scala/scala
Grade a repo

72

/ 100

GradeC

Popular and well-maintained. A little polish away from elite status.

Top 43% of 5,156 graded repos

Scala 2 compiler and standard library. Scala 2 bugs at https://github.com/scala/bug; Scala 3 at https://github.com/scala/scala3

Documentation92
Engineering47
Health100
Scala14,550Apache-2.01mo ago

Top fixes

Highest-impact changes first, ranked by point weight

13 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 step like `run: npm test`, `run: pytest`, or `run: tox` to your workflow file.

  3. 3
    CI/CD14pt

    Add a lint step to catch style issues automatically.

  4. 4
    CI/CD14pt

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

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Scorecard

Every check, grouped by category and sorted worst-first

Documentation

92

README12pt90

README is present.

Install and run instructions9pt90

README documents how to install the project.

Contributing guide5pt93

Contributing guide is detailed and thorough.

License6pt100

Licensed under Apache-2.0.

Engineering

47

Linting and formatting5pt0

No linter or formatter config found.

→ Add a linter config such as .eslintrc.json, .prettierrc, ruff.toml, or .golangci.yml to enforce consistent code style.

Issue and PR templates6pt0

No issue or PR templates found (−100 pts).

→ Add .github/ISSUE_TEMPLATE/ with bug_report.md and feature_request.md to guide contributors. It dramatically improves issue quality.

Reproducibility6pt12

No dependency lockfile found (−70 pts).

→ Commit the lockfile for this project's package manager so installs produce the same dependency versions everywhere.

CI/CD14pt57

CI is configured (.github/workflows/ci.yml).

Tests18pt80

Test files detected (project/src/test).

Project health

100

Dependency manifest6pt100

Dependency manifest found (Gemfile).

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

  • 3 / 28
    Commits (30d / 90d)
  • 3,082
    Forks
  • 80
    Releaseslatest 12y ago

Community

  • 75% - Good
    Community health
  • 5 bus factor
    authors own >50% of commits
  • 14,550
    Watchers

Responsiveness

  • -
    Median issue response
  • 4h
    Median PR merge time
  • 19
    Open issues
Repository files27 root entries
  • .github
    Good: CI is configured (.github/workflows/ci.yml).
    Good: Dependabot configured for github-actions.
  • admin
  • doc
  • project
    Good: Test files detected (project/src/test).
  • scripts
  • spec
  • src
  • test
  • tools
  • .gitattributes
  • .gitignore
    Good: .gitignore present.
  • .jvmopts
  • .mailmap
  • .scala-steward.conf
  • .travis.yml
  • AGENTS.md
  • build.sbt
  • CODE_OF_CONDUCT.md
    Good: Code of conduct present.
  • CONTRIBUTING.md
    Good: Contributing guide is detailed and thorough.
    Issue: Contributing guide lacks a setup section (−12 pts).Fix: Show new contributors how to get a local dev environment running.
    Good: Contributing guide describes code style expectations.
    Good: Contributing guide explains how to run tests.
    Good: Contributing guide describes the PR/review workflow.
    Good: Contributing guide includes code examples.
  • Gemfile
    Good: Dependency manifest found (Gemfile).
  • gitconfig.SAMPLE
  • LICENSE
    Good: Licensed under Apache-2.0.
  • LLM_POLICY.md
  • NOTICE
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Good: README includes screenshots or visuals. Great for first impressions.
    Good: README has code examples.
    Good: README links to a live demo or deployed app.
    Issue: No status badges in the README (−10 pts).Fix: Add CI/build status badges from shields.io or your CI provider to signal project health.
    Good: README documents how to install the project.
    Good: README documents how to run the project.
  • SECURITY.md
    Good: Security policy present.
  • versions.properties
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