PenguinHarness is an open-source, self-improving harness engineered by the team behind LlamaFactory. Designed as an AI-native SDK, it empowers AI agents to autonomously build, evaluate, and optimize other agents. With a strong focus on automation and cost-efficiency, PenguinHarness makes advanced agent development accessible, enabling an agent to build a complete RAG application with just a single prompt for approximately $0.02.
Built for developers and AI engineers, the platform supports over 1,000 models and offers robust capabilities including reusable skills, comprehensive tool and context management, automatic data generation, multi-agent evaluation, and closed-loop harness evolution.
PenguinHarness is an open-source, self-improving harness built by the LlamaFactory team. Its AI-native SDK allows AI agents to autonomously build, evaluate, and optimize other agents.
PenguinHarness was built by the team behind LlamaFactory.
It supports over 1,000 models, reusable skills, tool and context management, automatic data generation, multi-agent evaluation, and closed-loop harness evolution.
With one prompt and about $0.02, an agent can build a complete RAG application using the platform.

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