io.github.darylmcd/roslyn-mcp

Local-first MCP server for semantic C# analysis & refactoring via Roslyn & MSBuildWorkspace.

What does this entry provide?

io.github.darylmcd/roslyn-mcp is an MCP server entry in ChatHome Skills, sourced from Official MCP Registry and scored 78/100. As a Model Context Protocol server, it exposes tools that MCP-compatible LLM clients such as Claude, Cursor, and Copilot can call directly, extending an agent's reach beyond its built-in capabilities. ChatHome Skills discovered this entry through its daily ingest of official registries and GitHub discovery queries, and re-verifies repository facts, freshness signals, and install metadata on every run. The quality score weighs official-registry presence, a working install command, license clarity, GitHub star trajectory, and repository freshness — the full formula is on the Sources page. The install command above is ready to copy. Review the last-pushed date and repository status before adding io.github.darylmcd/roslyn-mcp to a production agent workflow; the snapshot facts below are point-in-time values from the most recent ingest.

Snapshot facts

Source: Official MCP Registry
Quality: 78/100
Install method: nuget
Repo: darylmcd/Roslyn-Backed-MCP
Repo updated: Sep 29, 2026

Install command

dnx Darylmcd.RoslynMcp@4.3.0 --yes

Install method: nuget

Review the upstream source before running this command.

GitHub project

Quality

Repo stars

Repo updated

Sep 29, 2026

How is this score calculated?

Weighted across six dimensions, scored 0-100.
Provenance (25): listed in an official or curated registry.
Installability (25): a runnable install command beats a declared transport, which beats a source checkout.
Maintenance (20): recency of the last push; archived entries score zero here.
Adoption (20): repository stars on a log curve.

MCP manifest

{
  "_meta": {
    "io.modelcontextprotocol.registry/official": {
      "status": "active",
      "isLatest": true,
      "updatedAt": "2026-09-29T02:11:21.886638Z",
      "publishedAt": "2026-09-29T02:11:21.886638Z",
      "statusChangedAt": "2026-09-29T02:11:21.886638Z"
    }
  },
  "server": {
    "name": "io.github.darylmcd/roslyn-mcp",
    "_meta": {
      "io.modelcontextprotocol.registry/publisher-provided": {
        "tool": "github.com/darylmcd/Roslyn-Backed-MCP",
        "license": "MIT",
        "keywords": [
          "csharp",
          "dotnet",
          "roslyn",
          "refactoring",
          "analysis",
          "mcp"
        ]
      }
    },
    "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
    "version": "4.3.0",
    "packages": [
      {
        "version": "4.3.0",
        "transport": {
          "type": "stdio"
        },
        "identifier": "Darylmcd.RoslynMcp",
        "runtimeHint": "dnx",
        "registryType": "nuget",
        "registryBaseUrl": "https://api.nuget.org/v3/index.json",
        "environmentVariables": [
          {
            "name": "ROSLYNMCP_SANCTIONED_ROOTS",
            "value": ".",
            "description": "Server-owned filesystem boundary for path validation and solution discovery. Path-separator-delimited (';' on Windows, ':' on macOS/Linux). '.' scopes the server to its working directory. An empty value fails closed: every path-taking tool rejects its input."
          }
        ]
      }
    ],
    "repository": {
      "url": "https://github.com/darylmcd/Roslyn-Backed-MCP",
      "source": "github"
    },
    "websiteUrl": "https://github.com/darylmcd/Roslyn-Backed-MCP",
    "description": "Local-first MCP server for semantic C# analysis & refactoring via Roslyn & MSBuildWorkspace."
  }
}

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