---
type: index
title: mikaki — Open source passkey authentication and OpenID Connect
description: An open source identity service built in Rust. Find invitation-based setup, passkeys and Vault, application integration, specifications and verification evidence.
profile: sorane-okf/0.1
lang: en
translation_key: index
updated: 2026-10-04
---

mikaki is an open source identity service built in Rust, providing passkey authentication and OpenID Connect. Find setup instructions, application integration guides and evidence for evaluating adoption.

## Get started

Register with an invitation and sign in on your usual device. Passkey sign-in and unlocking Vault are separate operations to check.

- [Start with an invitation](getting-started.md)
- [Passkeys and device support](passkeys.md)
- [Vault: saving, sharing and recovery](vault.md)
- [Frequently asked questions](faq.md)

## Connect your application

Add mikaki authentication to your Web application. Follow the path from registration requests to sign-in and session checks.

- [Application integration guide](integration.md)
- [Public IdP connection demo](integration-demo.md)
- [Local integration example](integration-example.md)
- [API reference](api.md)

## Review specifications and evidence

See what is supported, what has been tested and where limitations remain. Use these resources to evaluate adoption.

- [Specifications and standards](specifications.md)
- [Security and limitations](security.md)
- [Conformance test results](conformance.md)
- [Operations and service conditions](operations.md)

## Discuss invitations or integration

Need an invitation or want to register your application? Learn which information to provide and how a request progresses to a trial.

[Find the invitation and integration contact](contact.md). Access is currently experimental and invitation-based. Review the [service conditions](operations.md) before use or adoption.