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  1. Behind the Craft
  2. Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb
Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb

Behind the Craft · May 10, 2026

Moritz Kremb breaks down how to build a personal OS on Claude Code, comparing its pros (reliability) and cons against OpenClaw's autonomy.

Use a Separate AI Sub-Agent for Unbiased Content Review and Evaluation

To get an objective critique of AI-generated content, use a dedicated 'reviewer' sub-agent. This separates the drafting and evaluation processes, preventing the original agent from being biased by its own creation and ensuring a higher quality output.

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb thumbnail

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb

Behind the Craft·2 months ago

Leverage AI-Native Code Editors like Cursor for Advanced Document Management

Instead of traditional note-taking apps, using an AI-native code editor like Cursor to manage an AI's configuration and knowledge files provides powerful inline AI editing and referencing capabilities for prose, not just code.

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb thumbnail

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb

Behind the Craft·2 months ago

Automate Weekly Grocery Shopping by Training an AI on Browser Interactions

Create a reusable AI 'skill' to automate grocery shopping. The agent logs into a grocery store's website, repopulates the cart with last week's items, adds new items from a list provided via chat, and then presents the final cart for approval.

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb thumbnail

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb

Behind the Craft·2 months ago

Choose OpenClaw for an Autonomous 'Employee' and Claude Code for a Reliable 'Tool'

OpenClaw offers an 'always-on,' autonomous feel with features like Heartbeat and better mobile integration. Claude Code provides superior reliability, security, and model performance, making it a more stable tool for augmenting daily work rather than acting as a standalone agent.

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb thumbnail

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb

Behind the Craft·2 months ago

A Replicable Folder Structure Is the Foundation of a Personal AI OS

To build a robust personal OS in Claude Code, replicate OpenClaw's architecture. Use a master instruction file (e.g., `claude.md`) that systematically imports context from separate files for identity, user info, and a comprehensive tools list (`tools.md`).

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb thumbnail

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb

Behind the Craft·2 months ago

Bypass Twitter's 'Bookmark Graveyard' by DMing Content Ideas to Your Own Bot

To effectively capture content ideas from Twitter, create a bot account for your AI agent and send interesting tweets to it via Direct Message. An automation can then parse these DMs and log the ideas, creating a functional capture system that avoids unused bookmarks.

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb thumbnail

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb

Behind the Craft·2 months ago

AI Agents Can Consolidate Daily Memories Overnight into a Long-Term Store

To manage context effectively, an AI OS can run a nightly routine ('dreaming') that reviews daily memory files, compresses key information, and saves it into a long-term memory file. This process mimics human memory consolidation, preventing context loss over time.

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb thumbnail

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb

Behind the Craft·2 months ago

Prioritize New Software Tools Based on Their Automation Interfaces like CLI or API

When selecting new software, the primary evaluation criteria should be its potential for integration with AI agents. Look first for a Command Line Interface (CLI), then a platform connection like an MCP, and finally, a robust API. This prioritizes automation capability over user-facing features.

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb thumbnail

Build a Claude Code Personal OS Step by Step in 40 Minutes | Moritz Kremb

Behind the Craft·2 months ago