openai agent skills: first impressions

openai recently dropped 'agent skills', which is very similar to claude skills. i demo a little example skill i made, which audits a11y issues in my frontend app. then i give a little perspective on how this fits into the normal dev workflow

GENERAL SKILLS INFO
https://developers.openai.com/codex/skills
https://claude-plugins.dev/skills
https://leehanchung.github.io/blogs/2025/10/26/claude-skills-deep-dive/

A11Y SKILLS TO REFERENCE
- https://github.com/ianyimi/obsidian-mcp-macros/blob/master/agent-os/standards/frontend/accessibility.md

- https://github.com/SwitchbackTech/compass/pull/1387

- https://github.com/jeremylongshore/claude-code-plugins-plus-skills/blob/main/backups/skill-structure-cleanup-20251108-073936/plugins/testing/accessibility-test-scanner/skills/accessibility-test-scanner/SKILL.md

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