feat: add Scalekit SSO provider

[saif-at-scalekit]

Scalekit is an enterprise SSO platform supporting SAML, OIDC, and social login (Google, Microsoft, GitHub, etc.) connections. It exposes a single OIDC-compliant interface, so Auth.js auto-discovers all endpoints from the issuer URL — no manual endpoint configuration required.

Changes

• packages/core/src/providers/scalekit.ts — OIDC provider with JSDoc
• docs/pages/getting-started/providers/scalekit.mdx — setup guide
• docs/public/img/providers/scalekit.png — provider logo
• .github/ISSUE_TEMPLATE/2_bug_provider.yml — added Scalekit to dropdown

Usage

import NextAuth from "next-auth"
import Scalekit from "next-auth/providers/scalekit"

export const { handlers, auth, signIn, signOut } = NextAuth({
  providers: [Scalekit],
})

With SSO routing:

Scalekit({
  connectionId: "conn_...",   // exact connection
  organizationId: "org_...", // org's active SSO connection
  domain: "acme.com",        // resolve org from email domain
})

Environment Variables

AUTH_SCALEKIT_ID
AUTH_SCALEKIT_SECRET
AUTH_SCALEKIT_ISSUER   # e.g. https://yourenv.scalekit.dev

Resources

• scalekit-developers/scalekit-authjs-example — full Next.js + Auth.js example app verified against a live Scalekit environment, OIDC flow completing successfully end-to-end

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Project	Deployment	Actions	Updated (UTC)
auth-docs	Ready	Preview, Comment	Mar 9, 2026 8:00pm

1 Skipped Deployment

Project	Deployment	Actions	Updated (UTC)
next-auth-docs	Ignored	Preview	Mar 9, 2026 8:00pm

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