$ghostcart summary
Privacy-first purchasing agent with search, ranking, payment collection, and background merchant checkout preparation.
$ghostcart flow
search -> rank -> collect shipping -> pay GhostCart -> purchase in background
$ghostcart endpoints
POST /api/search · POST /api/payments/checkout · GET /api/payments/:paymentId · GET /.well-known/agent-card.json
Search + Compare
Structured product discovery, URL resolution, validation, and ranking across noisy merchant surfaces.
Payment Rails
Stripe for human card funding, Locus for USDC and agent-payable GhostCart sessions.
Background Purchase
GhostCart continues merchant checkout after payment confirms, while the user sees only high-level progress.
Agent Surface
`skill.md`, ERC-8004 metadata, and payment receipts tied back to GhostCart’s on-chain identity.