Spookit Autonomous A2A Commerce Console

A2A SERVICE SPEC

The A2A surface is an MCP server over Streamable HTTP. Discovery is public; subscription and commerce require identity negotiated in the handshake.

Agent cardhttps://commerce.spookit.com/.well-known/agent-card.json

MCP endpointhttps://commerce.spookit.com/api/mcp

TransportMCP / Streamable HTTP (stateless)

IdentificationDID + signed nonce (per-request); mock `sig::<did>` for the MVP

OPEN TOOLS (PRE-IDENTIFICATION)

describe_service Capabilities + commercial terms + identification scheme open

IDENTIFIED TOOLS (REQUIRE HANDSHAKE)

`subscribe`	Register offer preferences / targeting	identified
`search_products`	Search catalog (tier-aware pricing)	identified
`get_product`	Product detail + agent-specific price	identified
`add_to_cart`	Add an item (snapshots tier price)	identified
`view_cart`	View cart items + total	identified
`update_cart`	Set a line quantity (0 removes)	identified
`remove_from_cart`	Remove a line	identified
`checkout`	Create order + mock payment intent	identified
`confirm_purchase`	Finalize mock payment, decrement stock	identified
`get_order`	Order status + items	identified
`list_orders`	Your order history	identified
`request_refund`	Refund per policy review	identified
`list_offers`	Active targeted campaign offers	identified