Agent skills for Codex CLI

Sketch types, signatures, and module structure before code, then stay in the loop while implementation fills in.

Spawn N parallel candidates at the same task, pick a base, graft the strongest parts of the losers into it.

Generate a project-local verification skill that drives your app the way a user does — any language, framework, or platform.

Design an auditable playbook when no narrower one fits: a large migration, an ambitious multi-part change, or work a human reviews after…

Use for \"how does X work\", code walkthroughs before changing something, and placement / ownership / layering questions (\"where should…

Index of the engineering principles. Load it whenever work is non-trivial: designing types or a signature, refactoring, debugging…

Reconstruct your recent working context from your own chat history, live state, and the shared record (user reports, prior fixes…

Keep a reviewable decision trail for long-running or unattended work: a TSV log with one row per decision (what, why, evidence, result).

Fan out N parallel workers, drain them, and return one report.

Select only required columns to reduce memory and transfer costs; apply to base queries and relations

Manage a personal reading journal for books, audiobooks, and research papers in a Git-backed static website.

Nock — pressure-test a startup pitch deck against the real questions and bar that Nikunj Kothari applies to founders, before you take the…

Build Node.js backends for BigCommerce apps — Express/Fastify servers, OAuth handling, JWT verification, API proxy, webhook processing…

Build Node.js backends for Shopify apps — Remix server, @shopify/shopify-app-remix, session storage, OAuth handling, API proxy, webhook…

Builds, refactors, and reviews Node.js services, CLI tools, and runtime scripts with module-system compatibility, stream safety, and async…

Prevent Ethereum hashing bugs in JavaScript and TypeScript.

When to activate: Node.js, Express, Fastify, streams, EventEmitter, child_process, cluster, worker_threads, HTTP server

Assist with Kubernetes interactions including debugging (kubectl logs, describe, exec, port-forward), resource management (deployments…

Normalize design to match your design system and ensure consistency

Apply interface-design principles while building any interface — screens, forms, flows, CLI commands, TUI views, error messages, empty…

Turn travel photos into 3:4 nostalgic editorial posters as either a photo-and-drawing comparison or a full-canvas minimal illustration.