@clerk

Reliable 84/100 · #30 of 342 scored

The easiest way to add authentication and user management to your application. Purpose-built for React, Next.js, Remix, and The Modern Web.

@clerk is a shadcn UI community registry. Its source repository is clerk/clerk-docs , which has 205 GitHub stars, 1.1k forks and 286 contributors. The last commit was today (311 commits in the last 90 days). It scores 84/100 on Sealambda's maturity index, placing it in the Reliable tier.

Scoring

Maturity breakdown

84 / 100 · Reliable

0avoid · 305080 · reliable100

Maintenance ×35% 100 → +35.0

last commit 0d ago · 311 commits/90d

Popularity ×20% 72 → +14.3

205★ · 1.1k forks

Community ×20% 93 → +18.5

286 contributors · bus factor 4 · 3 watching

Responsiveness ×13% 99 → +12.8

144/146 issues closed (99%)

Hygiene ×12% 25 → +3.0

no license · 37% health files

Signals

Repository facts

205
Stars: 1.1k
Forks: 286
Contributors: 4
Bus factor: 2
Open issues: 144
Closed issues: 311
Commits (90d): MDX
Language: none
License: —
Latest version: none
Releases: today
Last commit

Classification

License, pricing and purpose

License: No license; No license: No license: all rights reserved.
Access: No license; No license in the repository: the code is all rights reserved, even when it is free to view.
Purpose: Official Clerk registry providing authentication pages, layouts, and components for Next.js applications.
Commercial model: Free; Everything the project offers is free to use, with no paid tier. Donations and sponsorships do not count as paid.
Tied to a service: Yes; Yes when the components are a client for a commercial API or service.
Scope: Domain-specific; Focused on one problem area, such as charts, AI chat, an editor, a status page or payments; an app adds it for that feature only.
Domains: Auth; Auth: Sign-in, sign-up, account and permission screens.
Design: Vanilla shadcn; Looks like default shadcn/ui: the same shapes, spacing, borders and neutral palette, at most with another accent color.
Coverage: 0%; Share of shadcn/ui core primitives that the registry ships.

Evidence

“Clerk's shadcn/ui registry enables developers to add prebuilt components and configurations to their projects with a single command.”
commercial · homepage ↗
“Use the shadcn/ui CLI to bootstrap your Next.js app with Clerk.”
scope · homepage ↗
“Get started with Clerk authentication in seconds using the complete quickstart package”
domains · homepage ↗
“Sign-in and sign-up pages with catch-all routes Clerk middleware for route protection Header component with authentication buttons Theme provider for dark/light mode support”
design · homepage ↗

AI-suggested by google/gemini-3.8-flash@Google on 2026-10-02

Usage

Install

Add components from this registry with the shadcn CLI (configure the registry URL in your components.json):

pnpm dlx shadcn@latest add @clerk/[component]

endpoint: https://clerk.com/r/{name}.json

Homepage ↗ GitHub ↗

README

Embed the maturity badge

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[![shadcn maturity](https://shadcn.sealambda.com/badge/clerk.svg)](https://shadcn.sealambda.com/registry/clerk/)

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