logto

<p align="center">
  <a href="https://logto.io/?utm_source=github&utm_medium=readme" target="_blank" align="center" alt="Go to Logto website">
    <picture>
      <source width="200" media="(prefers-color-scheme: dark)" srcset="https://github.com/logto-io/.github/raw/master/profile/logto-logo-dark.svg">
      <source width="200" media="(prefers-color-scheme: light)" srcset="https://github.com/logto-io/.github/raw/master/profile/logto-logo-light.svg">
      <img width="200" src="https://github.com/logto-io/logto/raw/master/logo.png" alt="Logto logo">
    </picture>
  </a>
</p>

[![discord](https://img.shields.io/discord/965845662535147551?color=5865f2&label=discord)](https://discord.gg/vRvwuwgpVX)
[![checks](https://img.shields.io/github/checks-status/logto-io/logto/master)](https://github.com/logto-io/logto/actions?query=branch%3Amaster)
[![release](https://img.shields.io/github/v/release/logto-io/logto?color=3a3c3f)](https://github.com/logto-io/logto/releases)
[![core coverage](https://img.shields.io/codecov/c/github/logto-io/logto?label=core%20coverage)](https://app.codecov.io/gh/logto-io/logto)
[![cloud](https://img.shields.io/badge/cloud-available-7958ff)](https://cloud.logto.io/?sign_up=true&utm_source=github&utm_medium=repo_logto)
[![gitpod](https://img.shields.io/badge/gitpod-available-f09439)](https://gitpod.io/#https://github.com/logto-io/demo)
[![render](https://img.shields.io/badge/render-deploy-5364e9)](https://render.com/deploy?repo=https://github.com/logto-io/logto)

# Logto

**Logto is the modern, open-source auth infrastructure for SaaS and AI apps.**

It takes the pain out of OIDC and OAuth 2.1 and makes it easy to build secure, production-ready auth with multi-tenancy, enterprise SSO, and RBAC.

<p align="center">
  <a href="https://logto.io/">website</a> •
  <a href="https://cloud.logto.io/">cloud</a> •
  <a href="https://docs.logto.io">docs</a> •
  <a href="https://openapi.logto.io/">api</a> •
  <a href="https://blog.logto.io/">blog</a> •
  <a href="https://auth-wiki.logto.io/">auth wiki</a> •
  <a href="https://logto.io/subscribe">newsletter</a>
</p>

![Logto features](./assets/logto-features.png)

## Why Logto?

Built for teams scaling SaaS, AI, and agent-based platforms without the usual auth headaches.

With Logto, you get:

- **Multi-tenancy, enterprise SSO, and RBAC**: ready to use, no workarounds.
- **Pre-built sign-in flows**, customizable UIs, and SDKs for 30+ frameworks.
- **Full support for OIDC, OAuth 2.1, and SAML** without the protocol pain.
- **Works out-of-the-box for Model Context Protocol and agent-based AI architectures**.

[🗺️ See all features →](https://docs.logto.io/?ref=readme)

## Get started

Pick your path:

- [**Logto Cloud**](https://cloud.logto.io/?sign_up=true&ref=readme): The fastest way to try Logto. Fully managed, zero setup.
- [**Launch Logto in GitPod**](https://gitpod.io/#https://github.com/logto-io/demo): Start Logto OSS in seconds.

  Wait for the message `App is running at https://3002-..