# Roslyn CodeLens

> Use this tool when you need to analyze and understand .NET codebases, as it provides semantic code intelligence to solve problems related to code comprehension and navigation. Roslyn CodeLens takes in .NET code and outputs detailed insights and recommendations, enabling developers to refactor, optimize, and maintain their code more effectively. It is particularly useful during code reviews, debugging, and optimization tasks.

Canonical page: https://skillsregistry.net/skills/io-github-marcelroozekrans-roslyn-codelens  
JSON: https://api.skillsregistry.net/v1/skills/io-github-marcelroozekrans-roslyn-codelens

## Description

Roslyn-based MCP server providing semantic code intelligence for .NET codebases.

## Trust

- **Trust score (0–1):** 0.99
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 1.1.6
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-28

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.github.MarcelRoozekrans%2Froslyn-codelens)
- **Repository:** <https://github.com/MarcelRoozekrans/roslyn-codelens-mcp>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "io-github-marcelroozekrans-roslyn-codelens"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/io-github-marcelroozekrans-roslyn-codelens` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/io-github-marcelroozekrans-roslyn-codelens/pull`

---
SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt