Developer Tools & Repos Agent Skills for ChatGPT

Review an owned WorldOS Simulation save and its turn history through the WorldOS MCP without modifying it.

Design, inspect, remix, validate, create, or update WorldOS grand-strategy war Simulations through the WorldOS MCP.

Design, validate, create, inspect, or update a public reusable WorldOS UGC widget through the WorldOS MCP.

Analyze and fix WPF applications for high DPI support, per-monitor DPI awareness, and scaling issues

Generate WPF MVVM architecture with ViewModelBase, RelayCommand, INotifyPropertyChanged, and dependency injection setup

Migrates WPF applications from .NET Framework to .NET 6+.

Add reactivityKeys to effect-atom write mutation calls.

Route HTTP through Effect boundaries instead of raw fetch.

Normalize unknown or loosely typed data at boundaries with Effect Schema, named guards, or typed adapters.

Preserve workspace package boundaries. Use when lint flags relative imports that cross package roots.

Remove TypeScript escape hatches. Use when lint flags @ts-nocheck or similar broad type bypasses.

Generates and updates the latest app changelog based on git history since the last version tag.

Analyze staged changes and generate a Conventional Commits message.

Author a declarative invariant rule module for `jidoka invariants`.

Reach for the smallest solution that actually works before writing code: question whether the task needs to exist (YAGNI), prefer the…

Use when creating or modifying an OpenGL shader or its integration.

Use whenever a task writes or modifies PHP code, including PHP files, embedded PHP, tests, scripts, endpoints, and PHP code snippets.

How to write modern Swift well — modeling with value types, Swift 6 data-race safety and approachable concurrency (@concurrent…

Use when reading, editing, or generating a Bethesda Game Studio load-order file (plugins.txt / loadorder.txt) for Fallout 4, Skyrim…

Guides implementation of Gatekeeper Workers that bridge Gadgets to external services.

Guide for writing or reviewing PostHog kea logic files (`*Logic.ts` / `*Logic.tsx`).