Built for Developers. Designed for AI.
HelloJohn ships with everything production auth needs — and nothing you don't.
Auth Core
Login, registration, OAuth2/OIDC, Social Login with 9 providers, MFA (TOTP, WebAuthn), and email verification out of the box.
JWT & Claims
EdDSA-signed tokens, dynamic claims with CEL expressions, full RBAC support. Your tokens, your rules.
Multi-tenant Native
DAL with FS, PG, MySQL, and GDP backends. Data isolation per tenant, Row-Level Security, isolated databases.
Webhooks & Audit
36 audit events, outbox pattern for reliability, HMAC signatures, automatic retries with exponential backoff.
MCP Server
46 tools for AI agents via stdio and SSE. The first auth system designed to be AI-controllable from day one.
CLI — hjctl
25+ commands to manage tenants, admins, users, sessions, and migrations. Tunnel support for private instances.
Self-hosted & HA
Docker-ready, High Availability with Raft consensus, Prometheus metrics, Redis for sessions and rate limiting.
Ready to ship auth?
Self-host for free, or start on Cloud in seconds.