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Lotero

io.github.csacanam/lotero · v0.1.0

Provably fair on-chain slot machine for AI agents: x402 spins on Base, Chainlink VRF results.

Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add lotero -e LOTERO_WALLET_PRIVATE_KEY=<LOTERO_WALLET_PRIVATE_KEY> -e LOTERO_PLAYER_ADDRESS=<LOTERO_PLAYER_ADDRESS> -e LOTERO_MAX_SPINS_PER_SESSION=<LOTERO_MAX_SPINS_PER_SESSION> -- npx -y [email protected]
claude_desktop_config.json
{
  "mcpServers": {
    "lotero": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "LOTERO_WALLET_PRIVATE_KEY": "<LOTERO_WALLET_PRIVATE_KEY>",
        "LOTERO_PLAYER_ADDRESS": "<LOTERO_PLAYER_ADDRESS>",
        "LOTERO_MAX_SPINS_PER_SESSION": "<LOTERO_MAX_SPINS_PER_SESSION>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "lotero": {
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "LOTERO_WALLET_PRIVATE_KEY": "<LOTERO_WALLET_PRIVATE_KEY>",
        "LOTERO_PLAYER_ADDRESS": "<LOTERO_PLAYER_ADDRESS>",
        "LOTERO_MAX_SPINS_PER_SESSION": "<LOTERO_MAX_SPINS_PER_SESSION>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "lotero": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "[email protected]"
      ],
      "env": {
        "LOTERO_WALLET_PRIVATE_KEY": "<LOTERO_WALLET_PRIVATE_KEY>",
        "LOTERO_PLAYER_ADDRESS": "<LOTERO_PLAYER_ADDRESS>",
        "LOTERO_MAX_SPINS_PER_SESSION": "<LOTERO_MAX_SPINS_PER_SESSION>"
      }
    }
  }
}

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
LOTERO_WALLET_PRIVATE_KEY
Optional, secret		Dedicated wallet with USDC on Base — pays spins/claims via x402. Required only for spin/claim.
LOTERO_PLAYER_ADDRESS
Optional		Default player — the human's wallet, where winnings accrue and get claimed.
LOTERO_MAX_SPINS_PER_SESSION
Optional		Enforced responsible-gambling spin limit per session (default 10).

Details

Package[email protected] (NPM, stdio)
First published12 Jul 2026
Last updated12 Jul 2026
Registry nameio.github.csacanam/lotero

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