--- title: Claude Code description: |- > “Documentation is no longer a record of what was built; it is the infrastructure through which we build.” > — Matt Gierharthttps://github.com/mattgierhart/PRD-driven-context-engineering doc_version: '1.0' last_updated: 23-Feb-26 canonical_url: https://garden.johanneskleske.com/claude-code --- > “Documentation is no longer a record of what was built; it is the infrastructure through which we build.” > — [Matt Gierhart](https://github.com/mattgierhart/PRD-driven-context-engineering) I've been using Claude Code within my Obsidian vault since late summer 2025. Unlike chatbots that start fresh every conversation, the context persists: files stay, and knowledge builds. It's the difference between talking to someone with amnesia and someone who actually remembers what you've been working on. I use it for research, writing, project management, and building small tools. It became the interface to my work. What fascinates me is that this hands-on experience feels fundamentally different from the abstract AI discourse. The hype around “agents” loses its mystique when they're just a tool in your workflow. “AI is whatever doesn't work yet. When it does, it's just software.” This is what it feels like when AI turns into software. Claude Code is a terminal-based tool by Anthropic that works directly with local files and folders. Unlike browser-based chat interfaces, it can read, edit, and create files. It understands project context and executes multi-step tasks autonomously. Originally built for developers, more and more knowledge workers are discovering it for non-technical tasks: research, writing, data analysis, and personal knowledge management. The strangest outcome for me: I just talk to Claude about how to solve problems, and then I'm developing code all of a sudden, and now I'm publishing stuff on [GitHub](https://github.com/jkleske). Did not see that coming. ## Why It Matters - [The Magic of Claude Code](https://www.alephic.com/writing/the-magic-of-claude-code) — Noah Brier on why Claude Code became indispensable: Unix-style composability, filesystem access, and how it turns Obsidian into a second brain. - [Claude Code is about so much more than coding](https://www.transformernews.ai/p/claude-code-is-about-so-much-more) — How Claude Code functions as a general-purpose AI agent that happens to use code, not a coding tool that happens to be an agent. - [Claude Code: What It Is, How It's Different](https://www.producttalk.org/claude-code-what-it-is-and-how-its-different/) — Teresa Torres explains the fundamental difference: ChatGPT gives advice, Claude Code actually does things. - [Move Over, ChatGPT](https://www.theatlantic.com/technology/2026/01/claude-code-ai-hype/685617/) — Lila Shroff in The Atlantic on the viral moment: people building personal tools without code, from iMessage analytics to fridge-scanning recipe apps. - [Why the Tech World Is Going Crazy for Claude Code](https://www.bloomberg.com/news/articles/2026-01-19/why-the-tech-world-is-going-crazy-for-claude-code) — Odd Lots podcast with Noah Brier explaining the basics and why it matters. - [Claude Code](https://jasmi.news/p/claude-code) — Jasmine Sun's personal account of first steps with Claude Code: the confusion, the thrill, the procrastination. ## Getting Started - [Claude Code for Everything](https://hannahstulberg.substack.com/p/claude-code-for-everything-finally) — Hannah Stulberg's beginner-friendly setup guide, no coding required. - [Claude Code for PMs](https://ccforpms.com/) — Free interactive course taught inside Claude Code itself, focused on product managers. - [Vibe Code Camp](https://x.com/jkleske/status/2015017505794961594) — 8-hour livestream by Every with AI builders demonstrating Claude Code and other tools. - [Das ULTIMATIVE Claude Code Tutorial](https://www.youtube.com/watch?v=vLwfguLz_qQ) — Christoph Magnussen's comprehensive tutorial covering setup, security, and agent workflows. For German speakers. ## Going Deeper - [Brain Dead](https://github.com/igor/braindead) — Igor Schwarzmann's reference architecture for combining markdown-based knowledge management with Claude Code. - [Everything Claude Code](https://github.com/affaan-m/everything-claude-code) — Production-ready agents, skills, hooks, and configs from an Anthropic hackathon winner. - [25 Claude Code Tips](https://www.reddit.com/r/ClaudeAI/comments/1qgccgs/25_claude_code_tips_from_11_months_of_intense_use/) — Battle-tested tips from 11 months of intense daily use. - [10 Things I Learned from Burning Myself Out with AI Coding Agents](https://arstechnica.com/information-technology/2026/01/10-things-i-learned-from-burning-myself-out-with-ai-coding-agents/) — Benj Edwards on lessons learned after 50+ projects: great for prototyping, but human vision still drives the work. ## Claude Code und Obsidian - [Obsidian + Claude Code is Beyond Useful - It's Transformative](https://emergentinsights.substack.com/p/obsidian-claude-code-is-beyond-useful) — Nori Nishigaya on leveraging Claude Code as a pipeline for productivity and growth within Obsidian. - [Claude Code and Obsidian Now Runs My Entire Day—Here's How](https://emergentinsights.substack.com/p/claude-code-and-obsidian-now-runs) — Nishigaya's follow-up on building a “Life Operating System” with Claude Code and Obsidian. --- In January 2026, Anthropic released a preview of [Claude Cowork](https://www.anthropic.com/cowork), essentially Claude Code packaged for non-technical users. It brings the persistent, task-delegation capabilities to a graphical interface. Katie Parrott explains it well: [Claude Cowork Is Claude Code for the Rest of Us](https://every.to/vibe-check/vibe-check-claude-cowork-is-claude-code-for-the-rest-of-us). For a practical beginner's guide, see [Arman Hezarkhani's thread](https://x.com/ArmanHezarkhani/status/2011818455922553106/). Of course, people are also starting to use [[Foresight with Claude Code|Claude Code for foresight]] work. And the way it turns documentation from passive archive into active infrastructure is worth its own note: [[Documentation as Infrastructure]]. ## Sitemap - [Notes Index](https://garden.johanneskleske.com/notes-index) - [Futures Terminology](https://garden.johanneskleske.com/futures-terminology.md) - [Sitemap](https://garden.johanneskleske.com/sitemap.md)