> **Building with AI coding agents?** If you're using an AI coding agent, install the official Scalekit plugin. It gives your agent full awareness of the Scalekit API — reducing hallucinations and enabling faster, more accurate code generation.
>
> - **Claude Code**: `/plugin marketplace add scalekit-inc/claude-code-authstack` then `/plugin install <auth-type>@scalekit-auth-stack`
> - **GitHub Copilot CLI**: `copilot plugin marketplace add scalekit-inc/github-copilot-authstack` then `copilot plugin install <auth-type>@scalekit-auth-stack`
> - **Codex**: run the bash installer, restart, then open Plugin Directory and enable `<auth-type>`
> - **Skills CLI** (Windsurf, Cline, 40+ agents): `npx skills add scalekit-inc/skills --list` then `--skill <skill-name>`
>
> `<auth-type>` / `<skill-name>`: `agentkit`, `full-stack-auth`, `mcp-auth`, `modular-sso`, `modular-scim` — [Full setup guide](https://docs.scalekit.com/dev-kit/build-with-ai/)

---

# Modular SSO

Code samples demonstrating Single Sign-On implementations with Express.js, .NET Core, Firebase, AWS Cognito, and Next.js
### [Add SSO to Express.js apps](https://github.com/scalekit-inc/nodejs-example-apps/tree/main/sso-express-example)

Implement Scalekit SSO in a Node.js Express application. Includes middleware setup for secure session handling

### [Add SSO to .NET Core apps](https://github.com/scalekit-inc/dotnet-example-apps)

Secure .NET Core applications with Scalekit SSO. Demonstrates authentication pipelines and user claims management

### [Add SSO to Spring Boot apps](https://github.com/scalekit-developers/scalekit-springboot-example)

Integrate Scalekit SSO with Spring Security. Shows how to configure security filters and protect Java endpoints

### [Add SSO to Python FastAPI](https://github.com/scalekit-developers/scalekit-fastapi-example)

Add enterprise SSO to FastAPI services using Scalekit. Includes async route protection and user session validation

### [Add SSO to Go applications](https://github.com/scalekit-developers/scalekit-go-example)

Implement Scalekit SSO in Go. Features idiomatically written middleware for securing HTTP handlers

### [Add SSO to Next.js apps](https://github.com/scalekit-developers/scalekit-nextjs-demo)

Secure Next.js applications with Scalekit. Covers both App Router and Pages Router authentication patterns

### Scalekit SSO + Your own auth system

### [Connect Firebase Auth with SSO](https://github.com/scalekit-inc/scalekit-firebase-sso)

Enable Enterprise SSO for Firebase apps using Scalekit. Learn to link Scalekit identities with Firebase Authentication

### [Connect AWS Cognito with SSO](https://github.com/scalekit-inc/scalekit-cognito-sso)

Add Enterprise SSO to Cognito user pools via Scalekit. Step-by-step guide to federating identity providers

### [Cognito + Scalekit for Next.js](https://github.com/scalekit-inc/nextjs-example-apps/tree/main/cognito-scalekit)

Integrate Cognito and Scalekit SSO in Next.js. Uses OIDC protocols to secure your full-stack React application

## Admin portal

### [Embed admin portal](https://github.com/scalekit-inc/nodejs-example-apps/tree/main/embed-admin-portal-sample)

Embed the Scalekit Admin Portal into your app via **iframe**. Node.js example for generating secure admin sessions


---

## More Scalekit documentation

| Resource | What it contains | When to use it |
|----------|-----------------|----------------|
| [/llms.txt](/llms.txt) | Structured index with routing hints per product area | Start here — find which documentation set covers your topic before loading full content |
| [/llms-full.txt](/llms-full.txt) | Complete documentation for all Scalekit products in one file | Use when you need exhaustive context across multiple products or when the topic spans several areas |
| [sitemap-0.xml](https://docs.scalekit.com/sitemap-0.xml) | Full URL list of every documentation page | Use to discover specific page URLs you can fetch for targeted, page-level answers |