Key Takeaways:
Base launched Base MCP on May 26, 2026, letting AI agents like Claude execute onchain actions via natural language prompts.Base MCP connects 6 decentralized finance ( DeFi) protocols at launch, including Uniswap, Morpho, and Avantis, without exposing private keys.Coinbase’s Base positions the tool as foundational infrastructure for an agentic economy built on its layer two ( L2) network.When an agent proposes a sensitive action such as a token transfer or swap, it generates a link that opens the Base App. The user reviews simulated asset changes, then confirms or cancels the transaction before anything executes onchain.
Developers can extend the system by writing custom skill plugins using markdown specifications. The specs guide agents on how to call external APIs and hand off unsigned transactions to the user for approval.
Base MCP also supports payments for x402-enabled services, a micropayment standard, along with balance and transaction history lookups across other EVM-compatible chains.
The release generated speculation about a potential BASE token, but no token announcement accompanied the launch. Earlier Base MCP server code published on Github has since been deprecated and replaced by the current integration.
The product reduces friction for users who want onchain access without switching between multiple applications. It keeps the approval authority with the user at every step. Base has indicated that additional skill plugins and ecosystem integrations are planned, and it encouraged builders to develop their own using the published specification framework.