Base launches MCP tools, enabling AI Agents to directly control crypto wallets: transfers, token swaps, and balance checks all in one go

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Coinbase's L2 blockchain Base has launched a Model Context Protocol tool, allowing AI Agents like Claude and ChatGPT to directly operate crypto wallets, supporting transfers, swaps, balance checks, and transaction history. Agents don't touch private keys, and each transaction still requires manual confirmation, but the infrastructure for a micropayment economy is taking shape. (Background: Can MCP, which connects everything, combined with Web3, become the next AI 100x narrative?) (Context: With trading volume doubling and multi-chain deployment accelerating, why hasn't the x402 protocol been a flash in the pan?) Coinbase's Ethereum Layer 2 network Base announced on Tuesday the launch of the MCP (Model Context Protocol) tool, enabling AI Agents to directly operate crypto wallets on Base. Users only need natural language commands, and Claude and ChatGPT can help with transfers, swaps, balance checks, browsing transaction records, and even interacting with DeFi protocols like Morpho and Uniswap. This tool allows AI models to go beyond just "reading information" and actually execute blockchain operations, while wallet private keys remain in users' hands. Base explained in its official blog that the Base MCP workflow is intuitive: the AI Agent proposes operations in the chat interface, then the Base wallet opens in a new window where the user can confirm or cancel the transaction. The system simulates asset changes before the user presses confirm, so you can clearly see what will happen. Coinbase's AI product lead Lincoln Murr told Fortune: "Your Base wallet follows you, whether inside an AI Agent or in the Base App—transactions, history, and portfolio all sync." Supported protocols include Morpho, Moonwell, Uniswap, Aerodrome, Avantis, Bankr, and Virtuals, covering lending, DEX, liquidity, and AI agent domains. Base MCP is also an extension of the x402 protocol that Coinbase launched in May 2025. x402 is an AI Agent payment standard that allows AI models to make tiny payments in cryptocurrency, as naturally as humans browse the web. However, this micropayment economy is still in its early stages. According to x402scan data, the x402 protocol processed approximately $1.1 million in transaction volume over the past 30 days. Murr described MCP as a "polished wrapper" on top of APIs, working alongside x402 to drive the AI Agent micropayment ecosystem. AI Agent applications in the crypto space are not without risk. Researchers from Google and Meta recently published a paper stating that AI Agents should be treated as "untrusted system components," requiring clear separation between instructions and data to prevent attackers from hiding malicious commands. Just this week, developer platform Socket also discovered malware injecting hidden instructions to hijack AI programming assistants, with crypto developers as the direct target. The emergence of Base MCP essentially moves the "operation interface" for crypto wallets from the wallet App to the AI chat window. For users, this means that once widely adopted, they may no longer need to switch pages between multiple DeFi protocols—they can simply tell the AI "help me swap USDC for ETH and then deposit it into Aave" to complete an entire on-chain operation. But the key issue is: AI Agent accuracy depends on the timeliness of training data and news information. If the Base wallet's AI misjudges slippage or gas fees during a swap, users still need to spend time verifying. The MCP tool is more like an "autocomplete" feature for crypto operations, rather than "fully autonomous driving." Worth noting is that Base, as Coinbase's L2 network, directly connects its own wallet ecosystem with mainstream AI models through the MCP tool. This is not just technical integration, but also competition for user traffic entry points. When your Claude and ChatGPT can both operate Base wallets, Coinbase's user acquisition cost will be significantly reduced.

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