[WIP] Create a weather mcp server in .Net C#

WeatherMcp.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{AB7F16E1-ABF4-4D51-B8E2-C725938E46CC}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WeatherMcp", "src\WeatherMcp\WeatherMcp.csproj", "{878DD43B-9F18-413B-A21C-8451EC475A8C}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "tests", "tests", "{FFAC5263-DA7E-4E5B-A2CB-6E4D85F15C25}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WeatherMcp.Tests", "tests\WeatherMcp.Tests\WeatherMcp.Tests.csproj", "{45593BB3-6CA9-4837-A198-A04AAEA702A1}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{878DD43B-9F18-413B-A21C-8451EC475A8C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{878DD43B-9F18-413B-A21C-8451EC475A8C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{878DD43B-9F18-413B-A21C-8451EC475A8C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{878DD43B-9F18-413B-A21C-8451EC475A8C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{45593BB3-6CA9-4837-A198-A04AAEA702A1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{45593BB3-6CA9-4837-A198-A04AAEA702A1}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{45593BB3-6CA9-4837-A198-A04AAEA702A1}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{45593BB3-6CA9-4837-A198-A04AAEA702A1}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(NestedProjects) = preSolution
+		{878DD43B-9F18-413B-A21C-8451EC475A8C} = {AB7F16E1-ABF4-4D51-B8E2-C725938E46CC}
+		{45593BB3-6CA9-4837-A198-A04AAEA702A1} = {FFAC5263-DA7E-4E5B-A2CB-6E4D85F15C25}
+	EndGlobalSection
+EndGlobal

src/WeatherMcp/Program.cs

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+var builder = WebApplication.CreateBuilder(args);
+
+// Add services to the container.
+// Learn more about configuring Swagger/OpenAPI at https://aka.ms/aspnetcore/swashbuckle
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.UseHttpsRedirection();
+
+var summaries = new[]
+{
+    "Freezing", "Bracing", "Chilly", "Cool", "Mild", "Warm", "Balmy", "Hot", "Sweltering", "Scorching"
+};
+
+app.MapGet("/weatherforecast", () =>
+{
+    var forecast =  Enumerable.Range(1, 5).Select(index =>
+        new WeatherForecast
+        (
+            DateOnly.FromDateTime(DateTime.Now.AddDays(index)),
+            Random.Shared.Next(-20, 55),
+            summaries[Random.Shared.Next(summaries.Length)]
+        ))
+        .ToArray();
+    return forecast;
+})
+.WithName("GetWeatherForecast")
+.WithOpenApi();
+
+app.Run();
+
+record WeatherForecast(DateOnly Date, int TemperatureC, string? Summary)
+{
+    public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+}

src/WeatherMcp/Properties/launchSettings.json

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+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:3951",
+      "sslPort": 44386
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "http://localhost:5235",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "applicationUrl": "https://localhost:7120;http://localhost:5235",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "launchUrl": "swagger",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

src/WeatherMcp/WeatherMcp.csproj

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+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="McpToolkit.Server" Version="0.1.3" />
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.17" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
+  </ItemGroup>
+
+</Project>

src/WeatherMcp/WeatherMcp.http

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+@WeatherMcp_HostAddress = http://localhost:5235
+
+GET {{WeatherMcp_HostAddress}}/weatherforecast/
+Accept: application/json
+
+###

src/WeatherMcp/appsettings.Development.json

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+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

src/WeatherMcp/appsettings.json

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+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}

tests/WeatherMcp.Tests/GlobalUsings.cs

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+global using Xunit;

tests/WeatherMcp.Tests/UnitTest1.cs

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+namespace WeatherMcp.Tests;
+
+public class UnitTest1
+{
+    [Fact]
+    public void Test1()
+    {
+
+    }
+}

tests/WeatherMcp.Tests/WeatherMcp.Tests.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+
+    <IsPackable>false</IsPackable>
+    <IsTestProject>true</IsTestProject>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Testing" Version="8.0.11" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.6.0" />
+    <PackageReference Include="xunit" Version="2.4.2" />
+    <PackageReference Include="xunit.runner.visualstudio" Version="2.4.5">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+    <PackageReference Include="coverlet.collector" Version="6.0.0">
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      <PrivateAssets>all</PrivateAssets>
+    </PackageReference>
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\WeatherMcp\WeatherMcp.csproj" />
+  </ItemGroup>
+
+</Project>