Total 31,161 skills, Backend Development has 3057 skills
Showing 12 of 3057 skills
Write modern C# code with advanced features like records, pattern matching, and async/await. Optimizes .NET applications, implements enterprise patterns, and ensures comprehensive testing.
How to build, sign, submit, and simulate transactions in @aptos-labs/ts-sdk. Covers build.simple(), signAndSubmitTransaction(), waitForTransaction(), simulate, sponsored (fee payer), and multi-agent. Triggers on: 'build.simple', 'signAndSubmitTransaction', 'transaction.build', 'waitForTransaction', 'signAsFeePayer', 'SDK transaction', 'sponsored transaction', 'multi-agent transaction'.
Scaffold transactional and campaign email infrastructure end-to-end — provider setup, templates, user segmentation, and admin send UI. Use when the user wants to add email to their app — welcome emails, notifications, re-engagement, or bulk campaigns. Triggers on requests like "add email", "set up Resend", "email campaigns", "transactional email", "send emails to users", "welcome email", "notification emails", or any mention of email sending in an app context.
Guide for exposing PostHog product endpoints as MCP tools. Use when creating new or updating API endpoints, adding MCP tool definitions, scaffolding YAML configs, or writing serializers with good descriptions. Covers the full pipeline from Django serializer to generated TypeScript tool handler.
How to create and configure the Aptos client (Aptos, AptosConfig) in @aptos-labs/ts-sdk. Covers Network, fullnode/indexer/faucet URLs, singleton pattern, and Bun compatibility. Triggers on: 'Aptos client', 'AptosConfig', 'SDK client', 'client setup', 'new Aptos(', 'Network.TESTNET', 'Network.MAINNET'.
Upgrades Python pip/poetry/pipenv dependencies with breaking change handling
Upgrades .NET NuGet packages with breaking change handling
Fixes N+1 queries, redundant fetches, over-fetching with keep/discard verification
Go programming expert for goroutines, channels, interfaces, modules, and concurrency patterns
Implement reliable PostgreSQL-based job queues with PG Boss. Use when implementing background jobs, scheduled tasks, cron-like functionality, task rollover, or email notifications in Node.js/TypeScript projects.
Set up two-way email communication with send and receive capabilities using Resend API. Includes custom domain management, AI-powered personalization, email threading, and a rich inbox UI
Create production-quality Django REST Framework APIs using Clean Architecture and SOLID principles. Covers layered architecture (views, use cases, services, models), query optimization (N+1 prevention), pagination/filtering, JWT authentication, permissions, and production deployment. Use when building new Django APIs, implementing domain-driven design, optimizing queries, or configuring authentication. Applies Python 3.12+ and Django 5+ patterns.