EVM Wallet Signer

Name: EVM Wallet Signer
Author: nikicat

Community

MCP server by nikicat · updated 1 month ago · ★ 2 · 109 downloads a week

Score 69

Route EVM transactions to browser wallets (MetaMask, etc.) for signing via EIP-6963 EVM Wallet Signer is a community project by nikicat, not verified by a company domain.

Install Add to Cursor Add to VS Code GitHub

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Works withClaude Code Claude Desktop Cursor Codex Gemini CLI VS Code Windsurf Antigravity CLI

Maintenance

Last commit 35 days ago

Licence

MIT: permissive, fine for commercial use

Quality

Clear description, published package or server URL, original repository

Security

No risky patterns in the files we checked

What you need

Setting	Needed	What it is
`EVM_MCP_PORT`Environment variable	Optional	HTTP server port for the browser approval UI (default: 3847) Default: `3847`
`EVM_MCP_DEFAULT_CHAIN`Environment variable	Optional	Default EVM chain ID (default: 1 for Ethereum mainnet) Default: `1`

From the publisher's entry in the official MCP Registry. Required settings are already in the install config below as placeholders.

Install EVM Wallet Signer

Built from the published package, never by AI

claude mcp add evm-wallet-signer -- npx -y mcp-wallet-signer

Run in your terminal. Add --scope user to use it in every project.

Step-by-step: install EVM Wallet Signer in Claude Code

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

Settings, Developer, Edit config. Paste into claude_desktop_config.json and restart.

Step-by-step: install EVM Wallet Signer in Claude Desktop

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

Add to ~/.cursor/mcp.json (all projects) or .cursor/mcp.json (this project).

Step-by-step: install EVM Wallet Signer in Cursor

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

Add to .vscode/mcp.json. VS Code uses "servers", not "mcpServers".

Step-by-step: install EVM Wallet Signer in VS Code

codex mcp add evm-wallet-signer -- npx -y mcp-wallet-signer

Step-by-step: install EVM Wallet Signer in Codex

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

Add to ~/.gemini/config/mcp_config.json (all projects) or .agents/mcp_config.json (this project).

Step-by-step: install EVM Wallet Signer in Antigravity CLI

gemini mcp add evm-wallet-signer npx -y mcp-wallet-signer

Gemini CLI was replaced by Antigravity CLI in June 2026 and remains only for enterprise licences and paid API keys.

Step-by-step: install EVM Wallet Signer in Gemini CLI

MCP servers run with your permissions and can read what you give them access to. Some need an API key: check the README and add it under env in the evm-wallet-signer block.

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Security check

No download-and-run commands, hidden instructions or signs of sending keys out were found.

Checked automatically: README.md, package.json. This looks for known risky patterns and is not a full audit. How grades work

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EVM Wallet Signer: common questions

How do I install EVM Wallet Signer?

In Claude Code run claude mcp add evm-wallet-signer -- npx -y mcp-wallet-signer. For Claude Desktop, Cursor and VS Code, paste the config shown above and restart. See the install guides.

Is EVM Wallet Signer the official server?

EVM Wallet Signer is a community project by nikicat, not verified by a company domain.

Is EVM Wallet Signer free?

The code is published under the MIT licence. The service it connects to may have its own pricing.

Is EVM Wallet Signer safe to use?

It scores 69 of 100. Grades: maintenance B, licence A, quality C. Security check: grade A, no risky patterns found in the files checked. Review the code before you install. How grades work.

What are alternatives to EVM Wallet Signer?

Does EVM Wallet Signer work with ChatGPT?

Not directly. It runs locally, and ChatGPT only connects to remote servers with a URL. Use it in Claude Code, Claude Desktop, Cursor, VS Code or Codex.