Entity-ID Resolver

Official

by entityresolver

Resolve ambiguous names/tickers to verified canonical IDs: SEC CIK, GLEIF LEI, Wikidata, CoinGecko.

Install

Configuration

Environment variables

BUYER_PRIVATE_KEYsecret

0x-hex private key of a dedicated low-value wallet holding USDC on Base. Optional — without it only the free demo_resolve tool is available; with it the paid resolve_entity tool settles $0.005 USDC per call via x402.

ENTITYRESOLVER_URL

Override the service base URL. Defaults to https://entityresolver.xyz.

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claude_desktop_config.json

json

{
  "mcpServers": {
    "resolver": {
      "command": "npx",
      "args": [
        "-y",
        "entityresolver-mcp@0.1.1"
      ],
      "env": {
        "BUYER_PRIVATE_KEY": "<YOUR_BUYER_PRIVATE_KEY>",
        "ENTITYRESOLVER_URL": "<YOUR_ENTITYRESOLVER_URL>"
      }
    }
  }
}