Codex Knowledge Base
Codex CLI for Haskell Development Teams: HLS via LSP-MCP, Type-Driven Agent Workflows, and AGENTS.md for Functional Codebases
Haskell's type system catches entire categories of defects at compile time, but that same rigour makes it an interesting test case for AI coding agents.
Codex CLI in GitHub Actions: Best Practices, Limitations, and Gotchas
The openai/codex-action@v1 GitHub Action transforms Codex CLI from an interactive developer tool into a CI/CD workhorse — reviewing pull requests.
Codex CLI for Embedded and Firmware Development: PlatformIO MCP, Zephyr Workflows, and AGENTS.md for Hardware Teams
Codex CLI articles cover Go, Rust, Python, Swift, Kotlin, Zig — practically every application-level language. Embedded firmware has been conspicuously.
Codex CLI Deployment Verification Patterns: exec Pipelines for Smoke Tests, API Validation, and Infrastructure Drift Detection
Every CI/CD pipeline worth its salt runs pre-merge checks. Far fewer pipelines verify what actually happened after the deployment succeeded. The container.
Codex CLI for Database Schema Migrations: Safe Evolution Patterns with Prisma, Drizzle, and MCP
Database schema migrations sit at the intersection of high consequence and low tolerance for error.
Codex Appshots: Screenshot-Driven Context for Developer Workflows on macOS
Codex has always been strongest when given precise context. The @ mention system, AGENTS.md, and image attachments in the CLI all serve the same purpose.
Codex CLI v0.133: Goal Mode Goes GA
Codex CLI v0.133.0 (released 21 May 2026) marks Goal Mode moving from experimental to generally available.
Codex Computer Use and Locked Mac Remote Desktop: How CUA Turns Codex into a GUI Agent
Published: 2026-05-22 Sources: OpenAI Computer Use docs, OpenAI Use Cases, OpenAI Changelog v26.519, TestingCatalog coverage, Knightli enterprise access.
Codex CLI State of Play — May 2026
OpenAIs Codex CLI has matured rapidly in 2026. The ecosystem now boasts 280+ community tools across 20 categories, a maturing Python SDK, and enterprise.
Codex Remote Connections: Mobile Pairing, SSH Hosts, and Enterprise Access Tokens
Codex has quietly evolved from a single-machine terminal tool into a multi-surface development platform. The remote connections system — spanning mobile.