npx claudepluginhub severity1/severity1-marketplace --plugin prompt-improverDefined in hooks/hooks.json
python3 ${CLAUDE_PLUGIN_ROOT}/scripts/improve-prompt.py || python ${CLAUDE_PLUGIN_ROOT}/scripts/improve-prompt.pyRuns Python script detect_jira_issues.py on UserPromptSubmit to automatically detect Jira issues in user prompts. 3s timeout, no bash or file writes.