--- title: Know when your code becomes unmaintainable | daily.dev description: Complexity Indicator is a VS Code extension that visualizes code complexity metrics in real time, including cyclomatic complexity, maintainability index, and... canonical: https://daily.dev/posts/know-when-your-code-becomes-unmaintainable-8e5l7ae8k twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Know when your code becomes unmaintainable | daily.dev og:description: Complexity Indicator is a VS Code extension that visualizes code complexity metrics in real time, including cyclomatic complexity, maintainability index, and... og:url: https://daily.dev/posts/know-when-your-code-becomes-unmaintainable-8e5l7ae8k og:image: https://api.daily.dev/og/posts/8e5l7AE8k.png og:image:alt: Know when your code becomes unmaintainable 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. # Know when your code becomes unmaintainable **[Product Hunt](https://daily.dev/sources/ph)** · 1 min read · 69 upvotes · 9 comments ## Summary Complexity Indicator is a VS Code extension that visualizes code complexity metrics in real time, including cyclomatic complexity, maintainability index, and nesting depth. It aims to help developers identify when code is becoming unmaintainable and decide when refactoring is needed. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@radmilomarkovic** · 3 upvotes > Cool extension. Will definitely consider using it. **@tanvirshaikh** · 3 upvotes > is it only file based or can it tell about entire codebase in general as well ? **@moinakhere** · 3 upvotes > As a person who's into DS/ML, this was actually something I needed. **@hanum** · 1 upvotes > I build something in the same space, to visualize Codebase instead of code complexity. > > [https://github.com/devlensio/devlensOSS](https://github.com/devlensio/devlensOSS) **@khauma** · 1 upvotes > If only I used vs code...sigh ## Similar posts on daily.dev - [How Complex is my Code?](https://daily.dev/posts/how-complex-is-my-code--kxokcsmfp) · Hacker News · 2 upvotes · 0 comments - [Code Maintainability: What is it and Why It's Important](https://daily.dev/posts/code-maintainability-what-is-it-and-why-it-s-important-n561jfptc) · JetBrains · 0 upvotes · 0 comments - [I didn't notice this VS Code feature until it made me question how I code](https://daily.dev/posts/i-didn-t-notice-this-vs-code-feature-until-it-made-me-question-how-i-code-wl5gkp0jc) · The Art of Simplicity · 81 upvotes · 0 comments - [Lines of code are useful](https://daily.dev/posts/lines-of-code-are-useful-nmiqpfz9n) · Lobsters · 3 upvotes · 1 comments - [Maintainability sensors for coding agents](https://daily.dev/posts/maintainability-sensors-for-coding-agents-c4l8mms6d) · Martin Fowler · 0 upvotes · 0 comments --- Tags: [#vscode](https://daily.dev/tags/vscode) [View this post on daily.dev](https://daily.dev/posts/know-when-your-code-becomes-unmaintainable-8e5l7ae8k) ```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":"Know when your code becomes unmaintainable","url":"https://daily.dev/posts/know-when-your-code-becomes-unmaintainable-8e5l7ae8k","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/know-when-your-code-becomes-unmaintainable-8e5l7ae8k"},"datePublished":"2026-04-10T08:03:53.187Z","dateModified":"2026-04-10T08:04:26.233Z","description":"Complexity Indicator is a VS Code extension that visualizes code complexity metrics in real time, including cyclomatic complexity, maintainability index, and...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/741d78ef953f13404d0926a5d16c0cca?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/741d78ef953f13404d0926a5d16c0cca?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Product Hunt","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Product Hunt","logo":"https://media.daily.dev/image/upload/t_logo,f_auto/v1/logos/ph","url":"https://daily.dev/sources/ph"},"commentCount":9,"discussionUrl":"https://daily.dev/posts/know-when-your-code-becomes-unmaintainable-8e5l7ae8k","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":69},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":9}],"keywords":"vscode","timeRequired":"PT1M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Product Hunt","item":"https://daily.dev/sources/ph"},{"@type":"ListItem","position":3,"name":"Know when your code becomes unmaintainable"}]} {"@context":"https://schema.org","@type":"WebPage","@id":"https://daily.dev/posts/know-when-your-code-becomes-unmaintainable-8e5l7ae8k","comment":[{"@type":"Comment","text":"Cool extension. Will definitely consider using it.","datePublished":"2026-04-13T22:01:35.127Z","url":"https://daily.dev/posts/8e5l7AE8k#c-OhIjw8f4E","author":{"@type":"Person","name":"Radmilo Markovic","url":"https://daily.dev/radmilomarkovic","image":"https://media.daily.dev/image/upload/s--gblKAFwc--/f_auto/v1774901807/avatars/avatar_pw9CkxZCzHWQjy1MHbhtO?_a=BAMAMiWQ0"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":3}},{"@type":"Comment","text":"is it only file based or can it tell about entire codebase in general as well ?","datePublished":"2026-04-14T08:35:49.279Z","url":"https://daily.dev/posts/8e5l7AE8k#c-a6WoiGErk","author":{"@type":"Person","name":"Tanvir Shaikh","url":"https://daily.dev/tanvirshaikh","image":"https://media.daily.dev/image/upload/s--cwxvun5d--/f_auto/v1724932893/avatars/avatar_nlEHog1G2F4vZjXDeo35x"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":3}},{"@type":"Comment","text":"As a person who’s into DS/ML, this was actually something I needed.","datePublished":"2026-04-13T10:11:16.792Z","url":"https://daily.dev/posts/8e5l7AE8k#c-xuip97nUQ","author":{"@type":"Person","name":"Moinak Samaddar","url":"https://daily.dev/moinakhere","image":"https://media.daily.dev/image/upload/s--z6xfa7iF--/f_auto/v1775498133/avatars/avatar_CYSECdoH5cDo4npcatD9i?_a=BAMAMiWQ0"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":3}},{"@type":"Comment","text":"I build something in the same space, to visualize Codebase instead of code complexity.\nhttps://github.com/devlensio/devlensOSS","datePublished":"2026-04-30T09:14:46.002Z","url":"https://daily.dev/posts/8e5l7AE8k#c-1klUoahKl","author":{"@type":"Person","name":"Shivang","url":"https://daily.dev/hanum","image":"https://lh3.googleusercontent.com/a/ACg8ocInPRng7Q10I52E6857rjHm0Qu_a-FUDu1mXKtbHHO0vlq6Xw=s96-c"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}},{"@type":"Comment","text":"If only I used vs code…sigh","datePublished":"2026-04-15T21:52:03.803Z","url":"https://daily.dev/posts/8e5l7AE8k#c-ML8SDPJMO","author":{"@type":"Person","name":"Kahlil Wallace","url":"https://daily.dev/khauma","image":"https://media.daily.dev/image/upload/s--QvppE9Ip--/f_auto/v1767378558/avatars/avatar_7eQFeSQRDx0muV3n92gxT?_a=BAMAK+ZW0"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":1}}]} ```