All Skills

Cross-validation only estimates generalization if the split mimics the gap between

"Feature importance" is ambiguous.

"Anomaly" covers three distinct problems, and a detector built for one is close to

A container image is an attack surface you chose.

Every visual change enters the pipeline at one of four stages, and the stage

The single highest-leverage decision is recognizing that most of what teams call

The relevant axis is not "how do we deploy" but "how fast and how cheaply can we

Detect and triage infrastructure drift by comparing declared Terraform state against live cloud resources using scheduled pipelines and audit logs.

User Request

Every synchronous call does two things beyond transferring data: it adds the

Use this skill before architecture, dependency, integration, parser, bot, UI, deployment, or non-trivial bugfix tasks. It forces Codex to search GitHub, compare open-source solutions, check licenses, and extract reusable patterns without copying unsafe code.

Use this skill when the user asks Codex to build an app, website, bot, SaaS, dashboard, automation, MVP, integration, or production feature.

Agent profile for inspect screenshots, viewports, layout overlaps, visual regressions, spacing, typography, and interaction states. Use when Codex needs a specialist agent perspective for planning, implementation, review, debugging, validation, or handoff in this domain.

Use this skill for GitHub Actions, checks, release gates, deployment automation, reproducible pipelines. Trigger when the task involves devops work related to CI CD Automation, production implementation, audits, debugging, strategy, or validation.

Use this skill for Astro static output, islands hydration, content collections, CWV, schema and metadata. Trigger when the task involves seo work related to Astro Islands SEO, implementation, audits, debugging, strategy, or validation.

Use this skill for CI log analysis, local reproduction, root cause isolation, targeted fixes, rerun strategy. Trigger when the task involves programming work related to CI Failure Triage, implementation, audits, debugging, strategy, or validation.

Use this skill for forms, checkout flows, validation, error recovery, payment UX, friction reduction. Trigger when the task involves web design work related to Forms Checkout UX, production implementation, audits, debugging, strategy, or validation.

Agent profile for review API platform contracts, versioning, auth, rate limits, SDK clients, and developer experience. Use when Codex needs a specialist agent perspective for planning, implementation, review, debugging, validation, or handoff in this domain.

Use this skill for tables, grids, filters, sorting, density, keyboard navigation, responsive behavior. Trigger when the task involves web design work related to Data Table Grid UX, implementation, audits, debugging, strategy, or validation.

Agent profile for final UI/UX QA before shipping visible design, web design, app screens, or 3D web UI.

Use this skill for auth boundaries, input validation, secrets, RLS, injection risks, destructive-action review. Trigger when the task involves security work related to Security Hardening, production implementation, audits, debugging, strategy, or validation.

Use this skill for SEO strategy, technical SEO prioritization, organic growth roadmaps, search risk review. Trigger when the task involves agent profile work related to SEO Director Agent, implementation, audits, debugging, strategy, or validation.

Use this skill for AI search optimization, generative engine visibility, entity clarity, citation readiness. Trigger when the task involves seo work related to Ai Search Geo Audit, production implementation, audits, debugging, strategy, or validation.

Use this skill for removing accidental complexity, reducing duplication, clarifying boundaries, preserving behavior. Trigger when the task involves programming work related to Code Simplification, production implementation, audits, debugging, strategy, or validation.

Use this skill for context gathering, file triage, source maps, assumptions, task framing, prompt hygiene. Trigger when the task involves programming work related to Context Engineering, production implementation, audits, debugging, strategy, or validation.

Agent profile for design data pipelines, transformations, imports, exports, warehouse models, validation, and freshness checks. Use when Codex needs a specialist agent perspective for planning, implementation, review, debugging, validation, or handoff in this domain.

Use this skill for information architecture, internal links, hub pages, anchor text, crawl depth. Trigger when the task involves seo work related to Internal Linking Ia, production implementation, audits, debugging, strategy, or validation.

Use this skill when reviewing Model Context Protocol (MCP) servers, clients, connectors, tool manifests, hosted MCP deployments, OAuth flows, prompt/tool boundaries, or MCP marketplace choices for security, least privilege, data exposure, prompt injection, and destructive-action risk.

Agent profile for design motion systems, transitions, easing, reduced-motion behavior, and performance-safe animation. Use when Codex needs a specialist agent perspective for planning, implementation, review, debugging, validation, or handoff in this domain.

Use this skill for SEO checks in CI, metadata, canonicals, links, robots, sitemap, noindex regressions. Trigger when the task involves seo work related to SEO CI Quality Gate, implementation, audits, debugging, strategy, or validation.

Use this skill for crawlability, indexability, metadata, canonical tags, robots, sitemaps, internal signals. Trigger when the task involves seo work related to Technical SEO Audit, production implementation, audits, debugging, strategy, or validation.

Agent profile for analyze target users, workflows, usability risks, research questions, and evidence gaps. Use when Codex needs a specialist agent perspective for planning, implementation, review, debugging, validation, or handoff in this domain.

Use this skill for feature flags, gradual rollout, kill switches, metrics, experiment gates, rollback. Trigger when the task involves programming work related to Feature Flag Rollout, implementation, audits, debugging, strategy, or validation.

Use this skill for Firebase Auth, Firestore, Functions, Storage, Hosting, app backend architecture. Trigger when the task involves apps work related to Firebase App Backend, production implementation, audits, debugging, strategy, or validation.

Use this skill when designing, reviewing, migrating, or debugging MCP Apps / SEP-1865 interactive UI resources for MCP servers, including dashboards, forms, visualizations, tool-driven workflows, OpenAI Apps SDK migration, MCP-UI compatibility, sandboxing, host support, security review, provenance, and fallback UX.

Agent profile for design AI/ML features, retrieval, model calls, structured outputs, cost controls, evals, and fallbacks. Use when Codex needs a specialist agent perspective for planning, implementation, review, debugging, validation, or handoff in this domain.