Agent skills for Codex CLI

Transform existing project artifacts into a structured, phased framework with overview and executive guide

Build 2D HTML5 games for the web using Phaser with WebGL/Canvas rendering.

Anchor a multidisciplinary unit in a real-world phenomenon that requires multiple subject lenses to understand.

Create distinctive, production-grade frontend interfaces with high design quality.

Open-source AI observability platform for LLM tracing, evaluation, and monitoring.

Manage GitHub issues, labels, project boards, sprint operations, and roadmap health for the Arize-ai/phoenix repository.

Maintaining packages/phoenix-sqlean, the vendored fork of nalgeon/sqlean.py published as arize-phoenix-sqlean.

Coordinate explicit Photo Library selection, bounded metadata searches, on-device Vision work, album changes, and document scanning.

Implement, review, or improve photo picking, camera capture, and media handling in iOS apps using PhotoKit and AVFoundation.

PHP 8.x modern patterns, PSR standards, and SOLID principles.

Guides CodeIgniter 4 application architecture — Controllers, Models (Query Builder, not an ORM), Entities, the Validation library, Filters…

Use when configuring CodeIgniter 4-specific security mechanisms - CSRF protection mode (cookie vs session), output escaping with esc()…

Optimizes PHP-FPM configuration in Docker containers.

Use when modern PHP features including typed properties, union types, match expressions, named arguments, attributes, enums, and patterns…

When to activate: idiomatic PHP, PHP 8.3, readonly properties, enums, match expression, attributes, named arguments, nullsafe operator…

When to activate: PHP security, SQL injection, PDO prepared statements, mass assignment, CSRF, Blade XSS, password_hash, session fixation…

Complete the PHS Human Subjects and Clinical Trials Information form — study records, the clinical-trial questionnaire, eligibility…

Phylogenetic analysis skill for constructing evolutionary trees and assessing relationships

Injects the gritty, strength-focused internal monologue of Disco Elysium’s 'Physical Instrument' into your Claude Code interactions.

Use when targeting Physical Review Applied (PRApplied) or deciding whether an applied-physics manuscript bridging fundamental physics and…

Use when deciding which prl-* sub-skill to invoke next, or when sequencing manuscript work from scope-fit through revision for a Physical…