Total 44,276 skills, Backend Development has 3834 skills
Showing 12 of 3834 skills
Thin HTTP layer controllers. Controllers contain zero domain logic, only HTTP concerns. Use when working with controllers, HTTP layer, web vs API patterns, or when user mentions controllers, routes, HTTP responses.
Complete Metaplex Protocol guide for Solana NFTs and digital assets. Covers Core (next-gen NFTs), Token Metadata, Bubblegum (compressed NFTs), Candy Machine, Genesis (token launches), MPL-Hybrid, Inscriptions, DAS API, and the Umi framework. The single source of truth for all Metaplex integrations.
Backend architecture patterns, API design, database optimization, and server-side best practices for Node.js, Express, and Next.js API routes.
Authorization policies for resource access control. Use when working with authorization, permissions, access control, or when user mentions policies, authorization, permissions, can, ability checks.
Custom query builders for type-safe, composable database queries. Use when working with database queries, query scoping, or when user mentions query builders, custom query builder, query objects, query scopes, database queries.
Configuration module patterns for LlamaFarm. Covers Pydantic v2 models, JSONSchema generation, YAML processing, and validation.
Working with sqlc and database queries
Help design database schemas, create tables, and plan data models. Activates when users ask to create tables, design schemas, or model data relationships.
Debug Python errors, exceptions, and unexpected behavior. Analyzes tracebacks, reproduces issues, identifies root causes, and provides fixes.
Complete guide for Light Protocol on Solana - includes ZK Compression for rent-free compressed tokens and PDAs using zero-knowledge proofs, and the Light Token Program for high-performance token standard (200x cheaper than SPL). Covers TypeScript SDK, JSON RPC methods, and complete integration patterns.
Provides REST API design standards and best practices for Spring Boot projects. Use when creating or reviewing REST endpoints, DTOs, error handling, pagination, security headers, HATEOAS and architecture patterns.
Provides comprehensive Drizzle ORM patterns for schema definition, CRUD operations, relations, queries, transactions, and migrations. Proactively use for any Drizzle ORM development including defining database schemas, writing type-safe queries, implementing relations, managing transactions, and setting up migrations with Drizzle Kit. Supports PostgreSQL, MySQL, SQLite, MSSQL, and CockroachDB.