curl -X POST "https://app.cotool.ai/api/skills" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"name":"string","description":"string","instructionPrompt":"string","requiredTools":["string"],"references":[{"filename":"string","directory":"references","sizeBytes":0,"content":"string"}]}'

{
  "id": "<string>",
  "organizationId": "<string>",
  "name": "<string>",
  "description": "<string>",
  "requiredTools": [
    "<string>"
  ],
  "createdByUserId": "<string>",
  "createdAt": "<string>",
  "updatedAt": "<string>",
  "deletedAt": "<string>",
  "instructionPrompt": "<string>",
  "usedByAgentCount": 123,
  "invocationCount30d": 123,
  "currentVersion": 123,
  "references": [
    {
      "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "skillVersionId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "filename": "<string>",
      "directory": "references",
      "sizeBytes": 1,
      "content": "<string>",
      "createdAt": "<string>"
    }
  ]
}