--- title: I created a second brain with Claude – and this is how I... description: A writer shares how they structured Claude Projects as a personal knowledge management (PKM) system, or 'second brain.' Instead of one giant project, they... canonical: https://daily.dev/posts/i-created-a-second-brain-with-claude-and-this-is-how-i-structured-it-xm3y7huhe twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: I created a second brain with Claude – and this is how I structured it | daily.dev og:description: A writer shares how they structured Claude Projects as a personal knowledge management (PKM) system, or 'second brain.' Instead of one giant project, they... og:url: https://daily.dev/posts/i-created-a-second-brain-with-claude-and-this-is-how-i-structured-it-xm3y7huhe og:image: https://api.daily.dev/og/posts/Xm3Y7HuhE.png og:image:alt: I created a second brain with Claude – and this is how I structured it og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # I created a second brain with Claude – and this is how I structured it **[XDA Developers](https://daily.dev/sources/xda-developers)** · 4 min read · 0 upvotes · 0 comments ## Summary A writer shares how they structured Claude Projects as a personal knowledge management (PKM) system, or 'second brain.' Instead of one giant project, they created multiple focused projects — each with its own instructions, uploaded documents (PDFs, Markdown files, brand guidelines, etc.), and relevant context. Using a client website project as a concrete example, they show how Claude can cross-reference documents to answer contextual questions without re-explaining background each time. The system requires periodic maintenance as files become outdated, but the Claude mobile app keeps it accessible anywhere. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [I built a second brain with Claude and NotebookLM, and they finally work together](https://daily.dev/posts/i-built-a-second-brain-with-claude-and-notebooklm-and-they-finally-work-together-yetyio8lt) · XDA Developers · 1 upvotes · 0 comments - [I built my entire second brain in Claude Projects, and NotebookLM can't compete anymore](https://daily.dev/posts/i-built-my-entire-second-brain-in-claude-projects-and-notebooklm-can-t-compete-anymore-qrcbdgi3e) · XDA Developers · 0 upvotes · 0 comments - [The Claude.md Trick: 5x Faster Development](https://daily.dev/posts/the-claude-md-trick-5x-faster-development-bzmyef5da) · SitePoint · 1 upvotes · 0 comments - [How to Build a Claude Code-Powered Knowledge Base](https://daily.dev/posts/how-to-build-a-claude-code-powered-knowledge-base-upwgnk51p) · Towards Data Science · 1 upvotes · 0 comments --- Tags: [#productivity](https://daily.dev/tags/productivity), [#claude](https://daily.dev/tags/claude) [View this post on daily.dev](https://daily.dev/posts/i-created-a-second-brain-with-claude-and-this-is-how-i-structured-it-xm3y7huhe) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"I created a second brain with Claude – and this is how I structured it","url":"https://daily.dev/posts/i-created-a-second-brain-with-claude-and-this-is-how-i-structured-it-xm3y7huhe","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/i-created-a-second-brain-with-claude-and-this-is-how-i-structured-it-xm3y7huhe"},"datePublished":"2026-07-30T11:33:02.559Z","dateModified":"2026-07-30T11:35:48.507Z","description":"A writer shares how they structured Claude Projects as a personal knowledge management (PKM) system, or 'second brain.' 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