# dotnet/roslyn-analyzers

Repository: https://github.com/dotnet/roslyn-analyzers
Canonical: https://ross.abutalabs.com/products/roslyn-analyzers
License Family: other
Topics: hacktoberfest
Last push: 2026-08-24T05:07:08+00:00

## Health v2 (maintenance only)
Score: 79/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 99, release rhythm 40, longevity 100
- inputs: {"age_days": 4107, "days_push": 9, "days_rel": 629, "gap_med": 0, "n_releases_24m": 4}
- flags: no_license
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1672, forks 478 (observed 2026-08-28T04:05:20.167286+00:00)

## What it is
The former home of Microsoft's Roslyn source analyzers for .NET, including Microsoft.CodeAnalysis.NetAnalyzers. The repository has been consolidated: NetAnalyzers moved into dotnet/sdk and all other analyzers moved into dotnet/roslyn.

## Use cases
- run code quality analyzers on C# and VB.NET projects
- enforce .NET API usage rules at compile time
- find bugs and style issues in .NET code with Roslyn diagnostics
- configure analyzer severity rules in .NET projects
- migrate from the old roslyn-analyzers repo to its new locations

## When to choose
- you need the historical source of the original Microsoft.CodeAnalysis.NetAnalyzers package
- you want to trace where an analyzer diagnostic originated before the consolidation

## When to avoid
- you want active development or new analyzer features - use dotnet/sdk for NetAnalyzers
- you need the other analyzers that now live in dotnet/roslyn
- you want to file new issues or contribute - this repository is consolidated and no longer developed

## Facets
- artifact type: library
- maturity: abandoned
- function: linter, developer-tools
- domain: developer-tools, programming-languages, testing
- platform: dotnet, cross-platform
- tags: roslyn-analyzers, csharp, static-analysis, code-quality, deprecated, moved-to-dotnet-sdk, moved-to-dotnet-roslyn

## Member repositories
- dotnet/roslyn-analyzers (main) score 79

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:05:20.167286+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T03:42:37.202232+00:00, confidence not recorded.
  - readme: https://github.com/dotnet/roslyn-analyzers (fetched 2026-08-28T04:05:20.167286+00:00, sha d65060af133a)
- Data as of 2026-08-30T08:39:29.467469+00:00.