Total 55,561 skills, Backend Development has 4395 skills
Showing 12 of 4395 skills
Expert Convex backend development for December 2025. Use when (1) Building Convex queries, mutations, or actions, (2) Defining schemas and validators, (3) Integrating Convex with React/Next.js, (4) Implementing authentication with Convex Auth or Clerk, (5) Building AI agents with persistent memory, (6) Using file storage, scheduling, or workflows, (7) Optimizing database queries with indexes, or any Convex backend architecture questions.
Guidelines for building clean, scalable APIs with Go standard library and NestJS TypeScript, covering security, validation, and modular architecture.
Graceful degradation through cascading fallback strategies - ensures system always completes while maintaining acceptable functionality
This skill should be used whenever domain modeling is taking place. It provides specialized guidance for type-driven and data-driven design based on Rich Hickey and Scott Wlaschin's principles. The skill helps contextualize current modeling within the existing domain model, identifies inconsistencies, builds ubiquitous language, and creates visualizations (Mermaid, Graphviz/DOT, ASCII diagrams) to communicate domain concepts clearly. Use this skill when designing types, modeling business domains, refactoring domain logic, or ensuring domain consistency across a codebase.
This skill should be used when the user asks to "create BAP identity", "new BAP", "Type42 identity", "Legacy BAP identity", "generate BAP", "set up BAP identity", "initialize BAP", or needs to create Bitcoin Attestation Protocol identities using the bap CLI.
Prisma ORM patterns including Prisma Client usage, queries, mutations, relations, transactions, and schema management. Use when working with Prisma database operations or schema definitions.
Comprehensive guide for PostgreSQL psql - the interactive terminal client for PostgreSQL. Use when connecting to PostgreSQL databases, executing queries, managing databases/tables, configuring connection options, formatting output, writing scripts, managing transactions, and using advanced psql features for database administration and development.
T-SQL query optimization techniques for SQL Server and Azure SQL Database. Use this skill when: (1) User needs to optimize slow queries, (2) User asks about SARGability or index seeks, (3) User needs help with query hints, (4) User has parameter sniffing issues, (5) User needs to understand execution plans, (6) User asks about statistics and cardinality estimation.
Implements design patterns including Clean Architecture, SOLID principles, and comprehensive software design best practices. Use when designing systems, reviewing architecture, establishing patterns, or making structural decisions.
Complete CoinGecko Solana API integration for token prices, DEX pool data, OHLCV charts, trades, and market analytics. Use for building trading bots, portfolio trackers, price feeds, and on-chain data applications.
Expert-level hotel management, reservation systems, guest services, revenue management, and hospitality technology
Implementation workflows and decision trees for ERPNext Client Scripts. Use when determining HOW to implement client-side features: form validations, dynamic UI, server integration, child table logic. Triggers: how do I implement, when to use, which approach, client script workflow, build form logic, make UI dynamic, calculate fields.