--- title: The Claude Code Feature 90% of Devs Are Ignoring | daily.dev description: Claude Code Skills are markdown files containing instructions that extend Claude's AI coding capabilities beyond native functionality. Skills can be installed... canonical: https://daily.dev/posts/5vcvmym7n twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: The Claude Code Feature 90% of Devs Are Ignoring | daily.dev og:description: Claude Code Skills are markdown files containing instructions that extend Claude's AI coding capabilities beyond native functionality. Skills can be installed... og:url: https://daily.dev/posts/5vcvmym7n og:image: https://api.daily.dev/og/posts/5VCvMYM7N.png og:image:alt: Post cover image 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. # The Claude Code Feature 90% of Devs Are Ignoring **[Rhyno Dev Coding](https://daily.dev/sources/rhynodevcoding)** · [@rvdesignstudio](https://daily.dev/rvdesignstudio) · 1 upvotes · 0 comments ## Summary Claude Code Skills are markdown files containing instructions that extend Claude's AI coding capabilities beyond native functionality. Skills can be installed from marketplaces like skills.sh or created custom using a skill creator tool. The tutorial covers distinguishing skills from MCP servers and custom commands, securely managing API keys through environment variables, and chaining skills together for complete workflows including AI image generation, optimization, and frontend design. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: --- Tags: [#ai](https://daily.dev/tags/ai), [#automation](https://daily.dev/tags/automation), [#claude](https://daily.dev/tags/claude), [#devtools](https://daily.dev/tags/devtools) [View this post on daily.dev](https://daily.dev/posts/5vcvmym7n) ```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":"DiscussionForumPosting","mainEntityOfPage":"https://daily.dev/posts/5vcvmym7n","headline":"The Claude Code Feature 90% of Devs Are Ignoring","text":"Shared: The Claude Code Feature 90% of Devs Are Ignoring","url":"https://daily.dev/posts/5vcvmym7n","datePublished":"2026-02-10T07:40:59.146Z","dateModified":"2026-03-15T07:41:18.249Z","author":{"@type":"Person","name":"Reinier","url":"https://daily.dev/rvdesignstudio","image":"https://media.daily.dev/image/upload/s--Kz1FdzK_--/f_auto/v1770580056/avatars/avatar_ErgQ3AuOe?_a=BAMAMiiu0","interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"EndorseAction"},"userInteractionCount":2840}},"image":"https://media.daily.dev/image/upload/s--58gMhC4P--/f_auto/v1722860399/public/Placeholder%2012","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"sharedContent":{"@type":"WebPage","url":"https://api.daily.dev/r/UfOpvhxV2"},"isPartOf":{"@type":"WebPage","url":"https://daily.dev/squads/rhynodevcoding","name":"Rhyno Dev Coding"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Rhyno Dev Coding","item":"https://daily.dev/squads/rhynodevcoding"},{"@type":"ListItem","position":3,"name":"The Claude Code Feature 90% of Devs Are Ignoring"}]} ```