Ambiguous name/ticker to verified IDs: SEC CIK, GLEIF LEI, ISIN, Wikidata, CoinGecko. Non-US too.
Connect Runs on your machine
claude mcp add resolver -e BUYER_PRIVATE_KEY=<BUYER_PRIVATE_KEY> -e ENTITYRESOLVER_URL=<ENTITYRESOLVER_URL> -- npx -y [email protected]{
"mcpServers": {
"resolver": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"BUYER_PRIVATE_KEY": "<BUYER_PRIVATE_KEY>",
"ENTITYRESOLVER_URL": "<ENTITYRESOLVER_URL>"
}
}
}
}{
"mcpServers": {
"resolver": {
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"BUYER_PRIVATE_KEY": "<BUYER_PRIVATE_KEY>",
"ENTITYRESOLVER_URL": "<ENTITYRESOLVER_URL>"
}
}
}
}{
"servers": {
"resolver": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"[email protected]"
],
"env": {
"BUYER_PRIVATE_KEY": "<BUYER_PRIVATE_KEY>",
"ENTITYRESOLVER_URL": "<ENTITYRESOLVER_URL>"
}
}
}
}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
| Name | Description |
|---|---|
BUYER_PRIVATE_KEYOptional, secret | 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_URLOptional | Override the service base URL. Defaults to https://entityresolver.xyz. |
Details
| Package | [email protected] (NPM, stdio) |
| First published | 4 Aug 2026 |
| Last updated | 4 Aug 2026 |
| Registry name | xyz.entityresolver/resolver |
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