Hugging Face Spaces

Hugging Face Spaces host machine-learning applications. There are 1M+ today; each Space is a git repo. This skill covers creating, building, debugging, and maintaining them.

0. Getting ready

Before anything else:

1. Check the hf CLI is installed: which hf. If not, pip install -U huggingface_hub.
2. Check the user is logged in: hf auth whoami. If not, ask them to run ! hf auth login in this session — they'll need a write-scoped token from https://huggingface.co/settings/tokens.
3. Note whoami's canPay and isPro flags — they gate hardware choices below.

The hf-cli skill teaches an agent every hf command and is the recommended companion to this one. Install it with hf skills add hf-cli (add --claude --global to install for Claude Code as well, user-level).

1. What a Space is

A Space is a git repo with three possible SDKs: