AI Meets Crypto: Coinbase Unleashes Payments MCP for Onchain Transactions

Coinbase is taking a major step toward merging artificial intelligence with blockchain technology.

The U.S.-based crypto exchange has unveiled Payments MCP, a system designed to let AI agents interact directly with blockchain networks – opening the door for models like Claude from Anthropic and Gemini from Google to manage wallets and send crypto transactions autonomously.

The innovation was built by the Coinbase Developer Platform and coincides with the creation of the x402 Foundation, a joint effort between Coinbase and Cloudflare aimed at establishing common standards for AI-driven payments.

According to Coinbase executives Dan Kim and Erik Reppel, the new protocol allows AI agents to perform the same blockchain-based actions that humans do – such as creating wallets, using stablecoins, and accessing onchain financial tools – but all through simple natural language instructions.

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Unlike traditional MPC (multi-party computation) encryption methods, MCP here stands for Model Context Protocol, a framework that connects large language models to external services. The team argues that stablecoins provide the perfect foundation for AI-related payments because they move instantly, integrate easily with APIs, and eliminate the need for human intermediaries.

“For the first time, large language models can plug directly into the crypto economy,” the developers explained, noting that Payments MCP makes it possible for AI to execute real transactions over decentralized finance infrastructure such as x402.

The system can be deployed locally, customized for various use cases, and requires minimal user input – signaling a future where AI systems can independently participate in the blockchain ecosystem.