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nrwl/nx

📈 Trending★ 28,665TypeScriptAudience · developerComplexity · 3/5ActiveLicenseSetup · easy

TLDR

Nx is a build tool for monorepos that speeds up development by tracking code changes, running only affected tasks, and caching results to avoid redundant work.

Mindmap

mindmap
  root((Nx))
    What it does
      Tracks code changes
      Runs affected tasks only
      Caches build results
      Distributes CI work
    How it works
      Command-line setup
      Auto-configures tasks
      Integrates with CI
      Self-healing AI agent
    Use cases
      Speed up monorepo builds
      Organize multi-project code
      Parallelize CI pipelines
      Reduce redundant work
    Tech stack
      TypeScript
      Rust backend
      Polyglot support
    Audience
      Development teams
      Startups to enterprises

Things people build with this

USE CASE 1

Speed up test and build times in large codebases by only running tasks affected by your changes.

USE CASE 2

Organize multiple apps and libraries in a single repository with automatic task orchestration.

USE CASE 3

Distribute CI pipeline work across multiple machines to parallelize testing and builds.

USE CASE 4

Automatically detect and fix CI failures using an AI agent that proposes and verifies solutions.

Tech stack

TypeScriptRustNode.jsGitHub Actions

Getting it running

Difficulty · easy Time to first run · 5min
Nx is open-source and permissive, allowing free use for any purpose including commercial projects.

In plain English

Nx is a "monorepo platform", tooling that helps a team keep many related projects (apps, libraries, services) in a single repository and still build and test them quickly. The README's tagline is "Smart Monorepos · Fast Builds," and the description says it amplifies both developers and AI agents. According to the README, Nx is built with Rust for performance and extensible via TypeScript, and it works for TypeScript codebases as well as polyglot ones. The core idea is that it caches the outputs of tasks so that anything that did not change is not rebuilt, and it figures out which projects are "affected" by a code change and runs only those. You drop it into any existing npm, pnpm, or yarn workspace with the command nx init, and it picks up your package.json scripts without forcing you to rewrite them. An optional plugin system auto-discovers tasks for the tools you already use, with plugins listed for Vite, Webpack, Jest, Vitest, ESLint, Gradle, Maven.NET, and Go. Nx also ships an integrated CI offering that connects to providers like GitHub Actions, GitLab, and Azure to enable remote caching, distributing tasks across machines, affected-only runs, and automatic end-to-end test splitting. The README also describes a "self-healing CI" feature: an AI agent on the CI pipeline that detects failures, analyzes the root cause, proposes a fix, and verifies it. Someone would adopt Nx when a monorepo is getting slow or hard to manage, or when they want CI runs that skip work that already passed. The primary language for the repository is TypeScript.

Copy-paste prompts

Prompt 1
How do I set up Nx in my existing monorepo to speed up builds and only run affected tests?
Prompt 2
Show me how to configure Nx plugins for my tech stack (React, Node, etc.) to auto-detect tasks.
Prompt 3
How does Nx's caching work and how can I integrate it with my GitHub Actions CI pipeline?
Prompt 4
What is Nx's self-healing CI feature and how do I enable the AI agent to fix pipeline failures?
Prompt 5
How can I use Nx to distribute builds across multiple machines in parallel for faster CI?
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Generated 2026-05-21 · Model: sonnet-4-6 · Verify against the repo before relying on details.