AgentCard
AgentCard (agentcard.sh) issues virtual Mastercard debit cards for AI agents via CLI, MCP, API, and a Chrome extension.
About
AgentCard (agentcard.sh) issues virtual Mastercard debit cards for AI agents via CLI, MCP, API, and a Chrome extension. Fund a card, hand the number to any agent, and the agent can spend anywhere Mastercard is accepted online. MCP integration lets Claude Desktop create cards, check balances, and log payments directly in conversation. Free tier available; Pro at $9/month for unlimited cards and API access. Currently in beta with 1,000 new slots open.
Developers who want a quick, accessible way to give agents real online purchasing ability via Mastercard — particularly Claude Desktop users who want card management directly in their agent conversation interface.
Pros & Cons
Pros
- check Mastercard acceptance is broader than crypto rails — works at virtually any online merchant
- check MCP integration means Claude and compatible clients can manage cards without leaving the chat interface
- check Chrome extension fills checkout forms automatically — agents don't need to manually handle card entry
- check Card details (PAN, CVV, expiry) are AES-256-GCM encrypted and only decrypted on explicit request — reasonable security model
- check Pro tier at $9/month is accessible for individual developers with unlimited cards
Cons
- close Beta with 1,000 slots suggests limited availability — not ready for large-scale production deployment
- close Handing full card PAN and CVV to AI agents is a significant trust boundary — one compromised agent has full card access
- close No per-transaction approval or spending policy enforcement beyond the card balance limit
- close Virtual debit card model means funds must be pre-loaded — no credit facility or overdraft protection
- close Not the same as AgentCard (agentcard.ai) — two distinct products share a similar name
More Payments
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