Local keystore + MCP server. Claude can sign EVM transactions but never sees the private key.
Connect Runs on your machine
claude mcp add sigil -e SIGIL_HOME=<SIGIL_HOME> -e SIGIL_CONTROL_SOCK=<SIGIL_CONTROL_SOCK> -- npx -y [email protected]{
"mcpServers": {
"sigil": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"SIGIL_HOME": "<SIGIL_HOME>",
"SIGIL_CONTROL_SOCK": "<SIGIL_CONTROL_SOCK>"
}
}
}
}{
"mcpServers": {
"sigil": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"SIGIL_HOME": "<SIGIL_HOME>",
"SIGIL_CONTROL_SOCK": "<SIGIL_CONTROL_SOCK>"
}
}
}
}{
"servers": {
"sigil": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"SIGIL_HOME": "<SIGIL_HOME>",
"SIGIL_CONTROL_SOCK": "<SIGIL_CONTROL_SOCK>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
SIGIL_HOMEOptional | Override the default ~/.sigil directory for keyfiles, audit log, and control socket. |
SIGIL_CONTROL_SOCKOptional | Override the default control socket path (~/.sigil/control.sock). |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 20 May 2026 |
| Last updated | 20 May 2026 |
| Registry name | io.github.cdrn/sigil |
More other servers See all
Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.