Coinbase Payments MCP gives Claude agents a self-custody wallet with spending limits
kleffew94 · x · 2026-09-06
Coinbase demoed Payments MCP, giving an AI agent its own crypto wallet without API keys.
- In the live setup, the wallet already held $90 from prior micro payments
- Client-side spending limits work: "I only want this agent to spend $5 max" — beyond that, actions require approval inside Claude
- Walked through end-to-end by Kevin Leffew, GTM Lead at Coinbase Dev
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