Claude Cowork for Beginners: Build Your Own Jarvis

Jeff Su
Jeff SuApr 28, 2026

Why It Matters

Co‑Work shows that powerful AI assistants can be built with minimal code, giving teams a cost‑effective way to automate routine tasks while preserving personalized context.

Key Takeaways

  • Co‑Work uses simple markdown files as instruction and memory layers.
  • Root claw.md defines global rules; workstations add context‑specific rules.
  • Persistent memory is achieved by reading and writing memory.mmd each session.
  • Voice principles file tailors AI output to your personal writing style.
  • Workstations automate tasks while minimizing token usage across domains.

Summary

The video walks viewers through building a Claude‑powered personal assistant called Co‑Work, using only plain‑text markdown files. By creating a root folder with a claw.md instruction manual, a memory.mmd log, and a voice‑principles.md profile, users can set up a hierarchical system that guides the AI’s behavior across all tasks.

Key insights include the separation of global and workstation‑specific rules, persistent memory via the memory.mmd file, and token‑saving references that load only when needed. The root claw.md acts like a constitutional layer, while each workstation (e.g., Email HQ, Personal Finances) adds its own claw.md to stack on top, allowing the assistant to remember active projects, tone of voice, and domain‑specific conventions.

The presenter demonstrates the setup with a tongue‑in‑cheek “hung‑over” scenario, showing Co‑Work draft a newsletter, process credit‑card statements, and generate an email using the user’s voice profile. He also corrects a mis‑categorized expense, illustrating how a single correction updates future memory. Templates and a free toolkit are provided for rapid replication.

For businesses and knowledge workers, this low‑code framework makes advanced AI assistants accessible without heavy API costs. It enables consistent, context‑aware output across email, finance, and content creation, turning a simple folder of markdown files into a scalable productivity hub.

Original Description

✅ Save 40% on Coursera Plus for 3 months - https://imp.i384100.net/c/2464514/3864512/14726
#Claude #Cowork turns Claude from a chatbot into a full operating system for your work (aka an AI Second Brain), but most people have no idea how to actually set it up.
This video walks you through the exact workspace architecture I use every day, including CLAUDE.md instruction files, persistent memory, a three-level hierarchy of workstations and projects, and real demos of Email HQ, spending trackers, and newsletter drafts that sound like me.
TIMESTAMPS
00:00 Claude Cowork for Beginners
01:24 How Claude Cowork Works
03:39 Cowork: 3-Level Hierarchy
04:58 Level 0: Root Level
11:01 Level 1: Workstations
16:17 Growing Your Claude Cowork Workspace
17:06 Claude Cowork Use Cases
18:44 Claude Cowork: Pro Tips
RESOURCES MENTIONED
BUILD A POWERFUL WORKFLOW
✍️ My Notion Command Center - https://www.pressplay.cc/link/s/DE1C4C50
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MY FAVORITE GEAR
🎬 My YouTube Gear - https://www.jeffsu.org/yt-gear/
🎒 Everyday Carry - https://www.jeffsu.org/my-edc/

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