Skip to content
mcp/harbor
Grok

SPR (Sealed Payment Record) for Grok

network.luca/spr-mcp

Seal every payment your AI agent makes as a signed record, on your own machine, with your key.

client:Grok transport:stdio runtime:npm

Install SPR (Sealed Payment Record) in Grok

.mcp.json (in your project root)

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "spr-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@luca-network/spr-mcp"
      ],
      "env": {
        "SPR_AGENT_ID": "<SPR_AGENT_ID>",
        "SPR_ENTITY": "<SPR_ENTITY>",
        "SPR_DIR": "<SPR_DIR>",
        "SPR_TIME_ZONE": "<SPR_TIME_ZONE>",
        "SPR_BINDING": "<SPR_BINDING>"
      }
    }
  }
}

Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs

SPR (Sealed Payment Record) in other clients

SPR (Sealed Payment Record) MCP server