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nvflare-convert-huggingface

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Convert existing Hugging Face Transformers Trainer or TRL SFTTrainer training code into an NVFLARE federated job using flare.patch(trainer), local validation, and job export; use when the user names Hugging Face or preliminary source inspection identifies one Hugging Face owner, and not for manual PyTorch loops, Lightning, inference-only pipelines, deployment, or experiment workflows.

skills/nvflare-convert-huggingface/SKILL.md

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Nov 6, 2026
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# NVFLARE Convert Hugging Face

## Use When

Use when converting training code built around `transformers.Trainer`, `Seq2SeqTrainer`,
TRL `SFTTrainer`, or another Trainer subclass. Support full-model and PEFT/LoRA
fine-tuning, datasets/tokenizers, Trainer callbacks and metrics, checkpoint continuity,
and replicated `torch.distributed` training.

## Do Not Use When

Do not use for an `AutoModel` driven by a manual PyTorch loop without a
Hugging Face Trainer (route to `nvflare-convert-pytorch`), PyTorch Lightning
(route to `nvflare-convert-lightning`, including Lightning modules that contain