Every high-value Claude feature on this wheel replaces one specific bad habit, and pairing them up is the fastest way to know what to set up first. You do not need all six, you need the one that kills the habit costing you the most time. No context file means you re-introduce yourself in every chat. CLAUDE.md fixes that. Write it once and Claude reads it before every reply, so your voice, rules, and context load automatically. Retyping the same prompt is the habit Skills remove. Turn any repeating task into a reusable command and Claude runs the workflow again without you rebuilding it. Starting from scratch every time is what Projects solve. One workspace per client or project keeps the files, brief, and rules pinned, so Claude never starts cold. Manual copy and paste goes away with MCP connectors. Connect Gmail, Notion, Drive, or Slack and Claude pulls live context in and writes back into your tools, so you stop being the courier between apps. One endless chat thread is what subagents replace. One agent gets one job, and chaining a few together gives you a real pipeline instead of one long conversation that loses the plot. Describing the fix instead of the problem is where Plan Mode helps. State the problem, let Claude show the plan first, and approve it before any work begins, so you catch mistakes while they are still cheap. Pick the habit that annoys you most this week and set up the one feature that replaces it. Bookmark this before you spend another hour fixing a habit that one setup would have removed.