Alienprobe Who MCP runs on your own machine — the client starts it, so there is no endpoint to ping. 35 installs a week from npm. Last commit 4 Sep 2026.
Company name, domain or LEI to its GLEIF legal entity, $0.05 via x402 on Base. Spend caps.
Today is the operative word: we check Alienprobe Who MCP every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add alienprobe-who-mcp -- npx -y @alienprobe/who-mcp
{
"mcpServers": {
"alienprobe-who-mcp": {
"args": [
"-y",
"@alienprobe/who-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.alienprobe-who-mcp]
command = "npx"
args = ["-y", "@alienprobe/who-mcp"]
{
"mcpServers": {
"alienprobe-who-mcp": {
"args": [
"-y",
"@alienprobe/who-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"alienprobe-who-mcp": {
"args": [
"-y",
"@alienprobe/who-mcp"
],
"command": "npx"
}
}
}
This one needs environment variables set before it will start:
PRIVATE_KEY (Hex private key of the paying wallet (USDC on Base). Optional: the free who_terms tool works without it.), MAX_USD_PER_CALL (Per-call spend cap in USD (default 0.10)), MAX_USD_PER_SESSION (Per-process spend cap in USD (default 1.00)).
The author declared them in the registry entry; get the values from the project itself.
Resolve a company domain to its registered legal entity, company number, LEI and VAT number.
Fuzzy entity resolution and dedupe for names, addresses, and company records. $0.02/call via x402.
Resolve company name, domain, or LinkedIn into one canonical identity with confidence scores.
Look up any Australian company by ABN, ACN or name. USD 0.01 per lookup, paid in USDC via x402.
Let AI agents pay-per-call for any HTTP API via x402 on Base mainnet. One tool: pay_and_call.
Resolves a company domain or name to its LinkedIn URL with confidence and firmographics.
Map a company domain to its social media URLs and follower counts via Apify.
Find a named page type on a company's own website from its domain, in 11 languages.
Answers built from our own checks of this server.