Agent skills for Codex CLI

This skill should be used when the user asks to "write a post", "check my voice", "look up contact", "prepare for meeting", "weekly…

You are an expert in email marketing and automation.

Full website SEO audit with parallel subagent delegation.

Hreflang and international SEO audit, validation, and generation.

Generates high-converting Next.js/React landing pages with Tailwind CSS.

Create a detailed, phased implementation plan with documentation discovery.

Comprehensive market sizing methodologies for calculating Total Addressable Market (TAM), Serviceable Available Market (SAM), and…

Programmatic SEO planning and analysis for pages generated at scale from data sources.

AI image generation for SEO assets: OG/social preview images, blog hero images, schema images, product photography, infographics.

Comprehensive SEO analysis for any website or business type.

Generate walkthrough videos from Stitch projects using Remotion with smooth transitions, zooming, and text overlays

This skill should be used when the user asks to "design agent tools", "create tool descriptions", "reduce tool complexity", "implement MCP…

Use when you have a spec or requirements for a multi-step task, before touching code

Sets up and runs libFuzzer, the coverage-guided fuzzer built into LLVM, on C/C++ code that compiles with Clang.

Rules for using libraries and frameworks.

Create new skills, modify and improve existing skills, and measure skill performance.

Lich noi dung thang — len lich dang bai da kenh voi ti le pheu, content pillar, repurposing matrix, va scoring tieu chi.

Convert a business problem and user need into a testable product requirements document.

Integrate PayPal payment processing with support for express checkout, subscriptions, and refund management.

Implement Stripe payment processing for robust, PCI-compliant payment flows including checkout, subscriptions, and webhooks.

Build reusable Terraform modules for AWS, Azure, and GCP infrastructure following infrastructure-as-code best practices.