feat: Using MCP's SSE transport
This commit is contained in:
geffzhang
parent
c2de647b7a
commit
58e3e7fba7
22
BotSharp.sln
22
BotSharp.sln
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@ -129,12 +129,12 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.Plugin.DeepSeekAI"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.MCP", "src\Infrastructure\BotSharp.MCP\BotSharp.MCP.csproj", "{684781D5-3DD4-6A0B-B53F-0A362CD6BB0C}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.PizzaBot.MCPServer", "tests\BotSharp.PizzaBot.MCPServer\BotSharp.PizzaBot.MCPServer.csproj", "{8D2AD45F-836A-516F-DE6A-71443CEBB18A}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.Core.Realtime", "src\Infrastructure\BotSharp.Core.Realtime\BotSharp.Core.Realtime.csproj", "{781F1465-365C-0F22-1775-25025DAFA4C7}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "mcpdotnet", "..\mcpdotnet\src\mcpdotnet\mcpdotnet.csproj", "{32D455C9-C7CF-928B-F878-8EAF0198328E}"
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EndProject
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Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.PizzaBot.MCPServer", "tests\BotSharp.PizzaBot.MCPServer\BotSharp.PizzaBot.MCPServer.csproj", "{8D2AD45F-836A-516F-DE6A-71443CEBB18A}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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@ -535,14 +535,6 @@ Global
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{684781D5-3DD4-6A0B-B53F-0A362CD6BB0C}.Release|Any CPU.Build.0 = Release|Any CPU
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{684781D5-3DD4-6A0B-B53F-0A362CD6BB0C}.Release|x64.ActiveCfg = Release|Any CPU
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{684781D5-3DD4-6A0B-B53F-0A362CD6BB0C}.Release|x64.Build.0 = Release|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|x64.ActiveCfg = Debug|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|x64.Build.0 = Debug|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|Any CPU.Build.0 = Release|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|x64.ActiveCfg = Release|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|x64.Build.0 = Release|Any CPU
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{781F1465-365C-0F22-1775-25025DAFA4C7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{781F1465-365C-0F22-1775-25025DAFA4C7}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{781F1465-365C-0F22-1775-25025DAFA4C7}.Debug|x64.ActiveCfg = Debug|Any CPU
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@ -559,6 +551,14 @@ Global
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{32D455C9-C7CF-928B-F878-8EAF0198328E}.Release|Any CPU.Build.0 = Release|Any CPU
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{32D455C9-C7CF-928B-F878-8EAF0198328E}.Release|x64.ActiveCfg = Release|Any CPU
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{32D455C9-C7CF-928B-F878-8EAF0198328E}.Release|x64.Build.0 = Release|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|x64.ActiveCfg = Debug|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|x64.Build.0 = Debug|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|Any CPU.Build.0 = Release|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|x64.ActiveCfg = Release|Any CPU
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|x64.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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@ -621,9 +621,9 @@ Global
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{AFD64412-4D6A-452E-82A2-79E5D8842E29} = {E29DC6C4-5E57-48C5-BCB0-6B8F84782749}
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{AF329442-B48E-4B48-A18A-1C869D1BA6F5} = {D5293208-2BEF-42FC-A64C-5954F61720BA}
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{684781D5-3DD4-6A0B-B53F-0A362CD6BB0C} = {E29DC6C4-5E57-48C5-BCB0-6B8F84782749}
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A} = {32FAFFFE-A4CB-4FEE-BF7C-84518BBC6DCC}
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{781F1465-365C-0F22-1775-25025DAFA4C7} = {E29DC6C4-5E57-48C5-BCB0-6B8F84782749}
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{32D455C9-C7CF-928B-F878-8EAF0198328E} = {32FAFFFE-A4CB-4FEE-BF7C-84518BBC6DCC}
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{8D2AD45F-836A-516F-DE6A-71443CEBB18A} = {32FAFFFE-A4CB-4FEE-BF7C-84518BBC6DCC}
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {A9969D89-C98B-40A5-A12B-FC87E55B3A19}
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@ -111,6 +111,7 @@
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<PackageVersion Include="MSTest.TestFramework" Version="3.1.1" />
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<PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
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<PackageVersion Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
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<PackageVersion Include="System.Net.ServerSentEvents" Version="10.0.0-preview.1.25080.5" />
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</ItemGroup>
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<ItemGroup>
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<PackageVersion Include="BotSharp.Logger" Version="$(BotSharpVersion)" />
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@ -15,6 +15,7 @@
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\tests\BotSharp.PizzaBot.MCPServer\BotSharp.PizzaBot.MCPServer.csproj" />
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<ProjectReference Include="..\BotSharp.ServiceDefaults\BotSharp.ServiceDefaults.csproj" />
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<ProjectReference Include="..\WebStarter\WebStarter.csproj" />
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</ItemGroup>
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@ -2,6 +2,8 @@ var builder = DistributedApplication.CreateBuilder(args);
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var apiService = builder.AddProject<Projects.WebStarter>("apiservice")
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.WithExternalHttpEndpoints();
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var mcpService = builder.AddProject<Projects.BotSharp_PizzaBot_MCPServer>("mcpservice")
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.WithExternalHttpEndpoints();
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builder.AddNpmApp("BotSharpUI", "../../../BotSharp-UI")
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.WithReference(apiService)
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@ -27,7 +27,6 @@
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\tests\BotSharp.PizzaBot.MCPServer\BotSharp.PizzaBot.MCPServer.csproj" />
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<ProjectReference Include="..\..\tests\BotSharp.Plugin.PizzaBot\BotSharp.Plugin.PizzaBot.csproj" />
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<ProjectReference Include="..\BotSharp.ServiceDefaults\BotSharp.ServiceDefaults.csproj" />
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<ProjectReference Include="..\Infrastructure\BotSharp.MCP\BotSharp.MCP.csproj" />
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@ -182,11 +182,9 @@
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{
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"Id": "PizzaServer",
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"Name": "PizzaServer",
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"TransportType": "stdio",
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"TransportOptions": {
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"command": "BotSharp.PizzaBot.MCPServer.exe",
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"workingDirectory": "E:\\GitHub\\BotSharp\\src\\WebStarter\\bin\\Debug\\net8.0"
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}
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"TransportType": "sse",
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"TransportOptions": [],
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"Location": "http://localhost:58905/sse"
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}
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]
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},
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@ -1,7 +1,6 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<Project Sdk="Microsoft.NET.Sdk.Web">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<LangVersion>12.0</LangVersion>
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@ -12,6 +11,7 @@
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<PackageReference Include="Microsoft.Extensions.Logging" />
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<PackageReference Include="Serilog.Extensions.Logging" />
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<PackageReference Include="Serilog.Sinks.File" />
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<PackageReference Include="System.Net.ServerSentEvents" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\..\..\mcpdotnet\src\mcpdotnet\mcpdotnet.csproj" />
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@ -0,0 +1,62 @@
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using McpDotNet.Protocol.Messages;
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using McpDotNet.Server;
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using McpDotNet.Utils.Json;
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using Microsoft.Extensions.Options;
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namespace BotSharp.PizzaBot.MCPServer;
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public static class McpEndpointRouteBuilderExtensions
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{
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public static IEndpointConventionBuilder MapMcpSse(this IEndpointRouteBuilder endpoints)
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{
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IMcpServer? server = null;
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SseServerStreamTransport? transport = null;
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var loggerFactory = endpoints.ServiceProvider.GetRequiredService<ILoggerFactory>();
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var mcpServerOptions = endpoints.ServiceProvider.GetRequiredService<IOptions<McpServerOptions>>();
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var routeGroup = endpoints.MapGroup("");
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routeGroup.MapGet("/sse", async (HttpResponse response, CancellationToken requestAborted) =>
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{
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await using var localTransport = transport = new SseServerStreamTransport(response.Body);
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await using var localServer = server = McpServerFactory.Create(transport, mcpServerOptions.Value, loggerFactory, endpoints.ServiceProvider);
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await localServer.StartAsync(requestAborted);
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response.Headers.ContentType = "text/event-stream";
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response.Headers.CacheControl = "no-cache";
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try
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{
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await transport.RunAsync(requestAborted);
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}
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catch (OperationCanceledException) when (requestAborted.IsCancellationRequested)
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{
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// RequestAborted always triggers when the client disconnects before a complete response body is written,
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// but this is how SSE connections are typically closed.
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}
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});
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routeGroup.MapPost("/message", async (HttpContext context) =>
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{
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if (transport is null)
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{
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await Results.BadRequest("Connect to the /sse endpoint before sending messages.").ExecuteAsync(context);
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return;
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}
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var message = await context.Request.ReadFromJsonAsync<IJsonRpcMessage>(JsonSerializerOptionsExtensions.DefaultOptions, context.RequestAborted);
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if (message is null)
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{
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await Results.BadRequest("No message in request body.").ExecuteAsync(context);
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return;
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}
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await transport.OnMessageReceivedAsync(message, context.RequestAborted);
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context.Response.StatusCode = StatusCodes.Status202Accepted;
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await context.Response.WriteAsync("Accepted");
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});
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return routeGroup;
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}
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}
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@ -1,233 +1,236 @@
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using McpDotNet.Protocol.Messages;
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using McpDotNet.Protocol.Transport;
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using McpDotNet.Protocol.Types;
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using McpDotNet.Server;
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using Microsoft.Extensions.Logging;
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using Serilog;
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using System.Dynamic;
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using System.Text;
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using System.Text.Json;
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using BotSharp.PizzaBot.MCPServer;
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using McpDotNet;
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namespace BotSharp.PizzaBot.MCPServer
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{
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internal class Program
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{
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private static HashSet<string> _subscribedResources = new();
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private static readonly object _subscribedResourcesLock = new();
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var builder = WebApplication.CreateBuilder(args);
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builder.Services.AddMcpServer().WithTools();
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var app = builder.Build();
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private static async Task Main(string[] args)
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{
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Console.WriteLine("Starting server...");
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app.MapGet("/", () => "This is a test server with only stub functionality!");
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app.MapMcpSse();
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McpServerOptions options = new McpServerOptions()
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{
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ServerInfo = new Implementation() { Name = "PizzaServer", Version = "1.0.0" },
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Capabilities = new ServerCapabilities()
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{
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Tools = ConfigureTools(),
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},
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ProtocolVersion = "2024-11-05",
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ServerInstructions = "This is a test server with only stub functionality"
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};
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var loggerFactory = CreateLoggerFactory();
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await using IMcpServer server = McpServerFactory.Create(new StdioServerTransport("TestServer", loggerFactory), options, loggerFactory);
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Log.Logger.Information("Server initialized.");
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app.Run();
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await server.StartAsync();
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Log.Logger.Information("Server started.");
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//namespace BotSharp.PizzaBot.MCPServer
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//{
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// internal class Program
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// {
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// private static HashSet<string> _subscribedResources = new();
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// private static readonly object _subscribedResourcesLock = new();
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// Run until process is stopped by the client (parent process)
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while (true)
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{
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await Task.Delay(5000);
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// private static async Task Main(string[] args)
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// {
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// Console.WriteLine("Starting server...");
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// Snapshot the subscribed resources, rather than locking while sending notifications
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List<string> resources;
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lock (_subscribedResourcesLock)
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{
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resources = _subscribedResources.ToList();
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}
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// McpServerOptions options = new McpServerOptions()
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// {
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// ServerInfo = new Implementation() { Name = "PizzaServer", Version = "1.0.0" },
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// Capabilities = new ServerCapabilities()
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// {
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// Tools = ConfigureTools(),
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// },
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// ProtocolVersion = "2024-11-05",
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// ServerInstructions = "This is a test server with only stub functionality"
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// };
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// var loggerFactory = CreateLoggerFactory();
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// await using IMcpServer server = McpServerFactory.Create(new StdioServerTransport("TestServer", loggerFactory), options, loggerFactory);
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// Log.Logger.Information("Server initialized.");
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foreach (var resource in resources)
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{
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ResourceUpdatedNotificationParams notificationParams = new() { Uri = resource };
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await server.SendMessageAsync(new JsonRpcNotification()
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{
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Method = NotificationMethods.ResourceUpdatedNotification,
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Params = notificationParams
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});
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}
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}
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}
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// await server.StartAsync();
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private static ToolsCapability ConfigureTools()
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{
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return new()
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{
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ListToolsHandler = (request, cancellationToken) =>
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{
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return Task.FromResult(new ListToolsResult()
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{
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Tools = [
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new Tool()
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{
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Name = "make_payment",
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Description = "call this function to make payment",
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InputSchema = new JsonSchema()
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{
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Type = "object",
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Properties = new Dictionary<string, JsonSchemaProperty>()
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{
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["order_number"] = new JsonSchemaProperty() { Type = "string", Description = "order number." },
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["total_amount"] = new JsonSchemaProperty() { Type = "string", Description = "total amount." },
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},
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Required = new List<string>() { "order_number", "total_amount" }
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},
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},
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new Tool()
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{
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Name = "get_pizza_prices",
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Description = "call this function to get pizza unit price",
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InputSchema = new JsonSchema()
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{
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Type = "object",
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Properties = new Dictionary<string, JsonSchemaProperty>()
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{
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["pizza_type"] = new JsonSchemaProperty() { Type = "string", Description = "The pizza type." },
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["quantity"] = new JsonSchemaProperty() { Type = "string", Description = "quantity of pizza." },
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// Log.Logger.Information("Server started.");
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},
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Required = new List<string>(){ "pizza_type", "quantity" }
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}
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},
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new Tool()
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{
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Name = "place_an_order",
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Description = "Place an order when user has confirmed the pizza type and quantity.",
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InputSchema = new JsonSchema()
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{
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Type = "object",
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Properties = new Dictionary<string, JsonSchemaProperty>()
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{
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["pizza_type"] = new JsonSchemaProperty() { Type = "string", Description = "The pizza type." },
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["quantity"] = new JsonSchemaProperty() { Type = "number", Description = "quantity of pizza." },
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["unit_price"] = new JsonSchemaProperty() { Type = "number", Description = "pizza unit price" },
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// // Run until process is stopped by the client (parent process)
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// while (true)
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// {
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// await Task.Delay(5000);
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},
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Required = new List<string>(){"pizza_type", "quantity", "unit_price" }
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}
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}
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]
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});
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},
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// // Snapshot the subscribed resources, rather than locking while sending notifications
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// List<string> resources;
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// lock (_subscribedResourcesLock)
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// {
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// resources = _subscribedResources.ToList();
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// }
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CallToolHandler = async (request, cancellationToken) =>
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{
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if (request.Params.Name == "make_payment")
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{
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if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("order_number", out var order_number))
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{
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throw new McpServerException("Missing required argument 'order_number'");
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}
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if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("total_amount", out var total_amount))
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{
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throw new McpServerException("Missing required argument 'total_amount'");
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}
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//dynamic message = new ExpandoObject();
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//message.Transaction = Guid.NewGuid().ToString();
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//message.Status = "Success";
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// foreach (var resource in resources)
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// {
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// ResourceUpdatedNotificationParams notificationParams = new() { Uri = resource };
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// await server.SendMessageAsync(new JsonRpcNotification()
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// {
|
||||
// Method = NotificationMethods.ResourceUpdatedNotification,
|
||||
// Params = notificationParams
|
||||
// });
|
||||
// }
|
||||
// }
|
||||
// }
|
||||
|
||||
//// Serialize the message to JSON
|
||||
//var jso = new JsonSerializerOptions() { WriteIndented = true };
|
||||
//var jsonMessage = JsonSerializer.Serialize(message, jso);
|
||||
// private static ToolsCapability ConfigureTools()
|
||||
// {
|
||||
// return new()
|
||||
// {
|
||||
// ListToolsHandler = (request, cancellationToken) =>
|
||||
// {
|
||||
// return Task.FromResult(new ListToolsResult()
|
||||
// {
|
||||
// Tools = [
|
||||
// new Tool()
|
||||
// {
|
||||
// Name = "make_payment",
|
||||
// Description = "call this function to make payment",
|
||||
// InputSchema = new JsonSchema()
|
||||
// {
|
||||
// Type = "object",
|
||||
// Properties = new Dictionary<string, JsonSchemaProperty>()
|
||||
// {
|
||||
// ["order_number"] = new JsonSchemaProperty() { Type = "string", Description = "order number." },
|
||||
// ["total_amount"] = new JsonSchemaProperty() { Type = "string", Description = "total amount." },
|
||||
// },
|
||||
// Required = new List<string>() { "order_number", "total_amount" }
|
||||
// },
|
||||
// },
|
||||
// new Tool()
|
||||
// {
|
||||
// Name = "get_pizza_prices",
|
||||
// Description = "call this function to get pizza unit price",
|
||||
// InputSchema = new JsonSchema()
|
||||
// {
|
||||
// Type = "object",
|
||||
// Properties = new Dictionary<string, JsonSchemaProperty>()
|
||||
// {
|
||||
// ["pizza_type"] = new JsonSchemaProperty() { Type = "string", Description = "The pizza type." },
|
||||
// ["quantity"] = new JsonSchemaProperty() { Type = "string", Description = "quantity of pizza." },
|
||||
|
||||
return new CallToolResponse()
|
||||
{
|
||||
Content = [new Content() { Text = "Payment proceed successfully. Thank you for your business. Have a great day!", Type = "text" }]
|
||||
};
|
||||
}
|
||||
else if (request.Params.Name == "get_pizza_prices")
|
||||
{
|
||||
if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("pizza_type", out var pizza_type))
|
||||
{
|
||||
throw new McpServerException("Missing required argument 'pizza_type'");
|
||||
}
|
||||
if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("quantity", out var quantity))
|
||||
{
|
||||
throw new McpServerException("Missing required argument 'quantity'");
|
||||
}
|
||||
double unit_price = 0;
|
||||
if(pizza_type.ToString() == "Pepperoni Pizza")
|
||||
{
|
||||
unit_price = 3.2 * (int)quantity;
|
||||
}
|
||||
else if(pizza_type.ToString() == "Cheese Pizza")
|
||||
{
|
||||
unit_price = 3.5 * (int)quantity; ;
|
||||
}
|
||||
else if(pizza_type.ToString() == "Margherita Pizza")
|
||||
{
|
||||
unit_price = 3.8 * (int)quantity; ;
|
||||
}
|
||||
dynamic message = new ExpandoObject();
|
||||
message.unit_price = unit_price;
|
||||
var jso = new JsonSerializerOptions() { WriteIndented = true };
|
||||
var jsonMessage = JsonSerializer.Serialize(message, jso);
|
||||
return new CallToolResponse()
|
||||
{
|
||||
Content = [new Content() { Text = jsonMessage, Type = "text" }]
|
||||
};
|
||||
}
|
||||
else if (request.Params.Name == "place_an_order")
|
||||
{
|
||||
if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("pizza_type", out var pizza_type))
|
||||
{
|
||||
throw new McpServerException("Missing required argument 'pizza_type'");
|
||||
}
|
||||
if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("quantity", out var quantity))
|
||||
{
|
||||
throw new McpServerException("Missing required argument 'quantity'");
|
||||
}
|
||||
if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("unit_price", out var unit_price))
|
||||
{
|
||||
throw new McpServerException("Missing required argument 'unit_price'");
|
||||
}
|
||||
//dynamic message = new ExpandoObject();
|
||||
//message.order_number = "P123-01";
|
||||
//message.Content = "The order number is P123-01";
|
||||
//// Serialize the message to JSON
|
||||
//var jso = new JsonSerializerOptions() { WriteIndented = true };
|
||||
//var jsonMessage = JsonSerializer.Serialize(message, jso);
|
||||
return new CallToolResponse()
|
||||
{
|
||||
Content = [new Content() { Text = "The order number is P123-01: {order_number = \"P123-01\" }", Type = "text" }]
|
||||
};
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new McpServerException($"Unknown tool: {request.Params.Name}");
|
||||
}
|
||||
}
|
||||
};
|
||||
}
|
||||
// },
|
||||
// Required = new List<string>(){ "pizza_type", "quantity" }
|
||||
// }
|
||||
// },
|
||||
// new Tool()
|
||||
// {
|
||||
// Name = "place_an_order",
|
||||
// Description = "Place an order when user has confirmed the pizza type and quantity.",
|
||||
// InputSchema = new JsonSchema()
|
||||
// {
|
||||
// Type = "object",
|
||||
// Properties = new Dictionary<string, JsonSchemaProperty>()
|
||||
// {
|
||||
// ["pizza_type"] = new JsonSchemaProperty() { Type = "string", Description = "The pizza type." },
|
||||
// ["quantity"] = new JsonSchemaProperty() { Type = "number", Description = "quantity of pizza." },
|
||||
// ["unit_price"] = new JsonSchemaProperty() { Type = "number", Description = "pizza unit price" },
|
||||
|
||||
// },
|
||||
// Required = new List<string>(){"pizza_type", "quantity", "unit_price" }
|
||||
// }
|
||||
// }
|
||||
// ]
|
||||
// });
|
||||
// },
|
||||
|
||||
// CallToolHandler = async (request, cancellationToken) =>
|
||||
// {
|
||||
// if (request.Params.Name == "make_payment")
|
||||
// {
|
||||
// if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("order_number", out var order_number))
|
||||
// {
|
||||
// throw new McpServerException("Missing required argument 'order_number'");
|
||||
// }
|
||||
// if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("total_amount", out var total_amount))
|
||||
// {
|
||||
// throw new McpServerException("Missing required argument 'total_amount'");
|
||||
// }
|
||||
// //dynamic message = new ExpandoObject();
|
||||
// //message.Transaction = Guid.NewGuid().ToString();
|
||||
// //message.Status = "Success";
|
||||
|
||||
// //// Serialize the message to JSON
|
||||
// //var jso = new JsonSerializerOptions() { WriteIndented = true };
|
||||
// //var jsonMessage = JsonSerializer.Serialize(message, jso);
|
||||
|
||||
// return new CallToolResponse()
|
||||
// {
|
||||
// Content = [new Content() { Text = "Payment proceed successfully. Thank you for your business. Have a great day!", Type = "text" }]
|
||||
// };
|
||||
// }
|
||||
// else if (request.Params.Name == "get_pizza_prices")
|
||||
// {
|
||||
// if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("pizza_type", out var pizza_type))
|
||||
// {
|
||||
// throw new McpServerException("Missing required argument 'pizza_type'");
|
||||
// }
|
||||
// if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("quantity", out var quantity))
|
||||
// {
|
||||
// throw new McpServerException("Missing required argument 'quantity'");
|
||||
// }
|
||||
// double unit_price = 0;
|
||||
// if(pizza_type.ToString() == "Pepperoni Pizza")
|
||||
// {
|
||||
// unit_price = 3.2 * (int)quantity;
|
||||
// }
|
||||
// else if(pizza_type.ToString() == "Cheese Pizza")
|
||||
// {
|
||||
// unit_price = 3.5 * (int)quantity; ;
|
||||
// }
|
||||
// else if(pizza_type.ToString() == "Margherita Pizza")
|
||||
// {
|
||||
// unit_price = 3.8 * (int)quantity; ;
|
||||
// }
|
||||
// dynamic message = new ExpandoObject();
|
||||
// message.unit_price = unit_price;
|
||||
// var jso = new JsonSerializerOptions() { WriteIndented = true };
|
||||
// var jsonMessage = JsonSerializer.Serialize(message, jso);
|
||||
// return new CallToolResponse()
|
||||
// {
|
||||
// Content = [new Content() { Text = jsonMessage, Type = "text" }]
|
||||
// };
|
||||
// }
|
||||
// else if (request.Params.Name == "place_an_order")
|
||||
// {
|
||||
// if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("pizza_type", out var pizza_type))
|
||||
// {
|
||||
// throw new McpServerException("Missing required argument 'pizza_type'");
|
||||
// }
|
||||
// if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("quantity", out var quantity))
|
||||
// {
|
||||
// throw new McpServerException("Missing required argument 'quantity'");
|
||||
// }
|
||||
// if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("unit_price", out var unit_price))
|
||||
// {
|
||||
// throw new McpServerException("Missing required argument 'unit_price'");
|
||||
// }
|
||||
// //dynamic message = new ExpandoObject();
|
||||
// //message.order_number = "P123-01";
|
||||
// //message.Content = "The order number is P123-01";
|
||||
// //// Serialize the message to JSON
|
||||
// //var jso = new JsonSerializerOptions() { WriteIndented = true };
|
||||
// //var jsonMessage = JsonSerializer.Serialize(message, jso);
|
||||
// return new CallToolResponse()
|
||||
// {
|
||||
// Content = [new Content() { Text = "The order number is P123-01: {order_number = \"P123-01\" }", Type = "text" }]
|
||||
// };
|
||||
// }
|
||||
// else
|
||||
// {
|
||||
// throw new McpServerException($"Unknown tool: {request.Params.Name}");
|
||||
// }
|
||||
// }
|
||||
// };
|
||||
// }
|
||||
|
||||
|
||||
private static ILoggerFactory CreateLoggerFactory()
|
||||
{
|
||||
// Use serilog
|
||||
Log.Logger = new LoggerConfiguration()
|
||||
.MinimumLevel.Verbose() // Capture all log levels
|
||||
.WriteTo.File(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "logs", "TestServer_.log"),
|
||||
rollingInterval: RollingInterval.Day,
|
||||
outputTemplate: "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} [{Level:u3}] {Message:lj}{NewLine}{Exception}")
|
||||
.CreateLogger();
|
||||
// private static ILoggerFactory CreateLoggerFactory()
|
||||
// {
|
||||
// // Use serilog
|
||||
// Log.Logger = new LoggerConfiguration()
|
||||
// .MinimumLevel.Verbose() // Capture all log levels
|
||||
// .WriteTo.File(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "logs", "TestServer_.log"),
|
||||
// rollingInterval: RollingInterval.Day,
|
||||
// outputTemplate: "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} [{Level:u3}] {Message:lj}{NewLine}{Exception}")
|
||||
// .CreateLogger();
|
||||
|
||||
var logsPath = Path.Combine(AppContext.BaseDirectory, "testserver.log");
|
||||
return LoggerFactory.Create(builder =>
|
||||
{
|
||||
builder.AddSerilog();
|
||||
});
|
||||
}
|
||||
}
|
||||
}
|
||||
// var logsPath = Path.Combine(AppContext.BaseDirectory, "testserver.log");
|
||||
// return LoggerFactory.Create(builder =>
|
||||
// {
|
||||
// builder.AddSerilog();
|
||||
// });
|
||||
// }
|
||||
// }
|
||||
//}
|
||||
|
|
|
|||
|
|
@ -0,0 +1,12 @@
|
|||
{
|
||||
"profiles": {
|
||||
"BotSharp.PizzaBot.MCPServer": {
|
||||
"commandName": "Project",
|
||||
"launchBrowser": true,
|
||||
"environmentVariables": {
|
||||
"ASPNETCORE_ENVIRONMENT": "Development"
|
||||
},
|
||||
"applicationUrl": "https://localhost:58904;http://localhost:58905"
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,84 @@
|
|||
using McpDotNet.Protocol.Messages;
|
||||
using McpDotNet.Protocol.Transport;
|
||||
using McpDotNet.Utils.Json;
|
||||
using System.Buffers;
|
||||
using System.Net.ServerSentEvents;
|
||||
using System.Text.Json;
|
||||
using System.Threading.Channels;
|
||||
|
||||
namespace BotSharp.PizzaBot.MCPServer;
|
||||
|
||||
public class SseServerStreamTransport(Stream sseResponseStream) : ITransport
|
||||
{
|
||||
private readonly Channel<IJsonRpcMessage> _incomingChannel = CreateSingleItemChannel<IJsonRpcMessage>();
|
||||
private readonly Channel<SseItem<IJsonRpcMessage?>> _outgoingSseChannel = CreateSingleItemChannel<SseItem<IJsonRpcMessage?>>();
|
||||
|
||||
private Task? _sseWriteTask;
|
||||
private Utf8JsonWriter? _jsonWriter;
|
||||
|
||||
public bool IsConnected => _sseWriteTask?.IsCompleted == false;
|
||||
|
||||
public Task RunAsync(CancellationToken cancellationToken)
|
||||
{
|
||||
void WriteJsonRpcMessageToBuffer(SseItem<IJsonRpcMessage?> item, IBufferWriter<byte> writer)
|
||||
{
|
||||
if (item.EventType == "endpoint")
|
||||
{
|
||||
writer.Write("/message"u8);
|
||||
return;
|
||||
}
|
||||
|
||||
JsonSerializer.Serialize(GetUtf8JsonWriter(writer), item.Data, JsonSerializerOptionsExtensions.DefaultOptions);
|
||||
}
|
||||
|
||||
// The very first SSE event isn't really an IJsonRpcMessage, but there's no API to write a single item of a different type,
|
||||
// so we fib and special-case the "endpoint" event type in the formatter.
|
||||
_outgoingSseChannel.Writer.TryWrite(new SseItem<IJsonRpcMessage?>(null, "endpoint"));
|
||||
|
||||
var sseItems = _outgoingSseChannel.Reader.ReadAllAsync(cancellationToken);
|
||||
return _sseWriteTask = SseFormatter.WriteAsync(sseItems, sseResponseStream, WriteJsonRpcMessageToBuffer, cancellationToken);
|
||||
}
|
||||
|
||||
public ChannelReader<IJsonRpcMessage> MessageReader => _incomingChannel.Reader;
|
||||
|
||||
public ValueTask DisposeAsync()
|
||||
{
|
||||
_incomingChannel.Writer.TryComplete();
|
||||
_outgoingSseChannel.Writer.TryComplete();
|
||||
return new ValueTask(_sseWriteTask ?? Task.CompletedTask);
|
||||
}
|
||||
|
||||
public Task SendMessageAsync(IJsonRpcMessage message, CancellationToken cancellationToken = default) =>
|
||||
_outgoingSseChannel.Writer.WriteAsync(new SseItem<IJsonRpcMessage?>(message), cancellationToken).AsTask();
|
||||
|
||||
public Task OnMessageReceivedAsync(IJsonRpcMessage message, CancellationToken cancellationToken)
|
||||
{
|
||||
if (!IsConnected)
|
||||
{
|
||||
throw new McpTransportException("Transport is not connected");
|
||||
}
|
||||
|
||||
return _incomingChannel.Writer.WriteAsync(message, cancellationToken).AsTask();
|
||||
}
|
||||
|
||||
private static Channel<T> CreateSingleItemChannel<T>() =>
|
||||
Channel.CreateBounded<T>(new BoundedChannelOptions(1)
|
||||
{
|
||||
SingleReader = true,
|
||||
SingleWriter = false,
|
||||
});
|
||||
|
||||
private Utf8JsonWriter GetUtf8JsonWriter(IBufferWriter<byte> writer)
|
||||
{
|
||||
if (_jsonWriter is null)
|
||||
{
|
||||
_jsonWriter = new Utf8JsonWriter(writer);
|
||||
}
|
||||
else
|
||||
{
|
||||
_jsonWriter.Reset(writer);
|
||||
}
|
||||
|
||||
return _jsonWriter;
|
||||
}
|
||||
}
|
||||
25
tests/BotSharp.PizzaBot.MCPServer/Tools/MakePayment.cs
Normal file
25
tests/BotSharp.PizzaBot.MCPServer/Tools/MakePayment.cs
Normal file
|
|
@ -0,0 +1,25 @@
|
|||
using McpDotNet.Server;
|
||||
using System.ComponentModel;
|
||||
using System.ComponentModel.DataAnnotations;
|
||||
|
||||
namespace BotSharp.PizzaBot.MCPServer.Tools;
|
||||
|
||||
[McpToolType]
|
||||
public static class MakePayment
|
||||
{
|
||||
[McpTool(name: "make_payment"), Description("call this function to make payment.")]
|
||||
public static string Make_Payment(
|
||||
[Description("order number"),Required] string order_number,
|
||||
[Description("total amount"),Required] int total_amount)
|
||||
{
|
||||
if (order_number is null)
|
||||
{
|
||||
throw new McpServerException("Missing required argument 'order_number'");
|
||||
}
|
||||
if (order_number is null)
|
||||
{
|
||||
throw new McpServerException("Missing required argument 'total_amount'");
|
||||
}
|
||||
return "Payment proceed successfully. Thank you for your business. Have a great day!";
|
||||
}
|
||||
}
|
||||
46
tests/BotSharp.PizzaBot.MCPServer/Tools/PizzaPrices.cs
Normal file
46
tests/BotSharp.PizzaBot.MCPServer/Tools/PizzaPrices.cs
Normal file
|
|
@ -0,0 +1,46 @@
|
|||
using McpDotNet.Server;
|
||||
using System.ComponentModel.DataAnnotations;
|
||||
using System.ComponentModel;
|
||||
using System.Dynamic;
|
||||
using System.Text.Json;
|
||||
|
||||
namespace BotSharp.PizzaBot.MCPServer.Tools;
|
||||
|
||||
[McpToolType]
|
||||
public static class PizzaPrices
|
||||
{
|
||||
[McpTool(name: "get_pizza_prices"), Description("call this function to get pizza unit price.")]
|
||||
public static string GetPizzaPrices(
|
||||
[Description("The pizza type."), Required] string pizza_type,
|
||||
[Description("quantity of pizza"), Required] int quantity)
|
||||
{
|
||||
if (pizza_type is null)
|
||||
{
|
||||
throw new McpServerException("Missing required argument 'pizza_type'");
|
||||
}
|
||||
if (quantity <= 0)
|
||||
{
|
||||
throw new McpServerException("Missing required argument 'quantity'");
|
||||
}
|
||||
double unit_price = 0;
|
||||
if (pizza_type.ToString() == "Pepperoni Pizza")
|
||||
{
|
||||
unit_price = 3.2 * (int)quantity;
|
||||
}
|
||||
else if (pizza_type.ToString() == "Cheese Pizza")
|
||||
{
|
||||
unit_price = 3.5 * (int)quantity; ;
|
||||
}
|
||||
else if (pizza_type.ToString() == "Margherita Pizza")
|
||||
{
|
||||
unit_price = 3.8 * (int)quantity; ;
|
||||
}
|
||||
|
||||
dynamic message = new ExpandoObject();
|
||||
message.unit_price = unit_price;
|
||||
var jso = new JsonSerializerOptions() { WriteIndented = true };
|
||||
var jsonMessage = JsonSerializer.Serialize(message, jso);
|
||||
|
||||
return jsonMessage;
|
||||
}
|
||||
}
|
||||
31
tests/BotSharp.PizzaBot.MCPServer/Tools/PlaceOrder.cs
Normal file
31
tests/BotSharp.PizzaBot.MCPServer/Tools/PlaceOrder.cs
Normal file
|
|
@ -0,0 +1,31 @@
|
|||
using McpDotNet.Server;
|
||||
using System.ComponentModel;
|
||||
using System.ComponentModel.DataAnnotations;
|
||||
|
||||
namespace BotSharp.PizzaBot.MCPServer.Tools;
|
||||
|
||||
[McpToolType]
|
||||
public static class PlaceOrder
|
||||
{
|
||||
[McpTool(name: "place_an_order"), Description("Place an order when user has confirmed the pizza type and quantity.")]
|
||||
public static string PlaceAnOrder(
|
||||
[Description("The pizza type."), Required] string pizza_type,
|
||||
[Description("quantity of pizza"), Required] int quantity,
|
||||
[Description("pizza unit price"),Required] double unit_price)
|
||||
{
|
||||
if (pizza_type is null)
|
||||
{
|
||||
throw new McpServerException("Missing required argument 'pizza_type'");
|
||||
}
|
||||
if (quantity <= 0)
|
||||
{
|
||||
throw new McpServerException("Missing required argument 'quantity'");
|
||||
}
|
||||
if (unit_price <= 0)
|
||||
{
|
||||
throw new McpServerException("Missing required argument 'unit_price'");
|
||||
}
|
||||
|
||||
return "The order number is P123-01: {order_number = \"P123-01\" }";
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue