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Agentcard

ConnectionMCP

let agents buy online

Read the full connection docs

Install

Add the connection from eve's registry. This writes the initial definition under agent/connections/ and installs its authentication dependency when needed:

bash
eve add connection/agentcard

Quick start

Create agent/connections/agentcard.ts. The connection name is derived from the filename:

ts
// agent/connections/agentcard.tsimport { connect } from "@vercel/connect/eve";import { defineMcpClientConnection } from "eve/connections";
export default defineMcpClientConnection({  url: "https://mcp.agentcard.sh/mcp",  description: "Agentcard: the agent's wallet. Shop and check out at real merchants (DoorDash, Good Eggs, flights) with the conversational `buy` tool (thread conversation_id on follow-ups), issue a single-use virtual card to pay at any checkout, let the user add their own card, and manage the cash that funds it: balance, top-ups, transactions, KYC, human support.",  auth: connect("agentcard"),});

Connect owns the OAuth flow, and each end-user authorizes in their own browser before their first tool call.

Configure

Link your project, create the connector, and pull OIDC locally:

bash
vercel linkvercel connect create agentcardvercel env pull

See the Connections docs for principal types, headers, approval, and protocol-specific filters.