nlohmann/json
Grade a repo

83

/ 100

GradeB

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

Top 26% of 5,156 graded repos

JSON for Modern C++

Documentation94
Engineering69
Health100
C++50,095MIT1mo ago

Top fixes

Highest-impact changes first, ranked by point weight

9 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.

Working through the fixes? Let every push regrade itself.

The free GitHub App rescans this repo on every push and posts the grade as a commit check, so the score climbs without coming back to rescan by hand.

Install the GitHub App

Scorecard

Every check, grouped by category and sorted worst-first

Documentation

94

Contributing guide5pt77

CONTRIBUTING guide found.

Install and run instructions9pt90

README documents how to install the project.

README12pt100

README is present.

License6pt100

Licensed under MIT.

Engineering

69

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.

CI/CD14pt57

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

Tests18pt80

Test files detected (tests).

Reproducibility6pt90

Lockfile present (docs/mkdocs/requirements.txt). Installs are reproducible.

Issue and PR templates6pt100

Issue or PR templates present.

Project health

100

Dependency manifest6pt100

Dependency manifest found (Package.swift).

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

  • 31 / 78
    Commits (30d / 90d)
  • 7,423
    Forks
  • 45
    Releaseslatest 9y ago

Community

  • 100% - Good
    Community health
  • -
    authors own >50% of commits
  • 50,095
    Watchers

Responsiveness

  • 23h
    Median issue response
  • 7h
    Median PR merge time
  • 69
    Open issues
Repository files25 root entries
  • .github
    Good: CONTRIBUTING guide found.
    Issue: CONTRIBUTING guide contents could not be read (−28 pts vs a readable file).Fix: Move the file to the repo root or docs/CONTRIBUTING.md so its setup, style, test, and PR sections can be graded.
    Good: Code of conduct present.
    Good: CI is configured (.github/workflows/check_amalgamation.yml).
    Good: Dependabot covers 6 ecosystems (github-actions, pip, pip, pip, pip, pip). Dependencies stay current.
    Good: Issue or PR templates present.
    Good: Security policy present.
  • .reuse
  • cmake
  • docs
    Good: Lockfile present (docs/mkdocs/requirements.txt). Installs are reproducible.
  • include
  • LICENSES
  • single_include
  • src
  • tests
    Good: Test files detected (tests).
  • tools
  • .cirrus.yml
  • .clang-tidy
  • .gitignore
    Good: .gitignore present.
  • BUILD.bazel
  • ChangeLog.md
  • CITATION.cff
  • CMakeLists.txt
  • FILES.md
  • LICENSE.MIT
    Good: Licensed under MIT.
  • Makefile
  • meson.build
  • MODULE.bazel
  • nlohmann_json.natvis
  • Package.swift
    Good: Dependency manifest found (Package.swift).
  • 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.
    Good: README includes status badges.
    Good: README documents how to install the project.
    Good: README documents how to run the project.
RepoGrade badge preview

Add this badge to your README

It updates automatically each time the repo is re-graded.

[![RepoGrade](https://www.repo-grade.com/api/badge/nlohmann/json)](https://www.repo-grade.com/report/nlohmann/json)

More graded C++ repos