| Name | Lines of code | Maintainability | Test coverage |
| lib/gruf/controllers/service_binder.rb | 72 | A 3 hrs | D 68% |
| lib/gruf/hooks/registry.rb | 78 | A 1 hr | A 95% |
| lib/gruf/interceptors/registry.rb | 78 | A 1 hr | A 100% |
| lib/gruf/error.rb | 99 | A 0 mins | A 100% |
| lib/gruf/cli/executor.rb | 100 | A 0 mins | A 91% |
| lib/gruf/client.rb | 104 | A 1 hr | A 95% |
| lib/gruf/server.rb | 105 | A 0 mins | A 94% |
| lib/gruf/configuration.rb | 119 | A 2 hrs | A 90% |
| lib/gruf/interceptors/instrumentation/request_logging/interceptor.rb | 120 | B 4 hrs | A 93% |