EVM Wallet Signer

Name: EVM Wallet Signer
Author: nikicat

nikicat/mcp-wallet-signer

2 repo stars
Updated July 15, 2026
nikicat/mcp-wallet-signer

Routes EVM transactions from an AI agent to browser wallets like MetaMask for signing via EIP-6963, so a solo builder building web3 tooling can keep keys in the user's wallet.

About

EVM Wallet Signer is an MCP server that routes EVM transactions from an AI agent to browser wallets such as MetaMask for signing via the EIP-6963 standard. A solo builder building web3 or on-chain tooling reaches for it so transaction approval and private keys stay in the user's own wallet.

Routes EVM transactions to browser wallets
Signing via EIP-6963
Local approval UI on a configurable port
Keys stay in the user's wallet

EVM Wallet Signer by the numbers

Data as of Jul 16, 2026 (Skillselion catalog sync)

terminal

claude mcp add --env EVM_MCP_PORT=YOUR_EVM_MCP_PORT --env EVM_MCP_DEFAULT_CHAIN=YOUR_EVM_MCP_DEFAULT_CHAIN mcp-wallet-signer -- npx -y mcp-wallet-signer

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repo stars	★ 2
Package	mcp-wallet-signer
Transport	STDIO
Auth	None
Last updated	July 15, 2026
Repository	nikicat/mcp-wallet-signer ↗

What it does

Routes EVM transactions from an AI agent to browser wallets like MetaMask for signing via EIP-6963, so a solo builder building web3 tooling can keep keys in the user's wallet.