MCP Server

Maintained

MIT

EVM Wallet Signer MCP Server

io.github.nikicat/mcp-wallet-signer

Repository Registry

What is the EVM Wallet Signer MCP server?

Route EVM transactions to browser wallets (MetaMask, etc.) for signing via EIP-6963

How to install EVM Wallet Signer

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

EVM_MCP_PORT
HTTP server port for the browser approval UI (default: 3847)
EVM_MCP_DEFAULT_CHAIN
Default EVM chain ID (default: 1 for Ethereum mainnet)

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "mcp-wallet-signer": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-wallet-signer"
      ],
      "env": {
        "EVM_MCP_PORT": "<YOUR_EVM_MCP_PORT>",
        "EVM_MCP_DEFAULT_CHAIN": "<YOUR_EVM_MCP_DEFAULT_CHAIN>"
      }
    }
  }
}

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