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roslyn-codelens-mcp
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roslyn-codelens-mcp

Active·★ 66·MIT·Updated 2026-10-22

Roslyn CodeLens MCP is a server that provides AI agents with deep semantic understanding and powerful analytical capabilities for .NET codebases. It offers a rich set of tools for code inspection, refactoring, diagnostics, and quality analysis, enabling advanced automated code manipulation and insights.

#Roslyn#.NET#Code Analysis#Refactoring#AI Agent Tooling#Semantic Code Understanding
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Guides
#Developer Tools
#MCP Server
$ Install
$ dotnet tool install -g RoslynCodeLens.Mcp
↗ Visit site★ GitHub
01

Features

01Find implementations, callers, and references of code symbols across a .NET solution.
02Retrieve compiler errors, warnings, and Roslyn analyzer diagnostics, along with available code fixes.
03Execute Roslyn refactorings, rename symbols, and apply structured code edits programmatically.
04Perform advanced code quality analysis including dead code detection, complexity metrics, and identifying design violations.
05Analyze data flow, control flow, and change impact, and resolve .NET stack traces to source locations.
02

Compatibility

.NET
Runtime
Verified via docs
.NET SDK
Development
Verified via docs
VS Code
Editor Integration
Verified via docs
Visual Studio
Editor Integration
Verified via docs
03

Quick start

1
$ dotnet tool install -g RoslynCodeLens.Mcp
04

Use cases

↳Automate code refactoring and apply code fixes programmatically within CI/CD pipelines or AI-driven development.
↳Enhance AI agents with deep semantic understanding for advanced code analysis, generation, and intelligent debugging.
↳Perform comprehensive code quality audits, including detecting unused code, large classes, and design pattern violations.
↳Aid in debugging and problem resolution by tracing call sites, event subscribers, and resolving mangled stack traces.
↳Facilitate codebase migration and modernization efforts by identifying breaking changes, analyzing dependencies, and inspecting external assemblies.
05

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MarcelRoozekrans /
roslyn-codelens-mcp
↗

Roslyn-based MCP server giving AI agents deep semantic understanding of .NET/C# codebases — 57 tools for navigation, call graphs, diagnostics & code fixes, code-quality auditing, test intelligence, DI graphs, and IL/external-assembly inspection.

66MIT
Last commit1d ago
StatusActive
CategoryDev Tooling
Links
Documentation↗Discussion↗Issues↗Releases↗
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