| Name | Lines of code | Maintainability | Test coverage |
| stdlib/quickjs/kernel.rb | 2 | A 0 mins | |
| stdlib/racc/parser.rb | 318 | F 3 days | |
| stdlib/rbconfig.rb | 19 | A 0 mins | |
| stdlib/rbconfig/sizeof.rb | 48 | A 0 mins | |
| stdlib/ruby2_keywords.rb | 31 | A 0 mins | |
| stdlib/securerandom.rb | 56 | A 0 mins | |
| stdlib/set.rb | 0 | A 0 mins | |
| stdlib/shellwords.rb | 53 | A 35 mins | |
| stdlib/singleton.rb | 34 | A 0 mins | |
| stdlib/stringio.rb | 87 | A 1 hr | |
| stdlib/strscan.rb | 218 | A 0 mins | |
| stdlib/template.rb | 35 | A 0 mins | |
| stdlib/thread.rb | 140 | A 0 mins | |
| stdlib/time.rb | 60 | A 2 hrs | |
| stdlib/uri.rb | 42 | A 1 hr | |
| stdlib/yaml.rb | 1 | A 0 mins | |
| yarn.lock |