npx claudepluginhub braintrustdata/braintrust-claude-plugin --plugin trace-claude-codeDefined in hooks/hooks.json
bash ${CLAUDE_PLUGIN_ROOT}/hooks/stop_hook.shbash ${CLAUDE_PLUGIN_ROOT}/hooks/session_end.sh*bash ${CLAUDE_PLUGIN_ROOT}/hooks/post_tool_use.shbash ${CLAUDE_PLUGIN_ROOT}/hooks/session_start.shbash ${CLAUDE_PLUGIN_ROOT}/hooks/user_prompt_submit.shExecutes Node.js scripts on Claude Code lifecycle events: SessionStart, UserPromptSubmit, PostToolUse, Stop, SessionEnd. No bash or file writes.