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Wallet Signer

Non-custodial EVM wallet MCP — routes transactions to browser wallets (MetaMask, etc.) for signing. Private keys never leave the browser; every action requires explicit user approval via EIP-6963.

finance-fintechbrowser

Installation

npx -y mcp-wallet-signer

Configuration

{
  "mcpServers": {
    "mcp-wallet-signer": {
      "command": "npx",
      "args": ["-y", "mcp-wallet-signer"]
    }
  }
}

How to use

  1. Run the installation command above (if needed)
  2. Open your Claude Code settings file (~/.claude/settings.json)
  3. Add the configuration to the mcpServers section
  4. Restart Claude Code to apply changes
View source on GitHub