AgentCard MCP Server

Give your AI agent a debit card. AgentCard lets AI agents create and spend virtual Mastercard debit cards — each with a fixed budget, real card credentials, and full MCP integration.

Features

• MCP-native: One config block connects to Claude Code, Claude Desktop, Cursor, or any MCP client
• Human-in-the-loop: Card funding requires approval via Stripe Checkout
• Single-use by design: Cards are disposable with fixed limits, no overdraft possible
• AES-256-GCM encryption: Card credentials encrypted at rest per-card
• Instant issuance: Cards ready in seconds after funding

Quick Setup

npx agent-cards signup       # Create account (one-time)
npx agent-cards setup-mcp    # Auto-configures Claude Code

Restart Claude Code and your agent can create and spend virtual cards.

Manual Setup (HTTP)

{
  "mcpServers": {
    "agent-cards": {
      "url": "https://mcp.agentcard.sh/mcp",
      "headers": {
        "Authorization": "Bearer <your-jwt>"
      }
    }
  }
}

Get your JWT with: npx agent-cards login

Available Tools

Card Management

• list_cards — List all virtual cards with IDs, last 4 digits, expiry, balance, and status
• create_card — Create a new virtual debit card with specified USD amount ($1-$50)
• get_card_details — Get decrypted PAN, CVV, expiry date, and current balance
• check_balance — Check live balance without exposing credentials
• close_card — Permanently close a virtual card

Checkout Integration

• pay_checkout — Auto-fill a checkout page with an AgentCard via Chrome extension
• detect_checkout — Detect if current browser tab is a checkout page
• fill_card — Fill an existing card into the current checkout form

Payment Setup

• setup_payment_method — Set up a saved payment method via Stripe Checkout
• submit_user_info — Submit identity information required before first card creation

Transaction Tracking

• list_transactions — List transactions for a card with merchant, amount, status, timestamps

Approval Flow

• approve_request — Resolve pending approval requests for card creation

Support

• start_support_chat — Start a new support conversation
• send_support_message — Send a message in an existing support conversation
• read_support_chat — Read message history of a support conversation

How It Works

1. Developer installs: npx agent-cards signup
2. Sets up MCP: npx agent-cards setup-mcp
3. Agent calls create_card with USD amount
4. Human approves funding via Stripe Checkout
5. Agent gets card details with get_card_details
6. Agent uses card to pay for services, APIs, or purchases
7. Card is auto-limited to funded amount — no overdraft possible

Links

• Website: agentcard.sh
• npm: agent-cards
• GitHub: agent-cards/mcp