| Name | Lines of code | Maintainability | Test coverage |
| src/Utils/InstrumentSchema.php | 84 | B 4 hrs | |
| src/Utils/Preview.php | 23 | A 30 mins | |
| src/Utils/QueryAnalyzer.php | 431 | F 4 days | |
| src/Utils/QueryLog.php | 78 | A 2 hrs | |
| src/Utils/Tracing.php | 147 | A 1 hr | |
| src/Utils/Utils.php | 211 | B 4 hrs | |
| src/WPGraphQL.php | 347 | F 3 days | |
| src/WPSchema.php | 14 | A 0 mins | |
| webpack.config.js | 30 | A 0 mins | |
| wp-graphql.php | 79 | A 35 mins |