Total 50,540 skills, Backend Development has 4137 skills
Showing 12 of 4137 skills
Use when building blockchain applications or smart contracts across EVM (Solidity), Solana (Anchor/Rust), Cosmos (CosmWasm), and TON, including security/audit workflows, fuzz/invariant testing, upgrades, custody/signing, and backend integration (RPC, indexers, webhooks).
Comprehensive Bun runtime expertise covering all major features. Use when working with Bun projects, migrating from Node.js, or leveraging Bun-specific APIs. Activates for: Bun.serve, Bun.file, bun:test, bun:sqlite, bun install, bun build, bunfig.toml, TypeScript in Bun, package manager operations, bundler configuration, and Node.js compatibility questions.
This skill should be used when writing Ruby gems following Andrew Kane's proven patterns and philosophy. It applies when creating new Ruby gems, refactoring existing gems, designing gem APIs, or when clean, minimal, production-ready Ruby library code is needed. Triggers on requests like "create a gem", "write a Ruby library", "design a gem API", or mentions of Andrew Kane's style.
MongoDB document modeling, aggregation pipeline optimization, sharding strategies, replica set configuration, connection pool management, and indexing patterns. Use this skill for MongoDB-specific issues, NoSQL performance optimization, and schema design.
Go HTTP API development with net/http, Chi, Gin, Echo, and Fiber frameworks
Redis data structures and commands including strings, lists, hashes, sets, sorted sets, streams, and transactions for high-performance caching and real-time applications.
Best practices for Laravel API Resources including resource transformation, collection handling, conditional attributes, and relationship loading.
Teaches how to interact with the Ray application. This skill should be used when users want to interact with Ray through a coding agent or LLM with skills capabilities.
Comprehensive Spring Boot development skill covering auto-configuration, dependency injection, REST APIs, Spring Data, security, and enterprise Java applications
Critical rules and common mistakes to avoid in Convex development. Use when reviewing Convex code, debugging issues, or learning what NOT to do. Activates for code review, debugging OCC errors, fixing type errors, or understanding why code fails in Convex.
Master Django 5.x with async views, DRF, Celery, and Django Channels. Build scalable web applications with proper architecture, testing, and deployment. Use PROACTIVELY for Django development, ORM optimization, or complex Django patterns.
Use this skill BEFORE writing or editing any Go (.go) files. Triggers when about to create, modify, or add code to .go files. Enforces happy path coding, error wrapping, sentinel errors, and godoc-style comments.