SemianiakaVY/BotSharp
1
0
Fork 0
Code Issues Pull requests Actions Packages Projects Releases Wiki Activity

feat: Using MCP's SSE transport

Browse source
This commit is contained in:
geffzhang 2025-03-19 11:07:31 +08:00
parent c2de647b7a
commit 58e3e7fba7
14 changed files with 499 additions and 235 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
BotSharp.sln
View file

@ -129,12 +129,12 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.Plugin.DeepSeekAI"
EndProject EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.MCP", "src\Infrastructure\BotSharp.MCP\BotSharp.MCP.csproj", "{684781D5-3DD4-6A0B-B53F-0A362CD6BB0C}" Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.MCP", "src\Infrastructure\BotSharp.MCP\BotSharp.MCP.csproj", "{684781D5-3DD4-6A0B-B53F-0A362CD6BB0C}"
EndProject EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.PizzaBot.MCPServer", "tests\BotSharp.PizzaBot.MCPServer\BotSharp.PizzaBot.MCPServer.csproj", "{8D2AD45F-836A-516F-DE6A-71443CEBB18A}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.Core.Realtime", "src\Infrastructure\BotSharp.Core.Realtime\BotSharp.Core.Realtime.csproj", "{781F1465-365C-0F22-1775-25025DAFA4C7}" Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.Core.Realtime", "src\Infrastructure\BotSharp.Core.Realtime\BotSharp.Core.Realtime.csproj", "{781F1465-365C-0F22-1775-25025DAFA4C7}"
EndProject EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "mcpdotnet", "..\mcpdotnet\src\mcpdotnet\mcpdotnet.csproj", "{32D455C9-C7CF-928B-F878-8EAF0198328E}" Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "mcpdotnet", "..\mcpdotnet\src\mcpdotnet\mcpdotnet.csproj", "{32D455C9-C7CF-928B-F878-8EAF0198328E}"
EndProject EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BotSharp.PizzaBot.MCPServer", "tests\BotSharp.PizzaBot.MCPServer\BotSharp.PizzaBot.MCPServer.csproj", "{8D2AD45F-836A-516F-DE6A-71443CEBB18A}"
EndProject
Global Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU Debug|Any CPU = Debug|Any CPU
@ -535,14 +535,6 @@ Global
{684781D5-3DD4-6A0B-B53F-0A362CD6BB0C}.Release|Any CPU.Build.0 = Release|Any CPU {684781D5-3DD4-6A0B-B53F-0A362CD6BB0C}.Release|Any CPU.Build.0 = Release|Any CPU
{684781D5-3DD4-6A0B-B53F-0A362CD6BB0C}.Release|x64.ActiveCfg = Release|Any CPU {684781D5-3DD4-6A0B-B53F-0A362CD6BB0C}.Release|x64.ActiveCfg = Release|Any CPU
{684781D5-3DD4-6A0B-B53F-0A362CD6BB0C}.Release|x64.Build.0 = Release|Any CPU {684781D5-3DD4-6A0B-B53F-0A362CD6BB0C}.Release|x64.Build.0 = Release|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|Any CPU.Build.0 = Debug|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|x64.ActiveCfg = Debug|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|x64.Build.0 = Debug|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|Any CPU.ActiveCfg = Release|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|Any CPU.Build.0 = Release|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|x64.ActiveCfg = Release|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|x64.Build.0 = Release|Any CPU
{781F1465-365C-0F22-1775-25025DAFA4C7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU {781F1465-365C-0F22-1775-25025DAFA4C7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{781F1465-365C-0F22-1775-25025DAFA4C7}.Debug|Any CPU.Build.0 = Debug|Any CPU {781F1465-365C-0F22-1775-25025DAFA4C7}.Debug|Any CPU.Build.0 = Debug|Any CPU
{781F1465-365C-0F22-1775-25025DAFA4C7}.Debug|x64.ActiveCfg = Debug|Any CPU {781F1465-365C-0F22-1775-25025DAFA4C7}.Debug|x64.ActiveCfg = Debug|Any CPU
@ -559,6 +551,14 @@ Global
{32D455C9-C7CF-928B-F878-8EAF0198328E}.Release|Any CPU.Build.0 = Release|Any CPU {32D455C9-C7CF-928B-F878-8EAF0198328E}.Release|Any CPU.Build.0 = Release|Any CPU
{32D455C9-C7CF-928B-F878-8EAF0198328E}.Release|x64.ActiveCfg = Release|Any CPU {32D455C9-C7CF-928B-F878-8EAF0198328E}.Release|x64.ActiveCfg = Release|Any CPU
{32D455C9-C7CF-928B-F878-8EAF0198328E}.Release|x64.Build.0 = Release|Any CPU {32D455C9-C7CF-928B-F878-8EAF0198328E}.Release|x64.Build.0 = Release|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|Any CPU.Build.0 = Debug|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|x64.ActiveCfg = Debug|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Debug|x64.Build.0 = Debug|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|Any CPU.ActiveCfg = Release|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|Any CPU.Build.0 = Release|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|x64.ActiveCfg = Release|Any CPU
{8D2AD45F-836A-516F-DE6A-71443CEBB18A}.Release|x64.Build.0 = Release|Any CPU
EndGlobalSection EndGlobalSection
GlobalSection(SolutionProperties) = preSolution GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE HideSolutionNode = FALSE
@ -621,9 +621,9 @@ Global
{AFD64412-4D6A-452E-82A2-79E5D8842E29} = {E29DC6C4-5E57-48C5-BCB0-6B8F84782749} {AFD64412-4D6A-452E-82A2-79E5D8842E29} = {E29DC6C4-5E57-48C5-BCB0-6B8F84782749}
{AF329442-B48E-4B48-A18A-1C869D1BA6F5} = {D5293208-2BEF-42FC-A64C-5954F61720BA} {AF329442-B48E-4B48-A18A-1C869D1BA6F5} = {D5293208-2BEF-42FC-A64C-5954F61720BA}
{684781D5-3DD4-6A0B-B53F-0A362CD6BB0C} = {E29DC6C4-5E57-48C5-BCB0-6B8F84782749} {684781D5-3DD4-6A0B-B53F-0A362CD6BB0C} = {E29DC6C4-5E57-48C5-BCB0-6B8F84782749}
{8D2AD45F-836A-516F-DE6A-71443CEBB18A} = {32FAFFFE-A4CB-4FEE-BF7C-84518BBC6DCC}
{781F1465-365C-0F22-1775-25025DAFA4C7} = {E29DC6C4-5E57-48C5-BCB0-6B8F84782749} {781F1465-365C-0F22-1775-25025DAFA4C7} = {E29DC6C4-5E57-48C5-BCB0-6B8F84782749}
{32D455C9-C7CF-928B-F878-8EAF0198328E} = {32FAFFFE-A4CB-4FEE-BF7C-84518BBC6DCC} {32D455C9-C7CF-928B-F878-8EAF0198328E} = {32FAFFFE-A4CB-4FEE-BF7C-84518BBC6DCC}
{8D2AD45F-836A-516F-DE6A-71443CEBB18A} = {32FAFFFE-A4CB-4FEE-BF7C-84518BBC6DCC}
EndGlobalSection EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {A9969D89-C98B-40A5-A12B-FC87E55B3A19} SolutionGuid = {A9969D89-C98B-40A5-A12B-FC87E55B3A19}

1
Directory.Packages.props
View file

@ -111,6 +111,7 @@
<PackageVersion Include="MSTest.TestFramework" Version="3.1.1" /> <PackageVersion Include="MSTest.TestFramework" Version="3.1.1" />
<PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" /> <PackageVersion Include="Microsoft.Extensions.DependencyInjection" Version="8.0.1" />
<PackageVersion Include="Microsoft.Extensions.Hosting" Version="8.0.0" /> <PackageVersion Include="Microsoft.Extensions.Hosting" Version="8.0.0" />
<PackageVersion Include="System.Net.ServerSentEvents" Version="10.0.0-preview.1.25080.5" />
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<PackageVersion Include="BotSharp.Logger" Version="$(BotSharpVersion)" /> <PackageVersion Include="BotSharp.Logger" Version="$(BotSharpVersion)" />

1
src/BotSharp.AppHost/BotSharp.AppHost.csproj
View file

@ -15,6 +15,7 @@
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<ProjectReference Include="..\..\tests\BotSharp.PizzaBot.MCPServer\BotSharp.PizzaBot.MCPServer.csproj" />
<ProjectReference Include="..\BotSharp.ServiceDefaults\BotSharp.ServiceDefaults.csproj" /> <ProjectReference Include="..\BotSharp.ServiceDefaults\BotSharp.ServiceDefaults.csproj" />
<ProjectReference Include="..\WebStarter\WebStarter.csproj" /> <ProjectReference Include="..\WebStarter\WebStarter.csproj" />
</ItemGroup> </ItemGroup>

2
src/BotSharp.AppHost/Program.cs
View file

@ -2,6 +2,8 @@ var builder = DistributedApplication.CreateBuilder(args);
var apiService = builder.AddProject<Projects.WebStarter>("apiservice") var apiService = builder.AddProject<Projects.WebStarter>("apiservice")
.WithExternalHttpEndpoints(); .WithExternalHttpEndpoints();
var mcpService = builder.AddProject<Projects.BotSharp_PizzaBot_MCPServer>("mcpservice")
.WithExternalHttpEndpoints();
builder.AddNpmApp("BotSharpUI", "../../../BotSharp-UI") builder.AddNpmApp("BotSharpUI", "../../../BotSharp-UI")
.WithReference(apiService) .WithReference(apiService)

1
src/WebStarter/WebStarter.csproj
View file

@ -27,7 +27,6 @@
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<ProjectReference Include="..\..\tests\BotSharp.PizzaBot.MCPServer\BotSharp.PizzaBot.MCPServer.csproj" />
<ProjectReference Include="..\..\tests\BotSharp.Plugin.PizzaBot\BotSharp.Plugin.PizzaBot.csproj" /> <ProjectReference Include="..\..\tests\BotSharp.Plugin.PizzaBot\BotSharp.Plugin.PizzaBot.csproj" />
<ProjectReference Include="..\BotSharp.ServiceDefaults\BotSharp.ServiceDefaults.csproj" /> <ProjectReference Include="..\BotSharp.ServiceDefaults\BotSharp.ServiceDefaults.csproj" />
<ProjectReference Include="..\Infrastructure\BotSharp.MCP\BotSharp.MCP.csproj" /> <ProjectReference Include="..\Infrastructure\BotSharp.MCP\BotSharp.MCP.csproj" />

8
src/WebStarter/appsettings.json
View file

@ -182,11 +182,9 @@
{ {
"Id": "PizzaServer", "Id": "PizzaServer",
"Name": "PizzaServer", "Name": "PizzaServer",
"TransportType": "stdio", "TransportType": "sse",
"TransportOptions": { "TransportOptions": [],
"command": "BotSharp.PizzaBot.MCPServer.exe", "Location": "http://localhost:58905/sse"
"workingDirectory": "E:\\GitHub\\BotSharp\\src\\WebStarter\\bin\\Debug\\net8.0"
}
} }
] ]
}, },

4
tests/BotSharp.PizzaBot.MCPServer/BotSharp.PizzaBot.MCPServer.csproj
View file

@ -1,7 +1,6 @@
<Project Sdk="Microsoft.NET.Sdk"> <Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup> <PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework> <TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings> <ImplicitUsings>enable</ImplicitUsings>
<LangVersion>12.0</LangVersion> <LangVersion>12.0</LangVersion>
@ -12,6 +11,7 @@
<PackageReference Include="Microsoft.Extensions.Logging" /> <PackageReference Include="Microsoft.Extensions.Logging" />
<PackageReference Include="Serilog.Extensions.Logging" /> <PackageReference Include="Serilog.Extensions.Logging" />
<PackageReference Include="Serilog.Sinks.File" /> <PackageReference Include="Serilog.Sinks.File" />
<PackageReference Include="System.Net.ServerSentEvents" />
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>
<ProjectReference Include="..\..\..\mcpdotnet\src\mcpdotnet\mcpdotnet.csproj" /> <ProjectReference Include="..\..\..\mcpdotnet\src\mcpdotnet\mcpdotnet.csproj" />

62
tests/BotSharp.PizzaBot.MCPServer/McpEndpointRouteBuilderExtensions.cs Normal file
View file

@ -0,0 +1,62 @@
using McpDotNet.Protocol.Messages;
using McpDotNet.Server;
using McpDotNet.Utils.Json;
using Microsoft.Extensions.Options;
namespace BotSharp.PizzaBot.MCPServer;
public static class McpEndpointRouteBuilderExtensions
{
public static IEndpointConventionBuilder MapMcpSse(this IEndpointRouteBuilder endpoints)
{
IMcpServer? server = null;
SseServerStreamTransport? transport = null;
var loggerFactory = endpoints.ServiceProvider.GetRequiredService<ILoggerFactory>();
var mcpServerOptions = endpoints.ServiceProvider.GetRequiredService<IOptions<McpServerOptions>>();
var routeGroup = endpoints.MapGroup("");
routeGroup.MapGet("/sse", async (HttpResponse response, CancellationToken requestAborted) =>
{
await using var localTransport = transport = new SseServerStreamTransport(response.Body);
await using var localServer = server = McpServerFactory.Create(transport, mcpServerOptions.Value, loggerFactory, endpoints.ServiceProvider);
await localServer.StartAsync(requestAborted);
response.Headers.ContentType = "text/event-stream";
response.Headers.CacheControl = "no-cache";
try
{
await transport.RunAsync(requestAborted);
}
catch (OperationCanceledException) when (requestAborted.IsCancellationRequested)
{
// RequestAborted always triggers when the client disconnects before a complete response body is written,
// but this is how SSE connections are typically closed.
}
});
routeGroup.MapPost("/message", async (HttpContext context) =>
{
if (transport is null)
{
await Results.BadRequest("Connect to the /sse endpoint before sending messages.").ExecuteAsync(context);
return;
}
var message = await context.Request.ReadFromJsonAsync<IJsonRpcMessage>(JsonSerializerOptionsExtensions.DefaultOptions, context.RequestAborted);
if (message is null)
{
await Results.BadRequest("No message in request body.").ExecuteAsync(context);
return;
}
await transport.OnMessageReceivedAsync(message, context.RequestAborted);
context.Response.StatusCode = StatusCodes.Status202Accepted;
await context.Response.WriteAsync("Accepted");
});
return routeGroup;
}
}

435
tests/BotSharp.PizzaBot.MCPServer/Program.cs
View file

@ -1,233 +1,236 @@
using McpDotNet.Protocol.Messages; using BotSharp.PizzaBot.MCPServer;
using McpDotNet.Protocol.Transport; using McpDotNet;
using McpDotNet.Protocol.Types;
using McpDotNet.Server;
using Microsoft.Extensions.Logging;
using Serilog;
using System.Dynamic;
using System.Text;
using System.Text.Json;
namespace BotSharp.PizzaBot.MCPServer var builder = WebApplication.CreateBuilder(args);
{ builder.Services.AddMcpServer().WithTools();
internal class Program var app = builder.Build();
{
private static HashSet<string> _subscribedResources = new();
private static readonly object _subscribedResourcesLock = new();
private static async Task Main(string[] args) app.MapGet("/", () => "This is a test server with only stub functionality!");
{ app.MapMcpSse();
Console.WriteLine("Starting server...");
McpServerOptions options = new McpServerOptions() app.Run();
{
ServerInfo = new Implementation() { Name = "PizzaServer", Version = "1.0.0" },
Capabilities = new ServerCapabilities()
{
Tools = ConfigureTools(),
},
ProtocolVersion = "2024-11-05",
ServerInstructions = "This is a test server with only stub functionality"
};
var loggerFactory = CreateLoggerFactory();
await using IMcpServer server = McpServerFactory.Create(new StdioServerTransport("TestServer", loggerFactory), options, loggerFactory);
Log.Logger.Information("Server initialized.");
await server.StartAsync();
Log.Logger.Information("Server started."); //namespace BotSharp.PizzaBot.MCPServer
//{
// internal class Program
// {
// private static HashSet<string> _subscribedResources = new();
// private static readonly object _subscribedResourcesLock = new();
// Run until process is stopped by the client (parent process) // private static async Task Main(string[] args)
while (true) // {
{ // Console.WriteLine("Starting server...");
await Task.Delay(5000);
// Snapshot the subscribed resources, rather than locking while sending notifications // McpServerOptions options = new McpServerOptions()
List<string> resources; // {
lock (_subscribedResourcesLock) // ServerInfo = new Implementation() { Name = "PizzaServer", Version = "1.0.0" },
{ // Capabilities = new ServerCapabilities()
resources = _subscribedResources.ToList(); // {
} // Tools = ConfigureTools(),
// },
// ProtocolVersion = "2024-11-05",
// ServerInstructions = "This is a test server with only stub functionality"
// };
// var loggerFactory = CreateLoggerFactory();
// await using IMcpServer server = McpServerFactory.Create(new StdioServerTransport("TestServer", loggerFactory), options, loggerFactory);
// Log.Logger.Information("Server initialized.");
foreach (var resource in resources) // await server.StartAsync();
{
ResourceUpdatedNotificationParams notificationParams = new() { Uri = resource };
await server.SendMessageAsync(new JsonRpcNotification()
{
Method = NotificationMethods.ResourceUpdatedNotification,
Params = notificationParams
});
}
}
}
private static ToolsCapability ConfigureTools() // Log.Logger.Information("Server started.");
{
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." },
}, // // Run until process is stopped by the client (parent process)
Required = new List<string>(){ "pizza_type", "quantity" } // while (true)
} // {
}, // await Task.Delay(5000);
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" },
}, // // Snapshot the subscribed resources, rather than locking while sending notifications
Required = new List<string>(){"pizza_type", "quantity", "unit_price" } // List<string> resources;
} // lock (_subscribedResourcesLock)
} // {
] // resources = _subscribedResources.ToList();
}); // }
},
CallToolHandler = async (request, cancellationToken) => // foreach (var resource in resources)
{ // {
if (request.Params.Name == "make_payment") // ResourceUpdatedNotificationParams notificationParams = new() { Uri = resource };
{ // await server.SendMessageAsync(new JsonRpcNotification()
if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("order_number", out var order_number)) // {
{ // Method = NotificationMethods.ResourceUpdatedNotification,
throw new McpServerException("Missing required argument 'order_number'"); // Params = notificationParams
} // });
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 // private static ToolsCapability ConfigureTools()
//var jso = new JsonSerializerOptions() { WriteIndented = true }; // {
//var jsonMessage = JsonSerializer.Serialize(message, jso); // 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() // },
{ // Required = new List<string>(){ "pizza_type", "quantity" }
Content = [new Content() { Text = "Payment proceed successfully. Thank you for your business. Have a great day!", Type = "text" }] // }
}; // },
} // new Tool()
else if (request.Params.Name == "get_pizza_prices") // {
{ // Name = "place_an_order",
if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("pizza_type", out var pizza_type)) // Description = "Place an order when user has confirmed the pizza type and quantity.",
{ // InputSchema = new JsonSchema()
throw new McpServerException("Missing required argument 'pizza_type'"); // {
} // Type = "object",
if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("quantity", out var quantity)) // Properties = new Dictionary<string, JsonSchemaProperty>()
{ // {
throw new McpServerException("Missing required argument 'quantity'"); // ["pizza_type"] = new JsonSchemaProperty() { Type = "string", Description = "The pizza type." },
} // ["quantity"] = new JsonSchemaProperty() { Type = "number", Description = "quantity of pizza." },
double unit_price = 0; // ["unit_price"] = new JsonSchemaProperty() { Type = "number", Description = "pizza unit price" },
if(pizza_type.ToString() == "Pepperoni Pizza")
{ // },
unit_price = 3.2 * (int)quantity; // Required = new List<string>(){"pizza_type", "quantity", "unit_price" }
} // }
else if(pizza_type.ToString() == "Cheese Pizza") // }
{ // ]
unit_price = 3.5 * (int)quantity; ; // });
} // },
else if(pizza_type.ToString() == "Margherita Pizza")
{ // CallToolHandler = async (request, cancellationToken) =>
unit_price = 3.8 * (int)quantity; ; // {
} // if (request.Params.Name == "make_payment")
dynamic message = new ExpandoObject(); // {
message.unit_price = unit_price; // if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("order_number", out var order_number))
var jso = new JsonSerializerOptions() { WriteIndented = true }; // {
var jsonMessage = JsonSerializer.Serialize(message, jso); // throw new McpServerException("Missing required argument 'order_number'");
return new CallToolResponse() // }
{ // if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("total_amount", out var total_amount))
Content = [new Content() { Text = jsonMessage, Type = "text" }] // {
}; // throw new McpServerException("Missing required argument 'total_amount'");
} // }
else if (request.Params.Name == "place_an_order") // //dynamic message = new ExpandoObject();
{ // //message.Transaction = Guid.NewGuid().ToString();
if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("pizza_type", out var pizza_type)) // //message.Status = "Success";
{
throw new McpServerException("Missing required argument 'pizza_type'"); // //// Serialize the message to JSON
} // //var jso = new JsonSerializerOptions() { WriteIndented = true };
if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("quantity", out var quantity)) // //var jsonMessage = JsonSerializer.Serialize(message, jso);
{
throw new McpServerException("Missing required argument 'quantity'"); // return new CallToolResponse()
} // {
if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("unit_price", out var unit_price)) // Content = [new Content() { Text = "Payment proceed successfully. Thank you for your business. Have a great day!", Type = "text" }]
{ // };
throw new McpServerException("Missing required argument 'unit_price'"); // }
} // else if (request.Params.Name == "get_pizza_prices")
//dynamic message = new ExpandoObject(); // {
//message.order_number = "P123-01"; // if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("pizza_type", out var pizza_type))
//message.Content = "The order number is P123-01"; // {
//// Serialize the message to JSON // throw new McpServerException("Missing required argument 'pizza_type'");
//var jso = new JsonSerializerOptions() { WriteIndented = true }; // }
//var jsonMessage = JsonSerializer.Serialize(message, jso); // if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("quantity", out var quantity))
return new CallToolResponse() // {
{ // throw new McpServerException("Missing required argument 'quantity'");
Content = [new Content() { Text = "The order number is P123-01: {order_number = \"P123-01\" }", Type = "text" }] // }
}; // double unit_price = 0;
} // if(pizza_type.ToString() == "Pepperoni Pizza")
else // {
{ // unit_price = 3.2 * (int)quantity;
throw new McpServerException($"Unknown tool: {request.Params.Name}"); // }
} // else if(pizza_type.ToString() == "Cheese Pizza")
} // {
}; // unit_price = 3.5 * (int)quantity; ;
} // }
// else if(pizza_type.ToString() == "Margherita Pizza")
// {
// unit_price = 3.8 * (int)quantity; ;
// }
// dynamic message = new ExpandoObject();
// message.unit_price = unit_price;
// var jso = new JsonSerializerOptions() { WriteIndented = true };
// var jsonMessage = JsonSerializer.Serialize(message, jso);
// return new CallToolResponse()
// {
// Content = [new Content() { Text = jsonMessage, Type = "text" }]
// };
// }
// else if (request.Params.Name == "place_an_order")
// {
// if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("pizza_type", out var pizza_type))
// {
// throw new McpServerException("Missing required argument 'pizza_type'");
// }
// if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("quantity", out var quantity))
// {
// throw new McpServerException("Missing required argument 'quantity'");
// }
// if (request.Params.Arguments is null || !request.Params.Arguments.TryGetValue("unit_price", out var unit_price))
// {
// throw new McpServerException("Missing required argument 'unit_price'");
// }
// //dynamic message = new ExpandoObject();
// //message.order_number = "P123-01";
// //message.Content = "The order number is P123-01";
// //// Serialize the message to JSON
// //var jso = new JsonSerializerOptions() { WriteIndented = true };
// //var jsonMessage = JsonSerializer.Serialize(message, jso);
// return new CallToolResponse()
// {
// Content = [new Content() { Text = "The order number is P123-01: {order_number = \"P123-01\" }", Type = "text" }]
// };
// }
// else
// {
// throw new McpServerException($"Unknown tool: {request.Params.Name}");
// }
// }
// };
// }
private static ILoggerFactory CreateLoggerFactory() // private static ILoggerFactory CreateLoggerFactory()
{ // {
// Use serilog // // Use serilog
Log.Logger = new LoggerConfiguration() // Log.Logger = new LoggerConfiguration()
.MinimumLevel.Verbose() // Capture all log levels // .MinimumLevel.Verbose() // Capture all log levels
.WriteTo.File(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "logs", "TestServer_.log"), // .WriteTo.File(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "logs", "TestServer_.log"),
rollingInterval: RollingInterval.Day, // rollingInterval: RollingInterval.Day,
outputTemplate: "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} [{Level:u3}] {Message:lj}{NewLine}{Exception}") // outputTemplate: "{Timestamp:yyyy-MM-dd HH:mm:ss.fff zzz} [{Level:u3}] {Message:lj}{NewLine}{Exception}")
.CreateLogger(); // .CreateLogger();
var logsPath = Path.Combine(AppContext.BaseDirectory, "testserver.log"); // var logsPath = Path.Combine(AppContext.BaseDirectory, "testserver.log");
return LoggerFactory.Create(builder => // return LoggerFactory.Create(builder =>
{ // {
builder.AddSerilog(); // builder.AddSerilog();
}); // });
} // }
} // }
} //}

12
tests/BotSharp.PizzaBot.MCPServer/Properties/launchSettings.json Normal file
View file

@ -0,0 +1,12 @@
{
"profiles": {
"BotSharp.PizzaBot.MCPServer": {
"commandName": "Project",
"launchBrowser": true,
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
},
"applicationUrl": "https://localhost:58904;http://localhost:58905"
}
}
}

84
tests/BotSharp.PizzaBot.MCPServer/SseServerStreamTransport.cs Normal file
View file

@ -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
View 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
View 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
View 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\" }";
}
}