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From bkit — AI Native Development OS
Guides building bkend.ai projects from Todo to SaaS and troubleshoots common errors. Covers auth, CRUD, file upload, AI integration, and error codes.
How this skill is triggered — by the user, by Claude, or both
Slash command
/bkit:bkend-cookbookbkit:bkend-expertThis skill is limited to the following tools:
The summary Claude sees in its skill listing — used to decide when to auto-load this skill
| Project | Level | Key Features |
| Project | Level | Key Features |
|---|---|---|
| Todo App | Beginner | Basic CRUD, state management |
| Note App | Beginner | Rich text, categories |
| Blog | Intermediate | Posts, tags, file upload |
| Chat App | Intermediate | Real-time messaging |
| E-commerce | Intermediate | Products, orders, payments |
| Booking System | Intermediate | Reservations, calendar |
| Social Feed | Advanced | Posts, follows, feeds |
| Dashboard | Advanced | Charts, analytics, roles |
| Multi-tenant | Advanced | Organization-scoped data |
| SaaS Starter | Advanced | Subscriptions, billing, onboarding |
| Project | Auth | Core CRUD | Files | Advanced | AI |
|---|---|---|---|---|---|
| Blog | Email/Social | Articles, Tags | Images | Bookmarks | AI summary |
| Recipe App | Email/Social | Recipes, Ingredients | Photos | Meal Plan, Shopping List | AI recommendations |
| Shopping Mall | Email/Social | Stores, Products, Orders | Product images | Reviews | AI search |
| Social Network | Email/Social | Profiles, Posts | Media | Follows, Feeds | AI recommendations |
1. Auth setup (email + social login)
2. Core CRUD (main data tables)
3. File upload (images/media)
4. Advanced features (search, filters, relationships)
5. AI integration (recommendations, summaries)
6. Troubleshooting & optimization
| Error | Cause | Solution |
|---|---|---|
| 401 Unauthorized | Token expired | POST /v1/auth/refresh |
| 403 Forbidden | Insufficient permissions | Check RBAC settings |
| 404 Not Found | Wrong path/ID | Verify endpoint and environment |
| 409 Conflict | Unique field duplicate | Check duplicate data |
| 429 Rate Limit | Request limit exceeded (100/h) | Check Retry-After header |
| CORS Error | Domain not registered | Register in bkend console |
| MCP Connection Failed | OAuth incomplete | Complete browser auth |
| Schema Validation | BSON type mismatch | Check schema with backend_table_get |
| Question | Answer |
|---|---|
| Table not visible | Check environment (dev/staging/prod) |
| MCP tools not showing | Run claude mcp list to verify connection |
| Social login not working | Check Provider settings in console |
| File upload fails | Verify size limits (image 10MB, video 100MB) |
| Slow queries | Add indexes via backend_index_manage |
| Data not syncing | Check x-environment header matches |
For the latest cookbook and troubleshooting, use WebFetch:
npx claudepluginhub 2nnovate/bkit-claude-code6plugins reuse this skill
First indexed Jun 3, 2026
Guides building bkend.ai projects from Todo to SaaS and troubleshoots common errors. Covers auth, CRUD, file upload, AI integration, and error codes.
Teaches backend concepts: servers (Express.js), routes/endpoints with HTTP methods, REST APIs, request/response cycles, middleware, .env security, and CORS. Activates for server-side code, API routes, or Express/Fastify/Next.js handlers.
Guides full-stack backend architecture and frontend-backend integration with patterns for API design, auth, error handling, real-time features, and production hardening.