qdrant-mcp (OAuth 2.1 + Streamable HTTP)
  MCP:       POST https://embedding.hotgirls.now/mcp
  Authorize: https://embedding.hotgirls.now/authorize
  Token:     https://embedding.hotgirls.now/token
  Register:  https://embedding.hotgirls.now/register
  Metadata:  https://embedding.hotgirls.now/.well-known/oauth-authorization-server
  Client ID: qdrant-mcp  (secret: none, PKCE only)
  Or Bearer: master QDRANT_API_KEY