AI Insight Log

Dec 21, 2025 · Artificial Intelligence

OpenAI Codex Adds Official Skills Support, Echoing Claude’s Open Agent Standard

OpenAI’s Codex now officially supports the open Agent Skills standard, introducing reusable instruction‑script‑resource bundles, progressive disclosure loading, explicit and implicit invocation methods, built‑in system skills, and cross‑tool compatibility including GitHub Copilot, signaling a move toward a unified AI agent ecosystem.