How the Engineer Behind Claude Cowork Actually Uses Claude | Felix Rieseberg (Anthropic)

Why It Matters

By turning routine tasks into AI‑automated actions, Claude empowers individuals and teams to reclaim creative time and accelerates product development, heralding a shift toward ubiquitous, low‑cost AI assistants.

Key Takeaways

• Claude Co‑work lets users automate mundane tasks via AI‑driven workflows.
• Engineers can build a $20 “Claude Buddy” hardware button for approvals.
• Switching between Sonnet‑46 and Opus models depends on problem complexity.
• Claude can generate interactive 3D floor‑plan planners from simple PDFs.
• Feeding personal data (emails, calendar) enhances Claude’s personal‑assistant power.

Summary

The video showcases Anthropic engineer Felix Rieseberg demonstrating how Claude’s Co‑work suite and the low‑cost “Claude Buddy” hardware button can turn everyday chores into automated AI workflows. Rieseberg emphasizes that AI’s value lies beyond moving a mouse cursor—it should handle background tasks so users can focus on creative work.

Key insights include using Claude to parse a real‑estate floor plan, generate unit counts, and then build an interactive 3D interior‑design planner without explicit programming. He explains his model‑selection heuristic: routine, well‑scoped jobs run on the efficient Sonnet‑46 model, while ambiguous or interpretive queries trigger the more powerful Opus model. The hardware button, built for about $20, lets users approve Claude actions with a single press.

Notable examples feature a “tiny claw” device that signals approval, a moving‑day workflow where Claude extracts garage dimensions from permits and proposes furniture layouts, and the clever use of personal email receipts to auto‑populate a virtual inventory of owned furniture. Rieseberg also notes his nine‑year‑old’s spontaneous security queries, illustrating how children treat AI as an unrestricted knowledge source.

The broader implication is that AI‑driven automation is becoming accessible to both technical and non‑technical users, shrinking development cycles from weeks to hours and enabling personalized assistants that integrate with a user’s own data. Hardware add‑ons like Claude Buddy could spawn a new market of AI‑approved workflow tools, reshaping productivity expectations across industries.

Original Description

Felix Rieseberg is the engineering lead for Claude Cowork and Claude Code Desktop at Anthropic. He previously spent five years at Slack building developer tools. In this episode, Felix demonstrates how he uses Claude to solve real-life problems: analyzing floor plans to build interactive 3D house walkthroughs, automatically tracking promises he makes on Twitter, and building a $20 hardware device that physically approves Claude actions with a button press.

What you’ll learn:

1. How to use Claude Cowork to turn a 2D floor plan into an interactive 3D walkthrough where you can move furniture around

2. The “go one abstraction layer up” philosophy: why you should never manually enter data Claude can find itself

3. How to use your email as an inventory database for furniture, clothing, and personal purchases

4. When to use Opus vs. Sonnet 4.6 (hint: it’s about how well you can scope the problem, not technical complexity)

5. How live artifacts work and why they’re powerful for dashboards that refresh with real-time data from your connectors

6. The product philosophy behind making latency delightful

7. How to build your own $20 hardware device using Claude Code (no hardware experience required)

8. Why Felix never reads the code Claude writes and judges it purely on output

Brought to you by:

Magic Patterns—Prototypes that look like your product: https://magicpatterns.com/howiai

Guru—The AI layer of truth: http://getguru.com/

In this episode, we cover:

(00:00) Introduction to Felix Rieseberg

(02:40) Felix’s role at Anthropic

(03:25) The multiple tabs in Claude and why they exist

(05:55) Using Claude Cowork to design a new house using floor plans

(09:52) When to use Opus versus Sonnet 4.6

(12:37) Building an interactive 3D furniture planner

(14:30) Using your email as a source of truth for personal inventory

(15:58) The anti-to-do list: going one abstraction layer up

(23:14) Introduction to live artifacts

(26:02) Building a personal dashboard with live data

(28:37) Being polite to Claude (and why it matters for your humanity)

(30:28) Claude interaction tips

(32:33) Looking at the daily dashboard

(33:55) How live artifacts work with connectors

(35:02) Redesigning the dashboard

(37:55) The biggest gap: people don’t know what problems AI can solve

(41:52) The reverse interview

(42:30) Making latency delightful through asynchronous design

(44:05) The redesigned dashboard

(45:28) AI should free up your creative energy

(46:44) Building a $20 hardware Claude buddy

(52:33) Why kids are magical AI users

(54:30) Recap and final thoughts

Blog & detailed workflow walkthroughs from this episode:

How I AI: Felix Rieseberg’s Claude Workflows for 3D House Design and a $20 Hardware Buddy: https://www.chatprd.ai/how-i-ai/felix-rieseberg-claude-code-cowork-workflows-for-3d-house-design-and-hardware-buddy

↳ How to Build a $20 Physical AI ‘Buddy’ with Claude Code: https://www.chatprd.ai/how-i-ai/workflows/how-to-build-a-20-physical-ai-buddy-with-claude-code

↳ How to Create an Interactive 3D House Model from a Floor Plan Using AI: https://www.chatprd.ai/how-i-ai/workflows/how-to-create-an-interactive-3d-house-model-from-a-floor-plan-using-ai

↳ How to Build a Live, Auto-Updating Personal Dashboard with Claude: https://www.chatprd.ai/how-i-ai/workflows/how-to-build-a-live-auto-updating-personal-dashboard-with-claude

Tools referenced:

• Claude Cowork: https://www.anthropic.com/product/claude-cowork

• Claude Code: https://claude.ai/code

• Claude for Chrome: https://code.claude.com/docs/en/chrome

• Claude Desktop: https://claude.ai/download

• Live Artifacts: https://support.claude.com/en/articles/14729249-use-live-artifacts-in-claude-cowork

• Connectors (Spotify, Gmail, Calendar, Notion): https://claude.ai/settings/connectors

• Slack: https://slack.com/

Where to find Felix Rieseberg:

Website: https://felixrieseberg.com/

LinkedIn: https://www.linkedin.com/in/felixrieseberg/

X: https://x.com/felixrieseberg

GitHub: https://github.com/felixrieseberg

Where to find Claire Vo:

ChatPRD: https://www.chatprd.ai/

Website: https://clairevo.com/

LinkedIn: https://www.linkedin.com/in/clairevo/

X: https://x.com/clairevo

_Production and marketing by https://penname.co/._

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