curl --request GET \
  --url https://api.agentpowers.ai/v1/sellers/{slug}

{
  "display_name_slug": "<string>",
  "verified": true,
  "total_skills": 123,
  "total_downloads": 123,
  "display_name": "<string>",
  "avatar_url": "<string>",
  "github_username": "<string>",
  "bio": "<string>",
  "website_url": "<string>",
  "github_url": "<string>",
  "linkedin_url": "<string>",
  "twitter_url": "<string>",
  "joined_at": "<string>",
  "skills": []
}