CoinFello launches open-source skills based on MetaMask, allowing AI agents to execute on-chain transactions without accessing private keys

AI agent developer CoinFello has released the open-source skill OpenClaw, allowing AI agents to securely connect to MetaMask and execute on-chain transactions without ever accessing the user's private keys.

This skill is built on the MetaMask smart account suite, utilizing ERC-4337 smart accounts and the ERC-7710 delegation mechanism. Users can grant AI agents the minimum permissions required to perform specific tasks, effectively mitigating the risks of prompt injection attacks that existing AI agent wallets commonly face.

CoinFello's Chief Technology Officer Brett Cleary stated, "If we want agents to meaningfully participate in the on-chain economy, we need a security model that is better than directly handing over private keys."

Supported features include ERC-20 token swaps, cross-EVM bridging, NFT interactions, staking, lending, and multi-step trading strategies, all triggered by natural language commands. This skill is released under the MIT License.