Minimalistic, project-agnostic skills and rules for AI coding agents

Swift source, Apple guides and MCP tools for AI coding agents. Review iOS code, scaffold apps, and build/run/preview with Xcode Simulator.

Add expert Swift Concurrency guidance to your AI coding tool (Agent Skills open format): safe concurrency, performance optimization, and Swift 6 migration.

Reusable agent skills for Codex and compatible tools

Cross-LLM sub-agent orchestration as an Agent Skills. Route tasks to Codex, Claude Code, Grok, GLM, Kimi, Cursor, Gemini, OpenCode, or Command Code from any compatible tool.

Open-source AI skills for SEO, AI search visibility, conversion copy, marketing strategy, and business operations. Reusable workflows for Claude Code and Codex, plus code review, app delivery, and creator tools.

A visual tool to edit HTML and Markdown files, leave comments like a Google Doc, and send feedback to your AI agent. Works inside your favorite AI harness.

Optimized GitHub skill for coding agents: fewer tool calls, less context burned, lower cost, faster answers. One bounded call each for PR state, review threads, and CI failures.

Code-quality skills by Max Kanat-Alexander.

Curated collection of agent skills for AI coding assistants.

Agent Skill: PHP 8.x modernization patterns - typing, attributes, PHPStan | Claude Code compatible

Forcing-function skills for AI agents — validated to improve behavior, not just change it.

Reusable agent skills for end-to-end software delivery, from requirements and implementation to review, testing, and release.

Skills for your skills. Create, test, audit, package, and visualize Agent Skill libraries—locally.

A composable dev process for agentic coding harnesses, packaged as modular skills. Turbo has sibling editions for Claude Code and Codex.

Autonomous multi-batch development skill for Claude Code and Codex. They work while you sleep.

A Claude Code skill that 10x's your effective context window by dispatching tasks to background AI workers.

An atelier for your Agent: spec-driven workflows, deep thinking, and code quality.

Production-ready Git workflow skills, agents, hooks, reviews, releases, and notifications for Claude Code and Codex.

Codex-first Ultracode skill for dynamic coding workflows

Deletion-first Agent Skill for removing test bloat, verification theater, and speculative fallbacks while preserving behavior.

An agent skill focused entirely on Swift Testing, helping you write better tests, migrate from XCTest, improve test architecture, and adopt modern Swift testing patterns with confidence.

Goal-based planning and proof gate for AI coding agents

Cross-runtime skills for Claude Code, Codex, and multi-agent workflows.