Custom Instructions & Memory.
Teach Claude how you work once, and every conversation gets better automatically.
After this lesson you'll know
- What custom instructions are and why they matter
- How to build your own custom instructions (hands-on)
- How Claude's memory works within and across conversations
- Which pre-built template matches your work style
The Concept
Custom instructions are your Day 1 briefing for Claude.
Imagine hiring a new assistant. On their first day, you'd tell them: "Here's how I like things done. Here's my role. Here's my style." You wouldn't repeat that every morning. You'd say it once.
That's custom instructions. Persistent instructions that shape every conversation with Claude. Set them once, and Claude automatically adjusts its tone, format, and approach.
How It Works
How Claude remembers (and forgets).
Claude has four memory layers. Understanding them helps you use each one strategically.
Pick Your Template
4 custom instruction templates — pick the one that fits.
Match your work style to the right template, then customize from there.
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