How do products like Cursor, Harvey, or Gavel actually implement “agents”?

Name: How do products like Cursor, Harvey, or Gavel actually implement “agents”?
Start: 2026-05-28T20:30:00.000Z
End: 2026-05-28T22:30:00.000Z
Location: AI House, 2801 Alaskan Wy, Seattle, WA 98121, USA