/AI3h ago

Claude Code And Codex Expand With Subagents, Skills, And Workflows

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Ethan Mollick@emollick#175inAI

The capabilities of Claude Code and Codex have expanded a lot in recent months, they added many ways to approach work (subagents, skills, goal, workflows, plugins, etc).

Given the AI labs can use their own AI to help documentation, a surprising amount is effectively undocumented

5:25 AM · Jun 4, 2026 · 12.8K Views
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Ethan Mollick@emollick

In general, OpenAI and Anthropic documentation lags their own products by months, and both companies have tons of obsolete and contradictory advice scattered around their sites.

Ethan Mollick@emollick

The capabilities of Claude Code and Codex have expanded a lot in recent months, they added many ways to approach work (subagents, skills, goal, workflows, plugins, etc).

Given the AI labs can use their own AI to help documentation, a surprising amount is effectively undocumented

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