Total 44,223 skills, Backend Development has 3830 skills
Showing 12 of 3830 skills
Use when asked to do a full build, complete build, rebuild, or build everything in a Quarkus project. Runs the full Quarkus build with optimized flags via a subagent to keep the main conversation responsive.
Use when you need to find which JAR contains a Java class, resolve import statements, identify classpath conflicts, or discover which dependency provides a class. Accepts fully qualified class names, simple class names, or partial patterns.
Hasura integration. Manage Users, Organizations. Use when the user wants to interact with Hasura data.
Use when planning or reviewing production database migrations, adding columns, indexes, constraints, backfills, renames, table rewrites, or concurrent operations. Covers phased rollouts, lock behavior, rollback strategy, strong_migrations compliance, and deployment ordering for schema changes.
Analyzes Rails applications and generates comprehensive upgrade reports with breaking changes, deprecations, and step-by-step migration guides for Rails 2.3 through 8.1. Use when upgrading Rails applications, planning multi-hop upgrades, or querying version-specific changes. Based on FastRuby.io methodology and "The Complete Guide to Upgrade Rails" ebook.
File upload endpoints in ASP.NET minimal APIs (.NET 8+)
Use when you need to generate a checklist document with Java system prompts, following the embedded template exactly and producing INVENTORY-SKILLS-JAVA.md in the project root. Part of the skills-for-java project
Implement or review SignalR hubs, streaming, reconnection, transport, and real-time delivery patterns in ASP.NET Core applications.
Run browser encrypted JS in Node.js (environment patching). env_core.js provides function disguise/prototype chain/Proxy engine, Claude writes stubs on demand in run.js according to the diagnosis report. TRIGGER when: user says "environment patching", "module extraction", "run in Node", "webpack module extraction", "environment simulation", "run JS in Node", or needs to run independently without browser after finding the encryption entry. DO NOT TRIGGER when: only debugging in browser, doing AST deobfuscation, or writing ordinary Node.js code.
Use when investigating a bug, error, or regression in a Ruby on Rails codebase. Creates a failing RSpec reproduction test, isolates the broken code path, and produces a minimal fix plan. Trigger words: debug, broken, error, regression, stack trace, failing test, RSpec, bug report, Rails app.
Tyk integration. Manage data, records, and automate workflows. Use when the user wants to interact with Tyk data.
Integration guide for connecting backend services and MiniPay apps to payout and revenue-collection contracts on Celo. Use when building signed claim flows, funding operations, treasury sweeps, or claim monitoring.