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The AgentCard MCP server gives your AI agent tools to manage virtual cards, pay for things, and shop — authenticated with your own OAuth login. It’s the recommended way to use AgentCard from Claude Code, Cursor, Claude Desktop, and other MCP clients.
  • Endpoint: https://mcp.agentcard.sh/mcp
  • Transport: Streamable HTTP
  • Auth: OAuth 2.0 — sign in with your AgentCard account; no API keys

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Quick connect (Claude Code)

The CLI configures everything in one step: 
npm install -g agent-cards
agent-cards signup        # click the magic link in your email
agent-cards setup-mcp     # add the MCP server to Claude Code
Then restart your Claude Code session so the tools load. To add it manually instead: 
claude mcp add --transport http agent-cards https://mcp.agentcard.sh/mcp

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Other clients

Add to the agent’s MCP config (.cursor/mcp.json, .windsurf/mcp.json, etc.):
{
  "mcpServers": {
    "agent-cards": {
      "url": "https://mcp.agentcard.sh/mcp"
    }
  }
}
After connecting, restart your agent session before expecting the tools to appear. The first tool call triggers the OAuth sign-in flow in your browser.

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First steps in your agent

Once connected, your agent can call get_instructions for the current usage guide, then list_cards to orient. Creating the first card walks through saving a payment method and one-time KYC — see KYC & approvals. The full tool catalog is in the Tools reference.