Developer Tools & Repos Agent Skills for ChatGPT

Real-time rope/cable physics using Position-Based Dynamics (PBD), Verlet integration, and constraint solvers.

Use when working with physics bodies, collision shapes, raycasting, areas, rigid bodies, ragdolls, soft bodies, Jolt physics, and physics…

Maps Pi packages, extensions, and skills to this repository's Nix ownership.

Pijul patch-based VCS with categorical patch theory for skill versioning

Discover what exists in a Pikku project — functions, tags, middleware, permissions, HTTP routes, channels, schedulers, queues, and more.

Zero-install localhost tunnels over SSH via Pinggy.

Pinia state management for Vue 3 including store creation, actions, getters, plugins, and DevTools integration.

Pipedrive integration via Apideck's CRM unified API — same methods work across every connector in CRM, switch by changing `serviceId`.

Generates consistent pixel art animation sprite sheets and Aseprite-compatible metadata for seamless game engine integration.

Bootstrap browser-based games with PixiJS 8 and a modern retro/vector aesthetic (Geometry Wars, Asteroids, Tempest, Tron).

Use when deciding which layer a piece of code belongs in (domain, application, or infrastructure), when business rules are mixed with…

Plan complex Blazor UI features by decomposing them into focused components.

Plan a unit of work as a SpecWeave increment - spec.md with Problem, Scope, numbered ACs and an Approach, plus tasks.md.

Open interactive code review for current changes using Plannotator UI

Use this skill when working with Playgama Bridge SDK for Godot games.

Use this skill when working with Playgama Bridge SDK for Unity games.

Playtest / alpha-reader skill for the Book of Challenges manuscript.

Comprehensive best practices for React Native and Expo applications.

This skill should be used when the user asks to "check continuity", "verify plot consistency", "find contradictions", "audit my campaign"…

Get shared mutable state right inside one process — choosing between immutability, an atomic, a mutex and a channel; memory ordering and…

Make the network between server and client fast — cutting round trips rather than bytes, connection reuse and TLS handshake cost, choosing…