aitest/8-skill.md

curl -X POST 'https://api.openai.com/v1/skills' -H "Authorization: Bearer $OPENAI_API_KEY" -F 'files[]=@./contacts/SKILL.md;filename=contacts/SKILL.md;type=text/markdown''
{
  "id": "skill_69b7aab7a0988191afca6ad2c530326b07c9ae27b6429c7c",
  "object": "skill",
  "created_at": 1773644471,
  "default_version": "1",
  "description": "My contact list",
  "latest_version": "1",
  "name": "contacts"
}
<07:01:11#root@codespaces-5a7969=23.97.62.113^x86_64,Linux,Debtrixie/sid:/workspaces/my-default-codespace/aitest>#

注意，必须只有一级目录，不能有子目录 （skills/contacts/skill.md），否则会报错：

{
  "error": {
    "message": "Exactly one of SKILL.md or Skills.md must be present in the skill root",
    "type": "invalid_request_error",
    "param": "files",
    "code": "invalid_value"
  }
}