NestDaddy

SaturnZap

io.github.lqwdtech/saturnzap ยท v1.4.1

Non-custodial Bitcoin Lightning (LDK) wallet for AI agents โ€” pays L402 APIs from CLI or MCP.

Connect Runs on your machine

Terminal
claude mcp add saturnzap -e SZ_PASSPHRASE=<SZ_PASSPHRASE> -e SZ_MCP_MAX_SPEND_SATS=<SZ_MCP_MAX_SPEND_SATS> -- uvx saturnzap==1.4.1
claude_desktop_config.json
{
  "mcpServers": {
    "saturnzap": {
      "command": "uvx",
      "args": [
        "saturnzap==1.4.1"
      ],
      "env": {
        "SZ_PASSPHRASE": "<SZ_PASSPHRASE>",
        "SZ_MCP_MAX_SPEND_SATS": "<SZ_MCP_MAX_SPEND_SATS>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "saturnzap": {
      "command": "uvx",
      "args": [
        "saturnzap==1.4.1"
      ],
      "env": {
        "SZ_PASSPHRASE": "<SZ_PASSPHRASE>",
        "SZ_MCP_MAX_SPEND_SATS": "<SZ_MCP_MAX_SPEND_SATS>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "saturnzap": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "saturnzap==1.4.1"
      ],
      "env": {
        "SZ_PASSPHRASE": "<SZ_PASSPHRASE>",
        "SZ_MCP_MAX_SPEND_SATS": "<SZ_MCP_MAX_SPEND_SATS>"
      }
    }
  }
}

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

NameDescription
SZ_PASSPHRASE
Required, secret
Passphrase used to decrypt the local wallet seed.
SZ_MCP_MAX_SPEND_SATS
Optional
Hard per-request MCP amount-plus-fee ceiling; default 1000 sats.

Details

Package[email protected] (PYPI, stdio)
First published25 Sep 2026
Last updated25 Sep 2026
Registry nameio.github.lqwdtech/saturnzap

More finance and crypto servers See all

Listing data from the official MCP registry. Status and tools from NestDaddy's daily check. Browse all MCP servers.