---
title: "Logto Open Source Authentication and Authorization Infrastructure"
description: "Logto is a modern, open-source authentication and authorization infrastructure built on OIDC and OAuth 2.1. It provides multi-tenancy, enterprise SSO, RBAC, and SDKs for 30+ frameworks, making it the go-to Auth0/Cognito alternative for SaaS and AI applications."
verification: "security_reviewed"
source: "https://github.com/logto-io/logto"
category:
  - "Integrations & Connectors"
framework:
  - "Multi-Framework"
tool_ecosystem:
  github_repo: "logto-io/logto"
  github_stars: 11862
---

# Logto Open Source Authentication and Authorization Infrastructure

Logto is a modern, open-source authentication and authorization infrastructure built on OIDC and OAuth 2.1. It provides multi-tenancy, enterprise SSO, RBAC, and SDKs for 30+ frameworks, making it the go-to Auth0/Cognito alternative for SaaS and AI applications.

## Installation

Choose whichever fits your setup:

1. Copy this skill folder into your local skills directory.
2. Clone the repo and symlink or copy the skill into your agent workspace.
3. Add the repo as a git submodule if you manage shared skills centrally.
4. Install it through your internal provisioning or packaging workflow.
5. Download the folder directly from GitHub and place it in your skills collection.

## Source

- [Agent Skill Exchange](https://agentskillexchange.com/skills/logto-open-source-auth-infrastructure/)