bkend-auth

Category: Testing & Security | Uploader: popup-studio-ai | Downloads: 0 | Version: v1.0（Latest）

bkend.ai authentication and security expert skill. Covers email signup/login, social login (Google, GitHub), magic link, JWT tokens (Access 1h, Refresh 7d), session management, RBAC (admin/user/self/guest), RLS policies, password management, and account lifecycle.

Changelog: Source: GitHub https://github.com/popup-studio-ai/bkit-claude-code

Directory Structure

Current level: skills/bkend-auth/

📄 SKILL.md 4.4 KB

SKILL.md

---
name: bkend-auth
classification: capability
classification-reason: Pattern guidance may overlap with model's built-in knowledge as it improves
deprecation-risk: medium
description: |
  bkend.ai authentication and security expert skill.
  Covers email signup/login, social login (Google, GitHub), magic link,
  JWT tokens (Access 1h, Refresh 7d), session management, RBAC (admin/user/self/guest),
  RLS policies, password management, and account lifecycle.

  Triggers: signup, login, JWT, session, social login, RBAC, RLS, password, token,
  회원가입, 로그인, 토큰, 세션, 권한, 보안정책, 비밀번호,
  ログイン, 認証, セッション, 権限, パスワード,
  登录, 认证, 会话, 权限, 密码,
  registro, inicio de sesion, permisos, contrasena,
  inscription, connexion, permissions, mot de passe,
  Registrierung, Anmeldung, Berechtigungen, Passwort,
  registrazione, accesso, permessi, password

  Do NOT use for: database CRUD (use bkend-data), file storage (use bkend-storage),
  enterprise-level security architecture (use security-architect).
user-invocable: false
agent: bkit:bkend-expert
allowed-tools:
  - Read
  - Write
  - Edit
  - Glob
  - Grep
  - Bash
  - mcp__bkend__*
imports:
  - ${PLUGIN_ROOT}/templates/shared/bkend-patterns.md
---

# bkend.ai Authentication & Security Guide

## Auth Methods

| Method | Description |
|--------|-------------|
| Email + Password | Email/password signup and login |
| Social (Google) | OAuth 2.0 social login |
| Social (GitHub) | OAuth 2.0 social login |
| Magic Link | Email link login (no password) |

## JWT Token Structure

- **Access Token**: 1 hour validity
- **Refresh Token**: 7 days validity
- Auto-refresh: `POST /v1/auth/refresh`

## Password Policy

8+ characters, uppercase + lowercase + numbers + special characters

## MCP Auth Workflow

bkend MCP does NOT have dedicated auth tools. Use this workflow:

1. **Search docs**: `search_docs` with query "email signup" or "social login"
2. **Get examples**: `search_docs` with query "auth code examples"
3. **Generate code**: AI generates REST API code based on search results

### Searchable Auth Docs
| Doc ID | Content |
|--------|---------|
| `3_howto_implement_auth` | Signup, login, token management guide |
| `6_code_examples_auth` | Email, social, magic link code examples |

### Key Pattern
```
User: "Add social login"
  → search_docs(query: "social login implementation")
  → Returns auth guide with REST API patterns
  → AI generates social login code
```

## REST Auth API (Core Endpoints)

For the complete endpoint list, use `search_docs` or check Live Reference.

| Method | Endpoint | Description |
|--------|----------|-------------|
| POST | /v1/auth/email/signup | Sign up |
| POST | /v1/auth/email/signin | Sign in |
| GET | /v1/auth/me | Current user |
| POST | /v1/auth/refresh | Refresh token |
| POST | /v1/auth/signout | Sign out |
| GET/POST | /v1/auth/:provider/callback | Social login callback |
| POST | /v1/auth/password/reset/request | Password reset |
| POST | /v1/auth/password/reset/confirm | Confirm reset |
| POST | /v1/auth/password/change | Change password |
| GET | /v1/auth/sessions | List sessions |
| DELETE | /v1/auth/sessions/:sessionId | Remove session |
| DELETE | /v1/auth/withdraw | Delete account |

**Additional endpoints** (MFA, invitations, user management): use `search_docs` or Live Reference.

## RBAC (Role-Based Access Control)

| Group | Description | Scope |
|-------|-------------|-------|
| admin | Full CRUD | All data |
| user | Authenticated user | Full read, own write |
| self | Owner only | createdBy-based |
| guest | Unauthenticated | Read only (usually) |

## RLS (Row Level Security)

- Per-table row-level access control
- 4-level policies: admin/user/self/guest
- Auto-filtering based on createdBy field

## Session Management

- Per-device session tracking
- `GET /v1/auth/sessions` - List sessions
- `DELETE /v1/auth/sessions/:sessionId` - Remove session

## Official Documentation (Live Reference)

For the latest authentication documentation, use WebFetch:
- Auth Overview: https://raw.githubusercontent.com/popup-studio-ai/bkend-docs/main/en/authentication/01-overview.md
- MCP Auth Guide: https://raw.githubusercontent.com/popup-studio-ai/bkend-docs/main/en/mcp/06-auth-tools.md
- Security: https://raw.githubusercontent.com/popup-studio-ai/bkend-docs/main/en/security/01-overview.md
- Full TOC: https://raw.githubusercontent.com/popup-studio-ai/bkend-docs/main/SUMMARY.md

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