Sign Ethereum messages - EIP-191, EIP-712 typed data, Permit2, signature verification and recovery
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uvx signing-mcp-serverAdd this server entry to the mcpServers object in your Claude Desktop config, then restart the app.
{
"mcpServers": {
"io-github-nirholas-signing-mcp-server": {
"command": "uvx",
"args": [
"signing-mcp-server"
]
}
}
}~/Library/Application Support/Claude/claude_desktop_config.json%APPDATA%\Claude\claude_desktop_config.jsonNo remote HTTP endpoint is advertised. Use the package or stdio setup shown in Install.
Ethereum & EVM Message Signing is an MCP server for Sign Ethereum messages - EIP-191, EIP-712 typed data, Permit2, signature verification and recovery. It supports STDIO transport.
Use the generated config in Install. This server runs with uvx signing-mcp-server; add any required environment variables before starting your client.
Choose the Claude Desktop tab in Install and copy the config for uvx signing-mcp-server. Add required environment variables before starting Claude Desktop.
Choose the Claude Code tab in Install and copy the config for uvx signing-mcp-server. Add required environment variables before starting Claude Code.
Choose the Codex tab in Install and copy the config for uvx signing-mcp-server. Add required environment variables before starting Codex.
Choose the Cursor or VS Code tab in Install and copy the config for uvx signing-mcp-server. Add required environment variables before starting Cursor or VS Code.
Ethereum & EVM Message Signing uses STDIO transport. Use the package or command config in Install.
Ethereum & EVM Message Signing inventory is listed when the MCP endpoint exposes tools, resources, or prompts. Some servers require auth first.
Ethereum & EVM Message Signing does not advertise a verified auth requirement. If discovery fails, it may still need provider login, an API key, a bearer token, or a session header.
| Package | Registry | Version | Inputs |
|---|---|---|---|
signing-mcp-serverstdio | pypi | 1.0.0 | None advertised |