Validates all code changes before committing by running format, lint, type, and unit test checks. Use after making backend (Python) or frontend (TypeScript) changes, before committing or finishing a work session.
Install
npx skills add streamlit/streamlit --skill checking-changesnpx skills add streamlit/streamlit --skill checking-changes -a claude-code -gnpx skills add streamlit/streamlit --skill checking-changes -a codex -ggemini skills install https://github.com/streamlit/streamlit.git --path .claude/skills/checking-changesgh skill install streamlit/streamlit checking-changesgit clone --depth 1 https://github.com/streamlit/streamlit /tmp/streamlit__streamlit
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/streamlit__streamlit/.claude/skills/checking-changes ~/.claude/skills/checking-changes # Claude Code
cp -R /tmp/streamlit__streamlit/.claude/skills/checking-changes ~/.agents/skills/checking-changes # Codex, Cursor, Gemini CLI, Copilot, OpenCode