RoslynMcpServer

Name: RoslynMcpServer Review
Item: RoslynMcpServer
Rating: 2.8
Author: Aaron Matthews

Connector Development Usable

Works inClaude Code Claude Cowork Claude Chat

Usable Scanned — metadata only

Enables LLMs to perform precise, syntax-aware C# refactoring by leveraging the Roslyn compiler API.

Model Context Protocol server for Roslyn-powered C# refactoring operations

Ask Claude to refactor C# code using Roslyn analysis
Generate code improvements based on C# syntax and semantics
Automate complex refactoring tasks within C# projects

31 starsMIT (commercial OK)FreeNo code needed

Usable rating — This tool is functional but has notable gaps. Review the evaluation notes below before deploying.

Why it matters

Enables LLMs to perform precise, syntax-aware C# refactoring by leveraging the Roslyn compiler API. This reduces the risk of syntax errors and broken builds during automated code transformations.

Best for

Dotnet developers and engineering leads requiring high-fidelity automated refactoring within AI-assisted workflows.

Works in

Claude Code Claude Cowork Claude Chat

Source

https://github.com/JoshuaRamirez/RoslynMcpServer

By JoshuaRamirez

How to Get It

Option 1: Claude Desktop AppOpen the Customize panel in the sidebar → browse connectors → search and add. Works in Claude Code, Claude Cowork, and Claude Chat.

Option 2: Paste into Claude CodeCopy the command below and paste it into a Claude Code conversation. Claude will run it for you.

Command

claude mcp add RoslynMcpServer -- npx -y RoslynMcpServer

Tip: Paste this into a Claude Code conversation. Verify command matches your Claude Code version.

Auto-generated from the tool's public listing — not hands-on verified. Cross-check against the source repo's README before running.

First thing to try

Once it’s connected, paste this into Claude:

Refactor C# code using Roslyn analysis

CostFree

Trust Signals Auto-scanned

Stars31Last updated2026-10-29LicenseMIT (OK for commercial use)Known CVEsNone foundSources: GitHub Advisory Database + OSV.dev · Scanned 2026-10-29 · scanner v1

Data & Access

Data processingPrompts sent to Anthropic API. Enterprise/Team plans exclude training.

Reviewer notes

Auto-scanned review. These are observations, not a security certification.

Scored from trust signals (evidence-eval-v1): 31 GitHub stars; contributors unknown; last commit 0d ago; license MIT.

Things to check

Scanned, not hands-on tested — this entry was auto-scanned from public metadata (GitHub metrics, license, security flags). No reviewer has run it, and no tool-specific limitations have been documented yet.

How to evaluate tools before deploying →

Data shown here comes from public APIs and automated scanning. Reviewer notes reflect one person's experience. This is not a security certification or legal recommendation. Always evaluate tools according to your own organization's policies.

Evaluation Scores

Evaluation

Ease of Use

3/5

Versatility

2/5

Reliability

3/5

Security

3/5

Overall score2.75 / 5.00 UsableEvaluatedOct 2026

Scored from trust signals (evidence-eval-v1): 31 GitHub stars; contributors unknown; last commit 0d ago; license MIT.

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