Set up Python test environment in Claude Code for web where flox is unavailable. Use when you need to run backend tests and `uv sync` fails due to Python version mismatch.
Install
npx skills add PostHog/posthog --skill setup-web-testsnpx skills add PostHog/posthog --skill setup-web-tests -a claude-code -gnpx skills add PostHog/posthog --skill setup-web-tests -a codex -ggemini skills install https://github.com/PostHog/posthog.git --path .claude/skills/setup-web-testsgh skill install PostHog/posthog setup-web-testsgit clone --depth 1 https://github.com/PostHog/posthog /tmp/PostHog__posthog
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/PostHog__posthog/.claude/skills/setup-web-tests ~/.claude/skills/setup-web-tests # Claude Code
cp -R /tmp/PostHog__posthog/.claude/skills/setup-web-tests ~/.agents/skills/setup-web-tests # Codex, Cursor, Gemini CLI, Copilot, OpenCode