icsharpcode/ilspy
Grade a repo

85

/ 100

GradeB

Well engineered. The main gaps are the README and a contributing guide.

Top 16% of 5,156 graded repos

.NET Decompiler with support for PDB generation, ReadyToRun, Metadata (&more) - cross-platform!

Documentation82
Engineering87
Health100
C#25,730MIT11d ago

Top fixes

Highest-impact changes first, ranked by point weight

15 to address
  1. 1
    Tests18pt

    Wire your tests to a documented command (e.g. a test script in your build config) so the suite is reproducible.

  2. 2
    CI/CD14pt

    Add a lint step to catch style issues automatically.

  3. 3
    CI/CD14pt

    Add `tsc --noEmit`, `mypy`, or `cargo check` to catch type errors before they merge.

  4. 4
    CI/CD14pt

    Upload coverage to Codecov, Coveralls, or report it with `--coverage` flags.

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Scorecard

Every check, grouped by category and sorted worst-first

Documentation

82

Contributing guide5pt53

Contributing guide is too short for full depth credit (−6 pts). 400+ words earns the full +12 pts.

→ Add setup instructions, code style notes, and how to run tests.

README12pt78

README is present.

Install and run instructions9pt90

README documents how to install the project.

License6pt100

Licensed under MIT.

Engineering

87

Tests18pt80

Test files detected (ICSharpCode.Decompiler.Tests/DataFlowTest.cs).

CI/CD14pt85

CI is configured (.github/workflows/build-frontends.yml).

Reproducibility6pt92

Lockfile present (ICSharpCode.BamlDecompiler/packages.lock.json). Installs are reproducible.

Linting and formatting5pt100

.NET formatting configured (.editorconfig).

Issue and PR templates6pt100

Issue or PR templates present.

Project health

100

Dependency manifest6pt100

Dependency manifest found (ILSpy.Installer.sln).

Repository metadata5pt100

Repository has a description.

Activity5pt100

Actively maintained (pushed within the last month).

Housekeeping3pt100

.gitignore present.

Repository health signals

Activity, community, and responsiveness at scan time

Activity

  • 88 / 825
    Commits (30d / 90d)
  • 3,686
    Forks
  • 84
    Releaseslatest 8y ago

Community

  • 75% - Good
    Community health
  • -
    authors own >50% of commits
  • 25,730
    Watchers

Responsiveness

  • 12h
    Median issue response
  • 18h
    Median PR merge time
  • 199
    Open issues
Repository files51 root entries
  • .github
    Good: CI is configured (.github/workflows/build-frontends.yml).
    Good: Dependabot configured for github-actions.
    Good: Issue or PR templates present.
  • .vscode
  • BuildTools
  • doc
  • ICSharpCode.BamlDecompiler
    Good: Lockfile present (ICSharpCode.BamlDecompiler/packages.lock.json). Installs are reproducible.
  • ICSharpCode.Decompiler
    Good: Licensed under MIT.
  • ICSharpCode.Decompiler.Generators
  • ICSharpCode.Decompiler.PowerShell
  • ICSharpCode.Decompiler.TestRunner
  • ICSharpCode.Decompiler.Tests
    Good: Test files detected (ICSharpCode.Decompiler.Tests/DataFlowTest.cs).
  • ICSharpCode.ILSpyCmd
    Good: Environment pinned via ICSharpCode.ILSpyCmd/AsContainer/Dockerfile.
  • ICSharpCode.ILSpyCmd.Tests
  • ICSharpCode.ILSpyX
  • ILSpy
  • ILSpy.AddIn.VS2022
  • ILSpy.BamlDecompiler.Tests
  • ILSpy.BamlDecompiler.Tests.Windows
  • ILSpy.Installer
  • ILSpy.ReadyToRun
  • ILSpy.Tests
  • ILSpy.Tests.Windows
  • TestFixtures.Resources
  • TestPlugin
  • .editorconfig
    Good: .NET formatting configured (.editorconfig).
  • .git-blame-ignore-revs
  • .gitattributes
  • .gitignore
    Good: .gitignore present.
  • .gitmodules
  • .tgitconfig
  • build.ps1
  • CLAUDE.md
  • clean.ps1
  • CONTRIBUTING.md
    Issue: Contributing guide is too short for full depth credit (−6 pts). 400+ words earns the full +12 pts.Fix: Add setup instructions, code style notes, and how to run tests.
    Issue: Contributing guide lacks a setup section (−12 pts).Fix: Show new contributors how to get a local dev environment running.
    Issue: Contributing guide lacks a code style section (−8 pts).Fix: Describe your linting/formatting rules and how to run them.
    Issue: Contributing guide lacks a testing section (−8 pts).Fix: Show contributors how to run the test suite (e.g. npm test, pytest, cargo test).
    Issue: Contributing guide lacks a PR workflow section (−8 pts).Fix: Explain how to fork, branch, and open a pull request so contributors know what to expect.
    Issue: Contributing guide has no code examples (−5 pts).Fix: Add code blocks showing example commands for setup, running tests, and submitting a PR.
  • decompiler-nuget-demos.ipynb
  • Directory.Build.props
  • Directory.Packages.props
  • global.json
  • ILSpy-tests
  • ILSpy.Desktop.slnf
  • ILSpy.Installer.sln
    Good: Dependency manifest found (ILSpy.Installer.sln).
  • ILSpy.sln
  • ILSpy.VSExtensions.slnx
  • ILSpy.XPlat.slnf
  • LICENSE
  • NuGet.config
  • publish.ps1
  • publishlocaldev.ps1
  • README.md
    Good: README is present.
    Issue: README has some structure (−7 pts). 2-3 headings earns partial credit; 4+ earns the full +15 pts.Fix: Add more sections (Overview, Install, Usage, Contributing) using ## headings.
    Good: README includes screenshots or visuals. Great for first impressions.
    Issue: README has no code examples (−15 pts).Fix: Show a quick-start snippet so contributors can see what using your project looks like.
    Good: README links to a live demo or deployed app.
    Good: README includes status badges.
    Good: README documents how to install the project.
    Good: README documents how to run the project.
  • restore.ps1
  • SECURITY.md
    Good: Security policy present.
  • updatedeps.ps1
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