SaturnZap MCP Server

by lqwdtechio.github.lqwdtech/saturnzapv1.4.1

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

7Pythonstdioofficial registry

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Active14d ago

Install SaturnZap MCP server

claude mcp add saturnzap -e SZ_PASSPHRASE='<sz-passphrase>' -- uvx saturnzap

{
  "mcpServers": {
    "saturnzap": {
      "command": "uvx",
      "args": [
        "saturnzap"
      ],
      "env": {
        "SZ_PASSPHRASE": "<sz-passphrase>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "saturnzap": {
      "command": "uvx",
      "args": [
        "saturnzap"
      ],
      "env": {
        "SZ_PASSPHRASE": "<sz-passphrase>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "saturnzap": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "saturnzap"
      ],
      "env": {
        "SZ_PASSPHRASE": "<sz-passphrase>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "saturnzap": {
      "command": "uvx",
      "args": [
        "saturnzap"
      ],
      "env": {
        "SZ_PASSPHRASE": "<sz-passphrase>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
SZ_PASSPHRASE	yes	yes	Passphrase used to decrypt the local wallet seed.
SZ_MCP_MAX_SPEND_SATS	—	—	Hard per-request MCP amount-plus-fee ceiling; default 1000 sats.

Freshness

Active — last maintenance signal 14d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-25 · 14d ago · GitHub
Latest release
2026-09-25 · 14d ago · GitHub · v1.4.1
Package published
no data · npm/PyPI
Registry entry updated
2026-09-25 · 14d ago · official registry · v1.4.1

FAQ

›How do I install the SaturnZap MCP server in Claude Code?

Run: claude mcp add saturnzap -e SZ_PASSPHRASE='<sz-passphrase>' -- uvx saturnzap. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does SaturnZap require an API key?

Yes. It expects SZ_PASSPHRASE, of which 1 is a secret.

›Can I use SaturnZap as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is SaturnZap in the official MCP registry?

Yes, as io.github.lqwdtech/saturnzap.