+        };
+    }
+}

src/SnippetsTool.cs

@@ -1,12 +1,15 @@
 using Microsoft.Azure.Functions.Worker;
 using Microsoft.Azure.Functions.Worker.Extensions.Mcp;
+using ModelContextProtocol.Protocol;
 using static FunctionsSnippetTool.ToolsInformation;
 
 namespace FunctionsSnippetTool;
 
 public class SnippetsTool()
 {
     private const string BlobPath = "snippets/{mcptoolargs." + SnippetNamePropertyName + "}.json";
+    private const string BlobPathCompare1 = "snippets/{mcptoolargs." + FirstSnippetPropertyName + "}.json";
+    private const string BlobPathCompare2 = "snippets/{mcptoolargs." + SecondSnippetPropertyName + "}.json";
 
     [Function(nameof(GetSnippet))]
     public object GetSnippet(
@@ -31,4 +34,87 @@ string snippet
     {
         return snippet;
     }
+
+    [Function(nameof(CompareSnippets))]
+    public IList<ContentBlock> CompareSnippets(
+        [McpToolTrigger(CompareSnippetsToolName, CompareSnippetsToolDescription)]
+            ToolInvocationContext context,
+        [McpToolProperty(FirstSnippetPropertyName, FirstSnippetPropertyDescription, true)]
+            string snippet1,
+        [McpToolProperty(SecondSnippetPropertyName, SecondSnippetPropertyDescription, true)]
+            string snippet2,
+        [BlobInput(BlobPathCompare1)] string? content1,
+        [BlobInput(BlobPathCompare2)] string? content2
+    )
+    {
+        var lines1 = content1?.Split('\n').Length ?? 0;
+        var lines2 = content2?.Split('\n').Length ?? 0;
+        var chars1 = content1?.Length ?? 0;
+        var chars2 = content2?.Length ?? 0;
+        var charDiff = chars2 - chars1;
+
+        var diff = GenerateDiff(content1 ?? "", content2 ?? "");
+
+        return new List<ContentBlock>
+        {
+            new TextContentBlock
+            {
+                Text = $"## Comparison: {snippet1} vs {snippet2}\n\n" +
+                       $"**{snippet1}:** {lines1} lines, {chars1} characters\n" +
+                       $"**{snippet2}:** {lines2} lines, {chars2} characters\n" +
+                       $"**Difference:** {(charDiff > 0 ? "+" : "")}{charDiff} characters\n\n" +
+                       $"### Unified Diff\n```diff\n{diff}\n```"
+            },
+            new TextContentBlock
+            {
+                Text = content1 is not null
+                    ? $"### Content of {snippet1}\n```{content1}\n```"
+                    : $"### Content of {snippet1} not found."
+            },
+            new TextContentBlock
+            {
+                Text = content2 is not null
+                    ? $"### Content of {snippet2}\n```{content2}\n```"
+                    : $"### Content of {snippet2} not found."
+            }
+        };
+    }
+
+    private static string GenerateDiff(string content1, string content2)
+    {
+        var lines1 = content1.Split('\n');
+        var lines2 = content2.Split('\n');
+        var result = new System.Text.StringBuilder();
+        var maxLines = Math.Max(lines1.Length, lines2.Length);
+
+        for (int i = 0; i < maxLines; i++)
+        {
+            var line1 = i < lines1.Length ? lines1[i] : null;
+            var line2 = i < lines2.Length ? lines2[i] : null;
+
+            if (line1 == line2)
+            {
+                // Same line
+                result.AppendLine($"  {line1}");
+            }
+            else if (line1 is not null && line2 is not null)
+            {
+                // Modified line
+                result.AppendLine($"- {line1}");
+                result.AppendLine($"+ {line2}");
+            }
+            else if (line1 is not null)
+            {
+                // Removed line
+                result.AppendLine($"- {line1}");
+            }
+            else if (line2 is not null)
+            {
+                // Added line
+                result.AppendLine($"+ {line2}");
+            }
+        }
+
+        return result.ToString().TrimEnd();
+    }
 }

src/ToolsInformation.cs

@@ -12,8 +12,14 @@ internal sealed class ToolsInformation
     public const string SnippetPropertyName = "snippet";
     public const string SnippetNamePropertyDescription = "The name of the snippet.";
     public const string SnippetPropertyDescription = "The code snippet.";
-    public const string PropertyType = "string";
     public const string HelloToolName = "hello";
     public const string HelloToolDescription =
         "Simple hello world MCP Tool that responses with a hello message.";
+    public const string CompareSnippetsToolName = "compare_snippets";
+    public const string CompareSnippetsToolDescription =
+        "Compares two code snippets side by side with statistics.";
+    public const string FirstSnippetPropertyName = "snippet1";
+    public const string FirstSnippetPropertyDescription = "Name of the first snippet to compare.";
+    public const string SecondSnippetPropertyName = "snippet2";
+    public const string SecondSnippetPropertyDescription = "Name of the second snippet to compare.";
 }