Lumi Trades: x402 seller checks and test-buys

io.github.cypher-osiris/lumi-trades-mcp

Free signed allow/warn/block before paying x402 sellers; test-buys on XRPL, Base and Stellar

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Connect this server

Add this to your MCP client config — claude_desktop_config.json (Claude Desktop) or .cursor/mcp.json (Cursor).Suits: Claude Desktop · Cursor.

{
  "mcpServers": {
    "lumi-trades-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "lumi-trades-mcp@0.9.9"
      ],
      "env": {
        "EVM_PRIVATE_KEY": "<your EVM_PRIVATE_KEY>",
        "XRPL_SEED": "<your XRPL_SEED>",
        "LUMI_MAX_USD_PER_CALL": "0.30",
        "LUMI_MAX_XRP_PER_CALL": "0.25",
        "LUMI_SESSION_BUDGET": "1",
        "XRPL_NETWORK": "xrpl:0"
      }
    }
  }
}
Environment variables
  • EVM_PRIVATE_KEYsecret0x private key of your Base wallet that pays in USDC (gasless, signed locally)
  • XRPL_SEEDsecretSeed of your XRPL wallet that pays in XRP/RLUSD/USDC (signed locally)
  • LUMI_MAX_USD_PER_CALLPer-call cap in USD for stablecoins (covers every Lumi endpoint)
  • LUMI_MAX_XRP_PER_CALLPer-call cap in XRP
  • LUMI_SESSION_BUDGETMax total spend per server process
  • XRPL_NETWORKxrpl:0 mainnet or xrpl:1 testnet

A starting point — check the repository for exact arguments and setup. Restart your client after editing the config.

Category
Developer Tools
Version
0.9.9
Registry
active
Published
10/26/2026

Remotes

  • streamable-httphttps://api.lumitrades.io/mcp

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