| Name | Lines of code | Maintainability | Test coverage |
| src/models/imposter.js | 183 | C 1 day | B 81% |
| src/models/dryRunValidator.js | 187 | D 1 day | A 91% |
| src/mountebank.js | 187 | B 5 hrs | |
| src/models/protocols.js | 195 | C 1 day | B 83% |
| src/controllers/imposterController.js | 199 | D 2 days | F 54% |
| src/models/inMemoryImpostersRepository.js | 214 | C 1 day | A 100% |
| src/models/responseResolver.js | 302 | F 3 days | A 99% |
| src/models/predicates.js | 331 | C 1 day | A 97% |
| src/cli/cli.js | 389 | C 1 day | |
| src/models/behaviors.js | 420 | C 1 day | A 95% |
| src/models/filesystemBackedImpostersRepository.js | 542 | F 6 days | A 94% |