dtolnay/cxx
Grade a repo

85

/ 100

GradeB

Well engineered. The main gaps are issue and PR templates and a contributing guide.

Top 22% of 5,156 graded repos

Safe interop between Rust and C++

Rust6,769Apache-2.023d ago

Top fixes

Highest-impact changes first, ranked by point weight

8 to address
  1. 1
    README12pt

    Add a GIF, screenshot, or logo image. It is the fastest way to show what your project does.

  2. 2
    Install and run instructions9pt

    Add a .env.example listing all required environment variables so contributors know what to set up.

  3. 3
    Reproducibility6pt

    Add .github/dependabot.yml with at least one package-ecosystem entry so dependencies are updated automatically.

  4. 4
    Issue and PR templates6pt

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

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Scorecard

Every check, grouped by category and sorted worst-first

Documentation

74

Contributing guide5pt0

No CONTRIBUTING.md found (−47 pts base + up to −53 pts more for content).

Add a CONTRIBUTING.md telling newcomers how to get involved. Include setup, code style, test, and PR instructions.

README12pt80

README is present.

Install and run instructions9pt90

README documents how to install the project.

License6pt100

Licensed under Apache-2.0.

Engineering

85

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.

Reproducibility6pt80

Lockfile present (book/package-lock.json). Installs are reproducible.

Tests18pt100

Test files detected (bridge/lib/tests).

CI/CD14pt100

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

Linting and formatting5pt100

Rust linting configured (book/eslint.config.mjs, cargo clippy in CI).

Project health

100

Dependency manifest6pt100

Dependency manifest found (Cargo.toml).

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

  • 38 / 58
    Commits (30d / 90d)
  • 413
    Forks
  • 243
    Releaseslatest 6y ago

Community

  • 71% - Fair
    Community health
  • 1 bus factorlow
    author own >50% of commits
  • 6,769
    Watchers

Responsiveness

  • 3h
    Median issue response
  • <1h
    Median PR merge time
  • 194
    Open issues
Repository files36 root entries
  • .bcr
  • .devcontainer
    Good: Environment pinned via .devcontainer/Dockerfile.
  • .github
    Good: CI is configured (.github/workflows/ci.yml).
  • .vscode
  • book
    Good: Rust linting configured (book/eslint.config.mjs, cargo clippy in CI).
    Good: Lockfile present (book/package-lock.json). Installs are reproducible.
  • bridge
    Good: Test files detected (bridge/lib/tests).
  • demo
  • flags
  • include
  • macro
  • src
  • syntax
  • tests
  • third-party
  • tools
  • .bazelignore
  • .bazelrc
  • .buckconfig
  • .buckroot
  • .clang-format
  • .clang-tidy
  • .gitattributes
  • .gitignore
    Good: .gitignore present.
  • .watchmanconfig
  • BUCK
  • BUILD.bazel
  • build.rs
  • Cargo.toml
    Good: Dependency manifest found (Cargo.toml).
  • compile_flags.txt
  • LICENSE-APACHE
  • LICENSE-MIT
  • MODULE.bazel
  • MODULE.bazel.lock
  • README.md
    Good: README is present.
    Good: README is well structured with multiple sections.
    Issue: No screenshots or images in the README (−20 pts).Fix: Add a GIF, screenshot, or logo image. It is the fastest way to show what your project does.
    Good: README has code examples.
    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.
  • reindeer.toml
  • rust-toolchain.toml
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