--- title: What Claude Code Can Do That You Haven't Tried - Gui... description: A rapid-fire talk covering ~40 advanced Claude Code tips across four categories: setup, daily workflow, extensibility, and non-coding use cases. Key topics... canonical: https://daily.dev/posts/what-claude-code-can-do-that-you-haven-t-tried---gui-ferreira---ndc-ai-2026-suh8tvqrh twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: What Claude Code Can Do That You Haven't Tried - Gui Ferreira - NDC AI 2026 | daily.dev og:description: A rapid-fire talk covering ~40 advanced Claude Code tips across four categories: setup, daily workflow, extensibility, and non-coding use cases. Key topics... og:url: https://daily.dev/posts/what-claude-code-can-do-that-you-haven-t-tried---gui-ferreira---ndc-ai-2026-suh8tvqrh og:image: https://api.daily.dev/og/posts/SUh8TVqRh.png og:image:alt: What Claude Code Can Do That You Haven't Tried - Gui Ferreira - NDC AI 2026 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. # What Claude Code Can Do That You Haven't Tried - Gui Ferreira - NDC AI 2026 **[NDC Conferences](https://daily.dev/sources/ndc)** · 58 min read · 0 upvotes · 0 comments ## Summary A rapid-fire talk covering ~40 advanced Claude Code tips across four categories: setup, daily workflow, extensibility, and non-coding use cases. Key topics include optimizing CLAUDE.md files based on ETH Zurich research (over-specification hurts performance and raises costs by 20%+), using claude.local.md and global profiles for personal preferences, blocking sensitive file reads via settings.json permissions, plan mode editing with Ctrl+G, conversation rewind, model/effort switching mid-session, the /btw parallel query command, context window management and the 'dumb zone' above 50%, hooks for token-free post-tool actions, agent skills vs MCP servers, project-scoped .mcp.json files, headless/piping mode, the /call command with stop conditions, multi-agent dashboard, voice mode, image pasting in terminal, and non-code uses like Obsidian note management and file organization. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#productivity](https://daily.dev/tags/productivity), [#mcp](https://daily.dev/tags/mcp), [#claude-code](https://daily.dev/tags/claude-code), [#ai-assisted-development](https://daily.dev/tags/ai-assisted-development) [View this post on daily.dev](https://daily.dev/posts/what-claude-code-can-do-that-you-haven-t-tried---gui-ferreira---ndc-ai-2026-suh8tvqrh) ```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":"What Claude Code Can Do That You Haven't Tried - Gui Ferreira - NDC AI 2026","url":"https://daily.dev/posts/what-claude-code-can-do-that-you-haven-t-tried---gui-ferreira---ndc-ai-2026-suh8tvqrh","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/what-claude-code-can-do-that-you-haven-t-tried---gui-ferreira---ndc-ai-2026-suh8tvqrh"},"datePublished":"2026-07-01T13:53:31.792Z","dateModified":"2026-07-01T13:53:55.296Z","description":"A rapid-fire talk covering ~40 advanced Claude Code tips across four categories: setup, daily workflow, extensibility, and non-coding use cases. 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