Codex Knowledge Base
Database Schema Migrations with Codex CLI: Atlas Skills, ORM Workflows, and Agent-Driven Migration Pipelines
Database schema migrations sit at an uncomfortable intersection: they demand precision (a wrong column drop is irreversible), context awareness (what does.
Codex CLI Custom Agent Definitions: Building Specialised Subagents with TOML Configuration
Codex CLI ships with three built-in agent types — default, worker, and explorer — but the real power emerges when you define your own . Custom agent.
Codebase Onboarding with Codex CLI: Using AI Agents to Ramp Up on Unfamiliar Projects
Every developer knows the feeling: you join a new team, clone a repository with 800 files across 40 directories, and spend the next fortnight piecing.
Codex CLI with Azure OpenAI and Microsoft Foundry: Enterprise Agent Deployment on Azure Infrastructure
Codex CLI's first-party GitHub integration makes it trivially easy to start coding with agents — but many enterprise engineering teams run on Azure.
Codex CLI for Vue and Nuxt Teams: Composition API, Pinia, Vitest, and Agent-Driven Component Workflows
Vue 3.6 and Nuxt 4.4 represent the current state of the art for the Vue ecosystem . Combined with Codex CLI v0.125, Vue teams now have a mature.
JavaScript-to-TypeScript Migration with Codex CLI: Gradual Typing Strategies for Large Codebases
Migrating a JavaScript codebase to TypeScript remains one of the most requested — and most dreaded — modernisation tasks in 2026.
Test-Driven Development with Codex CLI: Agent-Driven Red-Green-Refactor Workflows
The single most reliable technique for getting consistently correct output from a coding agent is also one of the oldest ideas in software engineering.
Codex CLI for Swift and iOS Teams: Xcode MCP, SwiftUI Skills, and Agent-Driven Apple Platform Development
Apple's integration of agentic coding into Xcode 26.3 in February 2026 transformed how iOS teams work with AI coding agents . Codex CLI now operates as both.
Codex CLI for Svelte and SvelteKit Teams: Runes, Svelte MCP, and Agent-Driven Component Workflows
Svelte 5's runes system fundamentally changed how reactivity works in the framework — replacing implicit $: declarations with explicit primitives like.
Codex CLI and Storybook MCP: Agent-Driven Component Development, Story Generation, and Visual Testing
Front-end teams spend a disproportionate amount of time on the mechanical parts of component development: writing stories, documenting props, building.