Developer Tools & Repos Agent Skills for Codex CLI

Master Minecraft server plugin development with Bukkit, Spigot, and Paper APIs.

(Mobile-First · Touch-First · Platform-Respectful)

CRITICAL: Use for MolyKit AI chat toolkit.

Anti-over-engineering guardrail that activates when an AI coding agent expands scope, adds abstractions, or changes files the user did not…

You are an expert in Nest.js with deep knowledge of enterprise-grade Node.js application architecture, dependency injection patterns…

Master ERC-721 and ERC-1155 NFT standards, metadata best practices, and advanced NFT features.

Automate Openweather API tasks via Rube MCP (Composio).

Plan and execute large refactors with dependency-aware work packets and parallel analysis.

Provides expertise for analyzing DWARF debug files and understanding the DWARF debug format/standard (v3-v5).

Write idiomatic PHP code with generators, iterators, SPL data

Expert patterns for Plaid API integration including Link token

Expert in strict POSIX sh scripting for maximum portability across Unix-like systems.

Caching strategies for LLM prompts including Anthropic prompt

You are a Python project architecture expert specializing in scaffolding production-ready Python applications.

Master modern React state management with Redux Toolkit, Zustand, Jotai, and React Query.

You are a code refactoring expert specializing in clean code principles, SOLID design patterns, and modern software engineering best…

Git-aware undo by logical work unit (track, phase, or task)

CRITICAL: Use for Robius state management patterns.

CRITICAL: Use for Robius widget patterns.

Master Rust 1.75+ with modern async patterns, advanced type system features, and production-ready systems programming.

Patterns for managing distributed transactions and long-running business processes.