ignatandrei · ignatandrei · Dec 7, 2025 · Dec 7, 2025 · Dec 7, 2025 · coderabbitai
diff --git a/README.md b/README.md
@@ -1,10 +1,10 @@
-# RSCG - 242 Examples of Roslyn Source Code Generators  / 16 created by Microsoft / 
+# RSCG - 243 Examples of Roslyn Source Code Generators  / 16 created by Microsoft / 
 
-The RSCG_Examples repository is a comprehensive documentation system that automatically processes and showcases 242 Roslyn Source Code Generator (RSCG) examples. The system transforms individual RSCG projects into structured documentation with code examples and cross-referenced content with a searchable website  and code example  exports.
+The RSCG_Examples repository is a comprehensive documentation system that automatically processes and showcases 243 Roslyn Source Code Generator (RSCG) examples. The system transforms individual RSCG projects into structured documentation with code examples and cross-referenced content with a searchable website  and code example  exports.
 
 This system serves as both a learning resource for .NET developers interested in source generators and an automated pipeline for maintaining up-to-date documentation about the RSCG ecosystem
 
-## Latest Update : 2025-11-11 => 11 November 2025
+## Latest Update : 2025-11-15 => 15 November 2025
 
 If you want to see examples with code, please click  ***[List V2](https://ignatandrei.github.io/RSCG_Examples/v2/docs/List-of-RSCG)***
 
@@ -24,11 +24,11 @@ If you want to be notified each time I add a new RSCG example , please click htt
 
 ## Content 
 
-Those are the 242 Roslyn Source Code Generators that I have tested you can see and download source code example.
+Those are the 243 Roslyn Source Code Generators that I have tested you can see and download source code example.
 ( including 16 from Microsoft )
-### 242. [RSCG_MCP2File](https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_MCP2File) , in the [MCP](https://ignatandrei.github.io/RSCG_Examples/v2/docs/rscg-examples#mcp) category 
+### 243. [RSCG_MCP2File](https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_MCP2File) , in the [MCP](https://ignatandrei.github.io/RSCG_Examples/v2/docs/rscg-examples#mcp) category 
 
-Generated on : 2025-11-11 => 11 November 2025
+Generated on : 2025-11-15 => 15 November 2025
 
 <details>
   <summary>Expand</summary>
@@ -48,9 +48,9 @@ Source: [https://github.com/ignatandrei/RSCG_OpenApi2MCP](https://github.com/ign
 
 </details>
 
-### 241. [DecoratorGenerator](https://ignatandrei.github.io/RSCG_Examples/v2/docs/DecoratorGenerator) , in the [Decorator](https://ignatandrei.github.io/RSCG_Examples/v2/docs/rscg-examples#decorator) category 
+### 242. [DecoratorGenerator](https://ignatandrei.github.io/RSCG_Examples/v2/docs/DecoratorGenerator) , in the [Decorator](https://ignatandrei.github.io/RSCG_Examples/v2/docs/rscg-examples#decorator) category 
 
-Generated on : 2025-11-10 => 10 November 2025
+Generated on : 2025-11-13 => 13 November 2025
 
 <details>
   <summary>Expand</summary>
@@ -72,6 +72,28 @@ Source: [https://github.com/CodingFlow/decorator-generator](https://github.com/C
 
 </details>
 
+### 241. [RSCG_MCP2OpenAPI](https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_MCP2OpenAPI) , in the [MCP](https://ignatandrei.github.io/RSCG_Examples/v2/docs/rscg-examples#mcp) category 
+
+Generated on : 2025-11-11 => 11 November 2025
+
+<details>
+  <summary>Expand</summary>
+
+
+
+Author: Ignat Andrei
+
+Generating Swagger/OpenAPI function from MCP tool. 
+
+Nuget: [https://www.nuget.org/packages/RSCG_MCP2OpenAPI/](https://www.nuget.org/packages/RSCG_MCP2OpenAPI/) 
+
+
+Link: [https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_MCP2OpenAPI](https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_MCP2OpenAPI)
+
+Source: [https://github.com/ignatandrei/RSCG_OpenApi2MCP](https://github.com/ignatandrei/RSCG_OpenApi2MCP)
+
+</details>
+
 ### 240. [XmlCommentGenerator](https://ignatandrei.github.io/RSCG_Examples/v2/docs/XmlCommentGenerator) , in the [API](https://ignatandrei.github.io/RSCG_Examples/v2/docs/rscg-examples#api) category 
 
 Generated on : 2025-11-09 => 09 November 2025

diff --git a/later.md b/later.md
@@ -1,6 +1,6 @@
 # Just later
 
-## Latest Update : 2025-11-11 => 11 November 2025
+## Latest Update : 2025-11-15 => 15 November 2025
 
 
 

diff --git a/v2/.tours/RSCG_MCP2OpenAPI.tour b/v2/.tours/RSCG_MCP2OpenAPI.tour
@@ -0,0 +1,48 @@
+
+{
+  "$schema": "https://aka.ms/codetour-schema",
+  "title": "RSCG_MCP2OpenAPI",
+  "steps": 
+  [
+    {
+      "file": "rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/MCPDemo.csproj",
+      "description": "First, we add Nuget  [RSCG_MCP2OpenAPI](https://www.nuget.org/packages/RSCG_MCP2OpenAPI/) in csproj  ",
+      "pattern": "RSCG_MCP2OpenAPI"
+    }
+
+        ,{
+        "file": "rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/MyTools.cs",
+        "description": "File MyTools.cs  ",
+        "pattern": "this is the code"
+        }
+
+        ,{
+        "file": "rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/Program.cs",
+        "description": "File Program.cs \r\n>> dotnet run --project rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/MCPDemo.csproj ",
+        "pattern": "this is the code"
+        }
+
+
+        ,{
+        "file": "rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/obj/GX/RSCG_MCP2OpenAPI/RSCG_MCP2OpenAPI.MCP2OpenAPI/MyTools_ExportToFile.g.cs",
+        "description": "Generated File 3  from 3 : MyTools_ExportToFile.g.cs ",
+        "line": 1
+        }
+
+        ,{
+        "file": "rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/obj/GX/RSCG_MCP2OpenAPI/RSCG_MCP2OpenAPI.MCP2OpenAPI/Microsoft.CodeAnalysis.EmbeddedAttribute.cs",
+        "description": "Generated File 2  from 3 : Microsoft.CodeAnalysis.EmbeddedAttribute.cs ",
+        "line": 1
+        }
+
+        ,{
+        "file": "rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/obj/GX/RSCG_MCP2OpenAPI/RSCG_MCP2OpenAPI.MCP2OpenAPI/MCP2OpenAPI.g.cs",
+        "description": "Generated File 1  from 3 : MCP2OpenAPI.g.cs ",
+        "line": 1
+        }
+
+  ],
+
+  "ref": "main"
+
+}
diff --git a/v2/Generator/all.csv b/v2/Generator/all.csv
@@ -239,5 +239,6 @@ Nr,Key,Source,Category
 238,TeCLI, https://github.com/tyevco/TeCLI,CommandLine
 239,TUnit, https://github.com/thomhurst/TUnit,Tests
 240,XmlCommentGenerator, https://github.com/dotnet/dotnet/,API
-241,DecoratorGenerator, https://github.com/CodingFlow/decorator-generator,Decorator
-242,RSCG_MCP2File, https://github.com/ignatandrei/RSCG_OpenApi2MCP,MCP
+241,RSCG_MCP2OpenAPI, https://github.com/ignatandrei/RSCG_OpenApi2MCP,MCP
+242,DecoratorGenerator, https://github.com/CodingFlow/decorator-generator,Decorator
+243,RSCG_MCP2File, https://github.com/ignatandrei/RSCG_OpenApi2MCP,MCP
diff --git a/v2/RSCGExamplesData/GeneratorDataRec.json b/v2/RSCGExamplesData/GeneratorDataRec.json
@@ -1454,16 +1454,23 @@
   "dtStart": "2025-11-09T00:00:00",
   "show": true
 },
+{
+  "ID":"RSCG_MCP2OpenAPI",
+  "Category": 42,
+  "dtStart": "2025-11-11T00:00:00",
+  "show": true
+},
+
 {
   "ID":"DecoratorGenerator",
   "Category":41,
-  "dtStart": "2025-11-10T00:00:00",
+  "dtStart": "2025-11-13T00:00:00",
   "show": true
 },
 {
   "ID":"RSCG_MCP2File",
   "Category": 42,
-  "dtStart": "2025-11-11T00:00:00",
+  "dtStart": "2025-11-15T00:00:00",
   "show": true
 }
 ]
diff --git a/v2/book/examples/DecoratorGenerator.html b/v2/book/examples/DecoratorGenerator.html
@@ -1,5 +1,5 @@
 
-<h1>RSCG nr 241 :  DecoratorGenerator</h1>
+<h1>RSCG nr 242 :  DecoratorGenerator</h1>
 
 <h2>Info</h2>
 Nuget : <a href="https://www.nuget.org/packages/DecoratorGenerator/" target="_blank">https://www.nuget.org/packages/DecoratorGenerator/</a>

diff --git a/v2/book/examples/RSCG_MCP2File.html b/v2/book/examples/RSCG_MCP2File.html
@@ -1,5 +1,5 @@
 
-<h1>RSCG nr 242 :  RSCG_MCP2File</h1>
+<h1>RSCG nr 243 :  RSCG_MCP2File</h1>
 
 <h2>Info</h2>
 Nuget : <a href="https://www.nuget.org/packages/RSCG_MCP2File/" target="_blank">https://www.nuget.org/packages/RSCG_MCP2File/</a>

diff --git a/v2/book/examples/RSCG_MCP2OpenAPI.html b/v2/book/examples/RSCG_MCP2OpenAPI.html
@@ -0,0 +1,69 @@
+
+<h1>RSCG nr 241 :  RSCG_MCP2OpenAPI</h1>
+
+<h2>Info</h2>
+Nuget : <a href="https://www.nuget.org/packages/RSCG_MCP2OpenAPI/" target="_blank">https://www.nuget.org/packages/RSCG_MCP2OpenAPI/</a>
+
+<p>You can find more details at : <a href="https://github.com/ignatandrei/RSCG_OpenApi2MCP" target="_blank"> https://github.com/ignatandrei/RSCG_OpenApi2MCP</a></p>
+
+<p>Author :Ignat Andrei</p>
+
+<p>Source: <a href="https://github.com/ignatandrei/RSCG_OpenApi2MCP" target="_blank">https://github.com/ignatandrei/RSCG_OpenApi2MCP</a> </p>
+
+<h2>About</h2>
+
+Generating OpenAPI based on MCP source code.
+
+<h2>
+    How to use
+</h2>
+<h3>
+    Add reference to the  <a href="https://www.nuget.org/packages/RSCG_MCP2OpenAPI/" target="_blank">RSCG_MCP2OpenAPI</a> in the csproj
+</h3>
+<img src="images/RSCG_MCP2OpenAPI/MCPDemo.csproj.png" width="580" height="580" />
+
+<h3>This was for me the <b>starting</b> code</h3>
+
+        <br />
+        I have <b>coded</b> the file Program.cs
+        <br />
+    <img src="images/RSCG_MCP2OpenAPI/csFiles/Program.cs.png" width="580" height="580" />
+    <hr />
+
+        <br />
+        I have <b>coded</b> the file MyTools.cs
+        <br />
+    <img src="images/RSCG_MCP2OpenAPI/csFiles/MyTools.cs.png" width="580" height="580" />
+    <hr />
+    <h3>And here are the <i>generated</i> files</h3>
+
+        <br />
+        The file <i>generated</i> is MCP2OpenAPI.g.cs
+        <br />
+    <img src="images/RSCG_MCP2OpenAPI/generated/MCP2OpenAPI.g.cs.png" width="580" height="580" />
+
+        <br />
+        The file <i>generated</i> is Microsoft.CodeAnalysis.EmbeddedAttribute.cs
+        <br />
+    <img src="images/RSCG_MCP2OpenAPI/generated/Microsoft.CodeAnalysis.EmbeddedAttribute.cs.png" width="580" height="580" />
+
+        <br />
+        The file <i>generated</i> is MyTools_ExportToFile.g.cs
+        <br />
+    <img src="images/RSCG_MCP2OpenAPI/generated/MyTools_ExportToFile.g.cs.png" width="580" height="580" />
+
+<p>
+    You can download the code and this page as pdf from
+    <a target="_blank" href='https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_MCP2OpenAPI'>
+        https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_MCP2OpenAPI
+    </a>
+</p>
+
+
+<p>
+    You can see the whole list at 
+    <a target="_blank" href='https://ignatandrei.github.io/RSCG_Examples/v2/docs/List-of-RSCG'>
+        https://ignatandrei.github.io/RSCG_Examples/v2/docs/List-of-RSCG
+    </a>
+</p>
+
diff --git a/v2/book/list.html b/v2/book/list.html
@@ -17,7 +17,7 @@
 </head>
 <body>
     <h1>
-This is the list of 242 RSCG with examples =>
+This is the list of 243 RSCG with examples =>
     </h1>
 
 <table >
@@ -988,10 +988,14 @@ <h1>
         </tr>
             <tr>
             <td>241</td>
-            <td><a href="examples/DecoratorGenerator.html">DecoratorGenerator</a></td>
+            <td><a href="examples/RSCG_MCP2OpenAPI.html">RSCG_MCP2OpenAPI</a></td>
         </tr>
             <tr>
             <td>242</td>
+            <td><a href="examples/DecoratorGenerator.html">DecoratorGenerator</a></td>
+        </tr>
+            <tr>
+            <td>243</td>
             <td><a href="examples/RSCG_MCP2File.html">RSCG_MCP2File</a></td>
         </tr>
 </table>

diff --git a/v2/book/pandocHTML.yaml b/v2/book/pandocHTML.yaml
@@ -254,6 +254,7 @@ input-files:
 - examples/TeCLI.html
 - examples/TUnit.html
 - examples/XmlCommentGenerator.html
+- examples/RSCG_MCP2OpenAPI.html
 - examples/DecoratorGenerator.html
 - examples/RSCG_MCP2File.html
 

diff --git a/v2/rscg_examples/RSCG_MCP2OpenAPI/description.json b/v2/rscg_examples/RSCG_MCP2OpenAPI/description.json
@@ -0,0 +1,24 @@
+{
+   "generator":{
+      "name":"RSCG_MCP2OpenAPI",
+      "nuget":[
+         "https://www.nuget.org/packages/RSCG_MCP2OpenAPI/"
+      ],
+      "link":"https://github.com/ignatandrei/RSCG_OpenApi2MCP",
+      "author":"Ignat Andrei",
+      "source":"https://github.com/ignatandrei/RSCG_OpenApi2MCP"
+   },
+   "data":{
+      "goodFor":["Generating OpenAPI based on MCP source code."],
+      "csprojDemo":"MCPDemo.csproj",
+      "csFiles":["Program.cs","MyTools.cs"],
+      "excludeDirectoryGenerated":[
+         "Microsoft.AspNetCore.OpenApi.SourceGenerators",
+         "Microsoft.AspNetCore.App.SourceGenerators"],
+      "includeAdditionalFiles":[""]
+   },
-      "includeAdditionalFiles":[""]
-   },
+      "includeAdditionalFiles":[]
+   },
-      "includeAdditionalFiles":[""]
-   },
+      "includeAdditionalFiles":[]
+   },
+   "links":{
+      "blog":"",
+      "video":""
+   }
+}
diff --git a/v2/rscg_examples/RSCG_MCP2OpenAPI/nuget.txt b/v2/rscg_examples/RSCG_MCP2OpenAPI/nuget.txt
@@ -0,0 +1 @@
+Generating Swagger/OpenAPI function from MCP tool.
diff --git a/v2/rscg_examples/RSCG_MCP2OpenAPI/readme.txt b/v2/rscg_examples/RSCG_MCP2OpenAPI/readme.txt
@@ -0,0 +1 @@
+This is a place holder
diff --git a/v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo.slnx b/v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo.slnx
@@ -0,0 +1,3 @@
+<Solution>
+  <Project Path="MCPDemo/MCPDemo.csproj" />
+</Solution>
diff --git a/v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/MCPDemo.csproj b/v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/MCPDemo.csproj
@@ -0,0 +1,24 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+	<ItemGroup>
+		<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="10.0.0" />
+
+		<PackageReference Include="Microsoft.Extensions.Hosting" Version="10.0.0" />
+		<PackageReference Include="ModelContextProtocol" Version="0.5.0-preview.1" />
+		<PackageReference Include="ModelContextProtocol.AspNetCore" Version="0.5.0-preview.1" />
+		<PackageReference Include="RSCG_MCP2OpenAPI" Version="9.2025.1202.1952" />
+		<PackageReference Include="OpenAPISwaggerUI" Version="9.2024.1215.2209" />
+		<PackageReference Include="Serilog.AspNetCore" Version="10.0.0" />
+
+	</ItemGroup>
+	<PropertyGroup>
+		<EmitCompilerGeneratedFiles>true</EmitCompilerGeneratedFiles>
+		<CompilerGeneratedFilesOutputPath>$(BaseIntermediateOutputPath)\GX</CompilerGeneratedFilesOutputPath>
+	</PropertyGroup>
+</Project>
diff --git a/v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/MyTools.cs b/v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/MyTools.cs
@@ -0,0 +1,19 @@
+using ModelContextProtocol.Server;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Text;
+
+namespace MCPDemo;
+[MCP2OpenAPI.AddMCP2OpenApi()]
+partial class MyTools
+{
+    [McpServerTool]
+    [Description("Echo demo")]
+    public async Task<string> SendEcho([Description("echo")] string echoData)
+    {
+        await Task.Delay(10);
+        return echoData;
+    }
+
+}
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Generating Swagger/OpenAPI function from MCP tool.