io.github.godwin105/arbiter

io.github.godwin105/arbiter

Is this transaction safe to sign? Decodes what it really does and answers allow, warn or block.

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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": {
    "arbiter": {
      "command": "npx",
      "args": [
        "-y",
        "@arbiterlabs/mcp@0.1.1"
      ],
      "env": {
        "ARBITER_URL": "https://arbiter-hs23.onrender.com",
        "ARBITER_PRIVATE_KEY": "<your ARBITER_PRIVATE_KEY>",
        "ARBITER_MAX_SPEND_USD": "25",
        "ARBITER_MAX_PRICE_PER_CALL": "1"
      }
    }
  }
}
Environment variables
  • ARBITER_URLArbiter deployment to call. Defaults to the hosted service.
  • ARBITER_PRIVATE_KEYrequiredsecretBase64-encoded 64-byte Algorand private key used to pay for calls. The account needs USDC and must be opted in to the USDC asset. Without it every request stops at the paywall.
  • ARBITER_MAX_SPEND_USDLifetime spending cap for this process, in USD. Enforced before anything is signed.
  • ARBITER_MAX_PRICE_PER_CALLRefuse any single call priced above this, in USD.

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

Category
Developer Tools
Version
0.1.1
Registry
active
Published
8/5/2026

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