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Route EVM transactions to browser wallets (MetaMask, etc.) for signing via EIP-6963
About
Route EVM transactions to browser wallets (MetaMask, etc.) for signing via EIP-6963
What You'll Need
Set these up before or after installing:
HTTP server port for the browser approval UI (default: 3847)
Environment variable: EVM_MCP_PORT
Default EVM chain ID (default: 1 for Ethereum mainnet)
Environment variable: EVM_MCP_DEFAULT_CHAIN
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"io-github-nikicat-mcp-wallet-signer": {
"env": {
"EVM_MCP_PORT": "your-evm-mcp-port-here",
"EVM_MCP_DEFAULT_CHAIN": "your-evm-mcp-default-chain-here"
},
"args": [
"-y",
"mcp-wallet-signer-web"
],
"command": "npx"
}
}
}Security Report
5.2
Moderate5.2Moderate RiskWell-designed MCP server that prioritizes security by routing blockchain interactions through users' browser wallets rather than handling private keys directly. The authentication model is appropriate for its purpose, requiring explicit user approval for all sensitive operations through the browser. Supply chain analysis found 9 known vulnerabilities in dependencies. Package verification found 1 issue (1 critical, 0 high severity).
8 files analyzed · 14 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
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