From faabc4a2e7ed361eca0995dcd6272aebb18ced64 Mon Sep 17 00:00:00 2001
From: Stephen Toub <stoub@microsoft.com>
Date: Thu, 31 Jul 2025 17:07:40 -0400
Subject: [PATCH 1/2] Add an in-memory transport sample

---
 samples/IntraProcess/IntraProcess.csproj | 15 +++++++++
 samples/IntraProcess/Program.cs          | 40 ++++++++++++++++++++++++
 2 files changed, 55 insertions(+)
 create mode 100644 samples/IntraProcess/IntraProcess.csproj
 create mode 100644 samples/IntraProcess/Program.cs

diff --git a/samples/IntraProcess/IntraProcess.csproj b/samples/IntraProcess/IntraProcess.csproj
new file mode 100644
index 000000000..7c1161ce9
--- /dev/null
+++ b/samples/IntraProcess/IntraProcess.csproj
@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <PublishAot>true</PublishAot>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\..\src\ModelContextProtocol\ModelContextProtocol.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/samples/IntraProcess/Program.cs b/samples/IntraProcess/Program.cs
new file mode 100644
index 000000000..67e2d320c
--- /dev/null
+++ b/samples/IntraProcess/Program.cs
@@ -0,0 +1,40 @@
+using ModelContextProtocol.Client;
+using ModelContextProtocol.Protocol;
+using ModelContextProtocol.Server;
+using System.IO.Pipelines;
+
+Pipe clientToServerPipe = new(), serverToClientPipe = new();
+
+// Create a server using a stream-based transport over an in-memory pipe.
+await using IMcpServer server = McpServerFactory.Create(
+    new StreamServerTransport(clientToServerPipe.Reader.AsStream(), serverToClientPipe.Writer.AsStream()),
+    new McpServerOptions()
+    {
+        Capabilities = new()
+        {
+            Tools = new()
+            {
+                ToolCollection = [McpServerTool.Create((string arg) => $"Echo: {arg}", new() { Name = "Echo" })]
+            }
+        }
+    });
+_ = server.RunAsync();
+
+// Connect a client using a stream-based transport over the same in-memory pipe.
+await using IMcpClient client = await McpClientFactory.CreateAsync(
+    new StreamClientTransport(clientToServerPipe.Writer.AsStream(), serverToClientPipe.Reader.AsStream()));
+
+// List all tools.
+var tools = await client.ListToolsAsync();
+foreach (var tool in tools)
+{
+    Console.WriteLine($"Tool Name: {tool.Name}");
+}
+Console.WriteLine();
+
+// Invoke a tool.
+var echo = tools.First(t => t.Name == "Echo");
+Console.WriteLine(await echo.InvokeAsync(new()
+{
+    ["arg"] = "Hello World"
+}));
\ No newline at end of file

From 8e6bd15c123792de99c186f62df0e6b280d2cf34 Mon Sep 17 00:00:00 2001
From: Stephen Toub <stoub@microsoft.com>
Date: Thu, 31 Jul 2025 20:19:57 -0400
Subject: [PATCH 2/2] Rename sample

---
 ModelContextProtocol.slnx                                        | 1 +
 .../InMemoryTransport.csproj}                                    | 0
 samples/{IntraProcess => InMemoryTransport}/Program.cs           | 0
 3 files changed, 1 insertion(+)
 rename samples/{IntraProcess/IntraProcess.csproj => InMemoryTransport/InMemoryTransport.csproj} (100%)
 rename samples/{IntraProcess => InMemoryTransport}/Program.cs (100%)

diff --git a/ModelContextProtocol.slnx b/ModelContextProtocol.slnx
index 5ed8ba0d6..d4fed7ea9 100644
--- a/ModelContextProtocol.slnx
+++ b/ModelContextProtocol.slnx
@@ -12,6 +12,7 @@
     <Project Path="samples/AspNetCoreSseServer/AspNetCoreSseServer.csproj" />
     <Project Path="samples/ChatWithTools/ChatWithTools.csproj" />
     <Project Path="samples/EverythingServer/EverythingServer.csproj" />
+    <Project Path="samples/InMemoryTransport/InMemoryTransport.csproj" />
     <Project Path="samples/ProtectedMCPClient/ProtectedMCPClient.csproj" />
     <Project Path="samples/ProtectedMCPServer/ProtectedMCPServer.csproj" />
     <Project Path="samples/QuickstartClient/QuickstartClient.csproj" />
diff --git a/samples/IntraProcess/IntraProcess.csproj b/samples/InMemoryTransport/InMemoryTransport.csproj
similarity index 100%
rename from samples/IntraProcess/IntraProcess.csproj
rename to samples/InMemoryTransport/InMemoryTransport.csproj
diff --git a/samples/IntraProcess/Program.cs b/samples/InMemoryTransport/Program.cs
similarity index 100%
rename from samples/IntraProcess/Program.cs
rename to samples/InMemoryTransport/Program.cs