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@ignatandrei ignatandrei commented Dec 7, 2025

Summary by CodeRabbit

Release Notes

  • New Features

    • Added RSCG_MCP2OpenAPI, a new generator for creating Swagger/OpenAPI specifications from MCP tools. Includes comprehensive documentation and a working example project.
  • Documentation

    • Updated documentation and guides to reflect the new generator addition. Total RSCG examples now increased to 243. Updated date stamps and metadata across all related documentation pages.

✏️ Tip: You can customize this high-level summary in your review settings.

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coderabbitai bot commented Dec 7, 2025

Walkthrough

A new RSCG_MCP2OpenAPI example generator is added as entry 241, causing cascade renumbering of DecoratorGenerator (241→242) and RSCG_MCP2File (242→243). Corresponding updates propagate across documentation, metadata, configuration files, and example source code to reflect the new total of 243 entries with revised dates.

Changes

Cohort / File(s) Summary
Main Documentation Updates
README.md, later.md, v2/rscg_examples_site/docs/about.md, v2/rscg_examples_site/docs/indexRSCG.md
Updated total count from 242 to 243 RSCG examples; changed dates to 2025-11-15; refreshed latest update timestamps
New RSCG_MCP2OpenAPI Example
v2/rscg_examples/RSCG_MCP2OpenAPI/*
Added complete example generator directory including description.json, nuget.txt, readme.txt, video.json tour script, and MCPDemo project files (solution, project, source code)
New RSCG_MCP2OpenAPI Documentation
v2/book/examples/RSCG_MCP2OpenAPI.html, v2/rscg_examples_site/docs/RSCG-Examples/RSCG_MCP2OpenAPI.md, v2/.tours/RSCG_MCP2OpenAPI.tour
Added HTML documentation page, Markdown guide, and CodeTour walkthrough for MCP2OpenAPI example
HTML Example Pages
v2/book/examples/DecoratorGenerator.html, v2/book/examples/RSCG_MCP2File.html
Updated page titles from RSCG nr 241/242 to 242/243 respectively
Documentation Metadata
v2/rscg_examples_site/docs/RSCG-Examples/DecoratorGenerator.md, v2/rscg_examples_site/docs/RSCG-Examples/RSCG_MCP2File.md
Updated sidebar positions and titles: DecoratorGenerator 241→242, RSCG_MCP2File 242→243
Category & Author Updates
v2/rscg_examples_site/docs/Categories/MCP.md, v2/rscg_examples_site/docs/Categories/_PrimitiveMCP.mdx, v2/rscg_examples_site/docs/Categories/Decorator.md, v2/rscg_examples_site/docs/Categories/_PrimitiveDecorator.mdx, v2/rscg_examples_site/docs/Authors/Ignat_Andrei.md, v2/rscg_examples_site/docs/Authors/Leopoldo_Fu.md
Incremented MCP count 1→2; added RSCG_MCP2OpenAPI entry; updated entry dates; renumbered existing entries
Build & Config Updates
v2/book/pandocHTML.yaml, v2/book/list.html, v2/rscg_examples_site/docs/RSCG-Examples/index.md
Updated Pandoc input file list; incremented list count 242→243; refreshed mermaid diagram to include RSCG_MCP2OpenAPI node
Data & Export Files
v2/RSCGExamplesData/GeneratorDataRec.json, v2/rscg_examples_site/static/exports/RSCG.json, v2/rscg_examples_site/src/components/HomepageFeatures/index.js
Added RSCG_MCP2OpenAPI entry; updated AddedOn dates for DecoratorGenerator and RSCG_MCP2File; incremented feature count 242→243

Estimated code review effort

🎯 3 (Moderate) | ⏱️ ~22 minutes

  • Verify renumbering consistency: DecoratorGenerator and RSCG_MCP2File position shifts must be synchronized across 15+ files; spot-check sidebar_position, title fields, and list indices
  • Validate metadata integrity: Confirm date changes (2025-11-10→2025-11-13 for DecoratorGenerator; 2025-11-11→2025-11-15 for RSCG_MCP2File; 2025-11-11 for new entry) are consistent across JSON, Markdown, and HTML files
  • Example code correctness: Review MCPDemo project configuration (MCPDemo.csproj, Program.cs, MyTools.cs) for proper package versions and MCP/OpenAPI setup patterns
  • Mermaid diagram syntax: Validate the updated flowchart in index.md has correct edge syntax for the new MCP→RSCG_MCP2OpenAPI connection

Poem

🐰 A new generator hops onto the scene,
Two hundred forty-one complete—the list has been seen!
With MCP and OpenAPI in tow,
The docs cascade beautifully, all in a row,
Numbers shift gracefully, dates all align,
The garden of examples continues to shine! 🌱✨

Pre-merge checks and finishing touches

❌ Failed checks (1 warning, 1 inconclusive)
Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%. You can run @coderabbitai generate docstrings to improve docstring coverage.
Title check ❓ Inconclusive The title 'demo' is vague and generic, providing no meaningful information about the substantial changes in this pull request. Use a descriptive title that reflects the main change, such as 'Add RSCG_MCP2OpenAPI example generator' or 'Introduce RSCG_MCP2OpenAPI with 243 total examples'.
✅ Passed checks (1 passed)
Check name Status Explanation
Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
✨ Finishing touches
  • 📝 Generate docstrings
🧪 Generate unit tests (beta)
  • Create PR with unit tests
  • Post copyable unit tests in a comment
  • Commit unit tests in branch RSCG_MCP2OpenAPI

Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.

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@ignatandrei ignatandrei self-assigned this Dec 7, 2025
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Actionable comments posted: 3

🧹 Nitpick comments (3)
v2/.tours/RSCG_MCP2OpenAPI.tour (1)

1-48: CodeTour JSON and file targets look fine

The tour structure and file paths are valid and align with the new MCP2OpenAPI sample. If you want the steps to auto-focus specific lines, consider changing the "pattern": "this is the code" entries to something actually present in each file (e.g., partial class MyTools).

v2/rscg_examples_site/docs/indexRSCG.md (1)

23-25: Trim trailing spaces inside link text to satisfy markdownlint

markdownlint (MD039) flags the extra space before ] in the link texts on these three rows (e.g., [RSCG_MCP2File by Ignat Andrei ]). Removing the trailing space will quiet the linter without changing rendering.

-|243| [RSCG_MCP2File by Ignat Andrei ](/docs/RSCG_MCP2File)|2025-11-15 => 15 November 2025 | [MCP](/docs/Categories/MCP) |
-|242| [DecoratorGenerator by Leopoldo Fu ](/docs/DecoratorGenerator)|2025-11-13 => 13 November 2025 | [Decorator](/docs/Categories/Decorator) |
-|241| [RSCG_MCP2OpenAPI by Ignat Andrei ](/docs/RSCG_MCP2OpenAPI)|2025-11-11 => 11 November 2025 | [MCP](/docs/Categories/MCP) |
+|243| [RSCG_MCP2File by Ignat Andrei](/docs/RSCG_MCP2File)|2025-11-15 => 15 November 2025 | [MCP](/docs/Categories/MCP) |
+|242| [DecoratorGenerator by Leopoldo Fu](/docs/DecoratorGenerator)|2025-11-13 => 13 November 2025 | [Decorator](/docs/Categories/Decorator) |
+|241| [RSCG_MCP2OpenAPI by Ignat Andrei](/docs/RSCG_MCP2OpenAPI)|2025-11-11 => 11 November 2025 | [MCP](/docs/Categories/MCP) |
v2/rscg_examples_site/docs/RSCG-Examples/RSCG_MCP2OpenAPI.md (1)

33-40: Optionally wrap bare URLs to satisfy markdownlint (MD034)

markdownlint is flagging the bare URLs in the “NuGet”, “more details”, “Source”, and the final raw URL line. If you want a clean lint run, you can wrap them as Markdown links or angle-bracket autolinks, e.g.:

-NuGet: 
-*https://www.nuget.org/packages/RSCG_MCP2OpenAPI/*   
+NuGet:
+[*RSCG_MCP2OpenAPI on NuGet*](https://www.nuget.org/packages/RSCG_MCP2OpenAPI/)
@@
-You can find more details at https://github.com/ignatandrei/RSCG_OpenApi2MCP
-
-Source: https://github.com/ignatandrei/RSCG_OpenApi2MCP
+You can find more details at <https://github.com/ignatandrei/RSCG_OpenApi2MCP>
+
+Source: <https://github.com/ignatandrei/RSCG_OpenApi2MCP>
@@
-https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_MCP2OpenAPI
+<https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_MCP2OpenAPI>

Also applies to: 272-272

📜 Review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 5e11812 and a2a3c1c.

⛔ Files ignored due to path filters (3)
  • v2/Generator/all.csv is excluded by !**/*.csv
  • v2/rscg_examples_site/static/exports/RSCG.xlsx is excluded by !**/*.xlsx
  • v2/rscg_examples_site/static/sources/RSCG_MCP2OpenAPI.zip is excluded by !**/*.zip
📒 Files selected for processing (31)
  • README.md (4 hunks)
  • later.md (1 hunks)
  • v2/.tours/RSCG_MCP2OpenAPI.tour (1 hunks)
  • v2/RSCGExamplesData/GeneratorDataRec.json (1 hunks)
  • v2/book/examples/DecoratorGenerator.html (1 hunks)
  • v2/book/examples/RSCG_MCP2File.html (1 hunks)
  • v2/book/examples/RSCG_MCP2OpenAPI.html (1 hunks)
  • v2/book/list.html (2 hunks)
  • v2/book/pandocHTML.yaml (1 hunks)
  • v2/rscg_examples/RSCG_MCP2OpenAPI/description.json (1 hunks)
  • v2/rscg_examples/RSCG_MCP2OpenAPI/nuget.txt (1 hunks)
  • v2/rscg_examples/RSCG_MCP2OpenAPI/readme.txt (1 hunks)
  • v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo.slnx (1 hunks)
  • v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/MCPDemo.csproj (1 hunks)
  • v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/MyTools.cs (1 hunks)
  • v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/Program.cs (1 hunks)
  • v2/rscg_examples/RSCG_MCP2OpenAPI/video.json (1 hunks)
  • v2/rscg_examples_site/docs/Authors/Ignat_Andrei.md (2 hunks)
  • v2/rscg_examples_site/docs/Authors/Leopoldo_Fu.md (1 hunks)
  • v2/rscg_examples_site/docs/Categories/Decorator.md (1 hunks)
  • v2/rscg_examples_site/docs/Categories/MCP.md (1 hunks)
  • v2/rscg_examples_site/docs/Categories/_PrimitiveDecorator.mdx (1 hunks)
  • v2/rscg_examples_site/docs/Categories/_PrimitiveMCP.mdx (1 hunks)
  • v2/rscg_examples_site/docs/RSCG-Examples/DecoratorGenerator.md (1 hunks)
  • v2/rscg_examples_site/docs/RSCG-Examples/RSCG_MCP2File.md (1 hunks)
  • v2/rscg_examples_site/docs/RSCG-Examples/RSCG_MCP2OpenAPI.md (1 hunks)
  • v2/rscg_examples_site/docs/RSCG-Examples/index.md (3 hunks)
  • v2/rscg_examples_site/docs/about.md (1 hunks)
  • v2/rscg_examples_site/docs/indexRSCG.md (2 hunks)
  • v2/rscg_examples_site/src/components/HomepageFeatures/index.js (1 hunks)
  • v2/rscg_examples_site/static/exports/RSCG.json (1 hunks)
🧰 Additional context used
🪛 Biome (2.1.2)
v2/rscg_examples/RSCG_MCP2OpenAPI/video.json

[error] 35-36: Property key must be double quoted

(parse)


[error] 36-36: unexpected character =

(parse)


[error] 36-36: expected , but instead found " "

Remove " "

(parse)


[error] 36-36: expected : but instead found }

Remove }

(parse)


[error] 37-38: Expected an array, an object, or a literal but instead found ']'.

Expected an array, an object, or a literal here.

(parse)

🪛 LanguageTool
v2/rscg_examples_site/docs/Categories/_PrimitiveMCP.mdx

[style] ~5-~5: Using many exclamation marks might seem excessive (in this case: 4 exclamation marks for a text that’s 635 characters long)
Context: ...CG_MCP2OpenAPI](/docs/RSCG_MCP2OpenAPI) Nuget ![GitHub Repo stars](https://img.shields....

(EN_EXCESSIVE_EXCLAMATION)

🪛 markdownlint-cli2 (0.18.1)
v2/rscg_examples_site/docs/RSCG-Examples/RSCG_MCP2OpenAPI.md

34-34: Bare URL used

(MD034, no-bare-urls)


37-37: Bare URL used

(MD034, no-bare-urls)


39-39: Bare URL used

(MD034, no-bare-urls)


83-83: Hard tabs
Column: 1

(MD010, no-hard-tabs)


84-84: Hard tabs
Column: 1

(MD010, no-hard-tabs)


86-86: Hard tabs
Column: 1

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87-87: Hard tabs
Column: 1

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88-88: Hard tabs
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89-89: Hard tabs
Column: 1

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90-90: Hard tabs
Column: 1

(MD010, no-hard-tabs)


91-91: Hard tabs
Column: 1

(MD010, no-hard-tabs)


93-93: Hard tabs
Column: 1

(MD010, no-hard-tabs)


94-94: Hard tabs
Column: 1

(MD010, no-hard-tabs)


95-95: Hard tabs
Column: 1

(MD010, no-hard-tabs)


96-96: Hard tabs
Column: 1

(MD010, no-hard-tabs)


97-97: Hard tabs
Column: 1

(MD010, no-hard-tabs)


194-194: Code block style
Expected: fenced; Actual: indented

(MD046, code-block-style)


200-200: Fenced code blocks should have a language specified

(MD040, fenced-code-language)


232-232: Code block style
Expected: fenced; Actual: indented

(MD046, code-block-style)


236-236: Code block style
Expected: fenced; Actual: indented

(MD046, code-block-style)


247-247: Fenced code blocks should have a language specified

(MD040, fenced-code-language)

v2/rscg_examples_site/docs/indexRSCG.md

23-23: Spaces inside link text

(MD039, no-space-in-links)


24-24: Spaces inside link text

(MD039, no-space-in-links)


25-25: Spaces inside link text

(MD039, no-space-in-links)

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (1)
  • GitHub Check: call-workflow-passing-data / build (24.3.0)
🔇 Additional comments (31)
v2/rscg_examples/RSCG_MCP2OpenAPI/readme.txt (1)

1-1: Placeholder is appropriate for scaffolding.

This minimal placeholder is suitable for introducing the new RSCG_MCP2OpenAPI example structure.

v2/rscg_examples_site/docs/RSCG-Examples/DecoratorGenerator.md (1)

2-3: Metadata updates correctly reflect position shift from 241 → 242.

The sidebar_position (2410 → 2420) and title ordinal are consistent with renumbering.

v2/rscg_examples_site/docs/Categories/_PrimitiveDecorator.mdx (1)

3-3: Date update is consistent with coordinated renumbering.

The badge date change aligns with similar updates in Decorator.md and Authors files.

v2/rscg_examples_site/docs/Authors/Leopoldo_Fu.md (1)

6-6: Date update aligns with coordinated documentation refresh.

Consistent with similar date changes across category and author documentation.

v2/rscg_examples_site/docs/Categories/Decorator.md (1)

5-5: Date update is consistent with broader documentation refresh.

Aligned with similar updates in related category and author pages.

v2/rscg_examples/RSCG_MCP2OpenAPI/nuget.txt (1)

1-1: Placeholder description appropriately documents the new RSCG_MCP2OpenAPI purpose.

Suitable for scaffolding the new example structure.

v2/book/examples/DecoratorGenerator.html (1)

2-2: Title ordinal correctly updated to reflect position shift to 242.

No broken references; all content links remain valid.

v2/book/examples/RSCG_MCP2File.html (1)

2-2: Title ordinal correctly updated to reflect cascading position shift to 243.

Metadata update is consistent with the overall renumbering.

v2/rscg_examples_site/docs/RSCG-Examples/RSCG_MCP2File.md (1)

2-3: LGTM - Consistent metadata update.

The sidebar position and title numbering correctly reflect the cascade renumbering from 242→243 due to the new MCP2OpenAPI entry insertion.

v2/rscg_examples_site/docs/about.md (1)

9-9: LGTM - Total count update.

The count correctly reflects the addition of the new RSCG_MCP2OpenAPI entry, bringing the total to 243 examples.

later.md (1)

3-3: Verify the update date accuracy.

The "Latest Update" date is set to 2025-11-15, which predates the PR creation (2025-12-07) by several weeks. Please confirm this is intentional and reflects when the underlying content was last modified, rather than when this PR was created.

v2/rscg_examples_site/docs/Categories/_PrimitiveMCP.mdx (1)

3-5: LGTM - MCP category updated correctly.

The new MCP2OpenAPI entry has been properly added with appropriate badges and links. The date ordering (MCP2OpenAPI on 2025-11-11, MCP2File on 2025-11-15) aligns with the numeric sequence.

v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo.slnx (1)

1-3: LGTM - Standard solution file.

The solution file structure is valid and correctly references the MCPDemo project.

v2/rscg_examples_site/docs/Authors/Ignat_Andrei.md (2)

3-3: LGTM - Author count updated.

The author's total RSCG count correctly reflects the addition of the new entry.


48-50: LGTM - Author entries reordered correctly.

The MCP2OpenAPI and MCP2File entries are properly sequenced with correct links, badges, and dates.

v2/rscg_examples_site/src/components/HomepageFeatures/index.js (2)

7-7: LGTM - Count update.

The homepage feature title correctly reflects the new total of 243 examples.


1-66: React 19 compatibility is already established with current dependencies.

Docusaurus 3.8.1 officially supports React 19 (compatibility added in Docusaurus 3.7). The project's dependencies—@docusaurus/core 3.8.1, @mdx-js/react 3.0.0, and prism-react-renderer 2.3.0—are fully compatible with react 19.0.0. No action needed.

v2/book/examples/RSCG_MCP2OpenAPI.html (1)

1-69: LGTM - Well-structured documentation page.

The new RSCG_MCP2OpenAPI documentation follows the established template pattern with proper links to NuGet packages, GitHub repository, and example code. The structure is consistent with other example pages in the repository.

v2/book/pandocHTML.yaml (1)

257-260: Confirm intended ordering of the last three chapters.

RSCG_MCP2OpenAPI, DecoratorGenerator, and RSCG_MCP2File appear in that order. If book numbering mirrors this list, this matches 241→243. If the book expects strict numeric sort elsewhere, confirm this file is the single source of ordering truth.

v2/rscg_examples/RSCG_MCP2OpenAPI/description.json (1)

12-17: Good excludes.

Excluding Microsoft.*.SourceGenerators dirs is sensible to avoid noise in examples.

README.md (1)

1-3: Counts and renumbering look consistent; please sync site-wide.

  • 243 total and latest date 2025‑11‑15 match inserted items.
  • 241: RSCG_MCP2OpenAPI, 242: DecoratorGenerator, 243: RSCG_MCP2File align with list.html and category pages.

Please re-run whatever generator ensures these numbers/links are propagated to nav, sitemap, and any JSON exports (to prevent mismatches).

Also applies to: 7-7, 27-33, 51-75, 75-96

v2/rscg_examples_site/docs/Categories/MCP.md (1)

3-7: LGTM; ordering and badges are consistent.

MCP now lists 2 items with correct dates; keeping newest first is good.

v2/book/list.html (1)

20-20: List header and tail entries updated correctly.

Header now shows 243; rows 241–243 reflect the new insertion and renumbering.

Also applies to: 991-1000

v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/MCPDemo.csproj (1)

5-8: All referenced package versions are available on NuGet; no version issues found.

The csproj targets .NET 10.0 with aligned packages. If this app hosts ASP.NET endpoints with Swagger UI, consider using Sdk="Microsoft.NET.Sdk.Web" for proper ASP.NET hosting context. Otherwise, the current SDK is acceptable for console-based or minimal hosting scenarios.

Also applies to: 9-19, 21-23

v2/RSCGExamplesData/GeneratorDataRec.json (1)

1457-1475: New MCP2OpenAPI entry and date shifts are consistent

The added RSCG_MCP2OpenAPI record and adjusted dtStart values for DecoratorGenerator and RSCG_MCP2File line up with the chronological index and category usage; JSON remains valid.

v2/rscg_examples_site/docs/RSCG-Examples/index.md (1)

3-4: Category index and MCP wiring correctly updated

Title/description, MCP section count, the new MCP2OpenAPI link, and the mermaid edge all consistently reflect the additional MCP example without breaking the layout.

Also applies to: 1155-1165, 1907-1909

v2/rscg_examples_site/docs/indexRSCG.md (1)

10-12: Top-of-page count and ordering match underlying data

The 243 total, Microsoft count, and the ordering/dates of the new MCP2OpenAPI, DecoratorGenerator, and MCP2File entries are consistent with the generator data and category pages.

Also applies to: 23-25

v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/Program.cs (1)

17-30: Confirm DI registration of MyTools for the stdio host

The web host explicitly registers MyTools as a transient service, which is required by the generated HTTP endpoints. For the stdio host you rely solely on serverApp.WithTools<MyTools>(); depending on the MCP library, this may or may not also register MyTools with DI.

Please double-check the AddMcpServer/WithTools contract: if it doesn’t register the tools into the container for the app host, you may want to mirror the AddTransient<MyTools>() registration there as well.

v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/MyTools.cs (1)

8-17: Tool definition is clean and ready for MCP/OpenAPI generation

The MyTools partial class and SendEcho tool method are correctly annotated for MCP and MCP2OpenAPI, with a simple async echo implementation—good minimal sample with clear metadata.

v2/rscg_examples_site/static/exports/RSCG.json (2)

1925-1932: Verify GitHub repository URL for RSCG_MCP2OpenAPI.

The NuGet package name RSCG_MCP2OpenAPI suggests "MCP to OpenAPI" conversion, but the GitHub source URL is https://github.com/ignatandrei/RSCG_OpenApi2MCP, which indicates "OpenAPI to MCP" (reverse direction). Please confirm whether this is the correct repository URL or if it should be updated to match the package naming convention.


1933-1948: Date updates for cascade reordering look reasonable.

The AddedOn dates for DecoratorGenerator (2025-11-13) and RSCG_MCP2File (2025-11-15) have been updated to reflect the insertion of RSCG_MCP2OpenAPI (2025-11-11), which aligns with the expected cascade reordering. JSON structure and all required fields are valid.

Comment on lines +18 to +19
"includeAdditionalFiles":[""]
},
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⚠️ Potential issue | 🟠 Major

Replace empty string with an empty array for includeAdditionalFiles.

An empty string entry can be misinterpreted as a path; prefer no entries.

-      "includeAdditionalFiles":[""]
+      "includeAdditionalFiles":[]
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
"includeAdditionalFiles":[""]
},
"includeAdditionalFiles":[]
},
🤖 Prompt for AI Agents
In v2/rscg_examples/RSCG_MCP2OpenAPI/description.json around lines 18 to 19,
replace the includeAdditionalFiles value which is currently an array containing
an empty string ([""]) with an empty array ([]) so there are no stray path
entries; update the JSON so includeAdditionalFiles has no entries instead of a
blank string element.

Comment on lines +9 to +20
Console.WriteLine("Hello, World!");
var builderApp = Host.CreateApplicationBuilder(args);

var builderWeb = WebApplication.CreateBuilder();

// Configure all logs to go to stderr (stdout is used for the MCP protocol messages).
//builder.Logging.AddConsole(o => o.LogToStandardErrorThreshold = LogLevel.Trace);

var serverApp = builderApp.Services
.AddMcpServer();
serverApp = serverApp.WithStdioServerTransport();
serverApp.WithTools<MyTools>();
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⚠️ Potential issue | 🟠 Major

🧩 Analysis chain

🏁 Script executed:

cat -n v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/Program.cs

Repository: ignatandrei/RSCG_Examples

Length of output: 1551


Avoid writing to stdout when using stdio MCP transport

The stdio server (WithStdioServerTransport on line 19) expects stdout to carry only MCP protocol messages, as noted in the comment on line 14. The Console.WriteLine("Hello, World!"); on line 9 writes to stdout before protocol initialization and will interfere with MCP clients.

Remove this line or redirect output to stderr:

-Console.WriteLine("Hello, World!");
+// Use stderr for any diagnostics when running as an MCP stdio server.
+//Console.Error.WriteLine("Hello, World!");
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
Console.WriteLine("Hello, World!");
var builderApp = Host.CreateApplicationBuilder(args);
var builderWeb = WebApplication.CreateBuilder();
// Configure all logs to go to stderr (stdout is used for the MCP protocol messages).
//builder.Logging.AddConsole(o => o.LogToStandardErrorThreshold = LogLevel.Trace);
var serverApp = builderApp.Services
.AddMcpServer();
serverApp = serverApp.WithStdioServerTransport();
serverApp.WithTools<MyTools>();
// Use stderr for any diagnostics when running as an MCP stdio server.
//Console.Error.WriteLine("Hello, World!");
var builderApp = Host.CreateApplicationBuilder(args);
var builderWeb = WebApplication.CreateBuilder();
// Configure all logs to go to stderr (stdout is used for the MCP protocol messages).
//builder.Logging.AddConsole(o => o.LogToStandardErrorThreshold = LogLevel.Trace);
var serverApp = builderApp.Services
.AddMcpServer();
serverApp = serverApp.WithStdioServerTransport();
serverApp.WithTools<MyTools>();
🤖 Prompt for AI Agents
In v2/rscg_examples/RSCG_MCP2OpenAPI/src/MCPDemo/Program.cs around lines 9 to
20, remove or redirect the Console.WriteLine("Hello, World!"); call because the
stdio MCP transport expects stdout to carry only MCP protocol messages; either
delete that line or change it to write to stderr (e.g., Console.Error.WriteLine)
so you don't pollute MCP stdout before the server is initialized.

Comment on lines +35 to +38
{"typeStep":"browser","arg":"https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_MCP2OpenAPI#download-example-net--c-",
SpeakTest=" "},
{"typeStep":"waitseconds","arg":"30"},
]
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⚠️ Potential issue | 🔴 Critical

Fix invalid JSON in steps (unquoted key and trailing comma)

The last-but-one step isn’t valid JSON (SpeakTest=" "), and the final step has a trailing comma, so this file won’t parse.

A minimal fix is to drop the stray SpeakTest fragment and the trailing comma:

-{"typeStep":"browser","arg":"https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_MCP2OpenAPI#download-example-net--c-",
-SpeakTest=" "},
-{"typeStep":"waitseconds","arg":"30"},
-]
+{"typeStep":"browser","arg":"https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_MCP2OpenAPI#download-example-net--c-"},
+{"typeStep":"waitseconds","arg":"30"}
+]

If SpeakTest is meant to be a real property, you can instead rewrite it as a proper JSON key/value and keep it:

-{"typeStep":"browser","arg":"https://...#download-example-net--c-",
-SpeakTest=" "},
+{"typeStep":"browser","arg":"https://...#download-example-net--c-","SpeakTest":" "},

(Still remove the trailing comma after the last step.)

📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
{"typeStep":"browser","arg":"https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_MCP2OpenAPI#download-example-net--c-",
SpeakTest=" "},
{"typeStep":"waitseconds","arg":"30"},
]
{"typeStep":"browser","arg":"https://ignatandrei.github.io/RSCG_Examples/v2/docs/RSCG_MCP2OpenAPI#download-example-net--c-"},
{"typeStep":"waitseconds","arg":"30"}
]
🧰 Tools
🪛 Biome (2.1.2)

[error] 35-36: Property key must be double quoted

(parse)


[error] 36-36: unexpected character =

(parse)


[error] 36-36: expected , but instead found " "

Remove " "

(parse)


[error] 36-36: expected : but instead found }

Remove }

(parse)


[error] 37-38: Expected an array, an object, or a literal but instead found ']'.

Expected an array, an object, or a literal here.

(parse)

🤖 Prompt for AI Agents
In v2/rscg_examples/RSCG_MCP2OpenAPI/video.json around lines 35 to 38, the JSON
in the steps array is invalid: there is an unquoted/malformed token SpeakTest="
" inside the step object and a trailing comma after the final array element.
Remove the stray SpeakTest fragment from the object (or, if it should be a real
property, change it to a valid JSON key/value like "SpeakTest": " ") and also
remove the trailing comma after the last step so the array is valid JSON.

@ignatandrei ignatandrei merged commit 5b5e3c7 into main Dec 7, 2025
3 checks passed
@ignatandrei ignatandrei deleted the RSCG_MCP2OpenAPI branch December 7, 2025 18:02
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2 participants