Developer Tools & Repos Agent Skills for ChatGPT

Enforces user-facing data portability in an offline-first app — backup/restore (exact, machine round-trippable) kept strictly separate…

Use when working with ANY data persistence, database, storage, CloudKit, migration, or serialization.

UI building guidelines for Datagrok TypeScript components, viewers, and drag-and-drop

Date and time formatting — use OneKey dateUtils (formatDate/formatTime) instead of native JS date methods.

RESTful API design, error handling, versioning, and best practices.

Complete guide for OpenAI's Assistants API v2: stateful conversational AI with built-in tools (Code Interpreter, File Search, Function…

Expert guidance for developing with the tinystruct Java framework.

Use this skill when building MCP (Model Context Protocol) servers with TypeScript on Cloudflare Workers.

Production-tested setup for Zustand state management in React applications with TypeScript.

Understand implementation details of .NET code by decompiling assemblies.

Writes high-quality git commit messages following the seven rules of great commit messages (Chris Beams) and a fixed subject+body template.

Launch a local DayZ Diag server plus the diag client connecting to it (run-only, does no setup).

Scaffold an aggregate root with entity, value objects, repository interface, domain events, and test stubs.

Facilitate a structured conversation to define DDD guardrails for domain design within a repository.

Find unused functions and dead code in the codebase

Generates Dead Letter Queue components for PHP 8.4.

Three.js performance optimization and best practices guidelines.

Expert skill for implementing Debug Adapter Protocol for debugger integration

Comprehensive debugging guide for Capacitor applications.

Reviews Deep Agents code for bugs, anti-patterns, and improvements.

2-stage pipeline: trace (causal investigation) -> deep-interview (requirements crystallization) with 3-point injection