metadata
task_categories:
- text-generation
tags:
- code
- benchmark
- evaluation
- java
- code-translation
- agentic
pretty_name: Scarf Benchmark
Scarf (Self-Contained Application Refactoring) is a benchmark suite for evaluating AI agents' ability to migrate enterprise Java applications across Jakarta EE, Quarkus, and Spring while preserving functionality, idiomatic patterns, and architectural integrity.
| Applications | Layers | Frameworks | Tests |
|---|---|---|---|
| 102 | 6 | 3 | 1,331 |
All applications have been manually converted and verified by experienced developers.
Resources: Quickstart · Installation · Building an Agent · Leaderboard · Submit Results
Releases
| Version | Date | Description |
|---|---|---|
| v0.1.2 | 2026-03-25 | Standardized all Dockerfiles to use framework-native run commands (spring-boot:run, quarkus:run, liberty:run) |
| v0.1.1 | 2026-03-24 | Consolidated multi-module coffee-shop (Jakarta, Spring) into single Maven modules for strict architectural parity across frameworks; Dockerfile updates for PetClinic |
| v0.1.0 | 2026-03-19 | Initial release — 87 focused examples across 5 layers and 3 frameworks, plus 15 whole application variants |
Benchmark Applications
Migration Paths
| Source | Target |
|---|---|
| Jakarta EE | Quarkus |
| Jakarta EE | Spring |
| Quarkus | Spring |
| Spring | Quarkus |
Focused Examples
| Layer | Description |
|---|---|
| Business Domain | Stateful, stateless, and singleton EJBs (cart, converter, counter, helloservice, standalone) |
| Dependency Injection | CDI qualifiers, interceptors, decorators, producer methods, event observers |
| Infrastructure | Managed executors, async EJBs, timer services |
| Integration | Jakarta Batch, JMS, message-driven beans, JAX-WS, JCA |
| Persistence | JPA entities, relationships, composite keys, JPQL queries |
| Presentation | Servlets, JAX-RS, WebSocket, SSE, file uploads, filters |
| Security | Identity stores, form/basic auth, EJB security, RBAC, password hashing |
Whole Applications
| Application | Description |
|---|---|
| CargoTracker | Domain-Driven Design cargo shipping tracker with Jakarta Faces, CDI, JPA, REST, Batch, and JMS |
| Coffee Shop | Event-driven microservices (Orders, Barista, Kitchen) via Apache Kafka with MicroProfile |
| DayTrader | High-performance stock trading benchmark with JPA optimistic locking and transaction management |
| PetClinic | Veterinary clinic management with Jakarta Faces (PrimeFaces) and complex JPA relationships |
| RealWorld | Medium.com clone (Conduit) with MicroProfile JWT, JAX-RS, and Testcontainers integration tests |
Citation
@misc{scarfbench,
author = {Krishna, Rahul and McGinn, Bridget and Pavuluri, Raju},
title = {{ScarfBench}: A Benchmark for AI-Driven Enterprise Java Framework Migration},
year = {2026},
howpublished = {\url{https://scarfbench.info}},
}
Contact
| Name | |
|---|---|
| Rahul Krishna | imralk+oss@gmail.com |
| Bridget McGinn | bridget.mcginn@ibm.com |
| Raju Pavuluri | pavuluri@us.ibm.com |
License
See LICENSE file for details.