Who MCP Server
by bbrysonelite-maxio.github.bbrysonelite-max/alienprobe-who-mcpv0.1.0
MCP server for the Alien Probe `who` lookup: one legal-entity fact (LEI, legal name, jurisdiction, status), paid per call with x402 on Base. Free refusals, hard spend caps.
context tax
queued
security
queued
cold start
queued
freshness
Maintained36d ago
Install Who MCP server
Install in Claude Code
claude mcp add who -e PRIVATE_KEY='<private-key>' -- npx -y @alienprobe/who-mcpInstall in Cursor
{
"mcpServers": {
"who": {
"command": "npx",
"args": [
"-y",
"@alienprobe/who-mcp"
],
"env": {
"PRIVATE_KEY": "<private-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"who": {
"command": "npx",
"args": [
"-y",
"@alienprobe/who-mcp"
],
"env": {
"PRIVATE_KEY": "<private-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"who": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@alienprobe/who-mcp"
],
"env": {
"PRIVATE_KEY": "<private-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"who": {
"command": "npx",
"args": [
"-y",
"@alienprobe/who-mcp"
],
"env": {
"PRIVATE_KEY": "<private-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| PRIVATE_KEY | — | yes | 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) |
Freshness
Maintained — last maintenance signal 36d ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-09-04 · 36d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-04 · 36d ago · official registry · v0.1.0
FAQ
›How do I install the Who MCP server in Claude Code?
Run: claude mcp add who -e PRIVATE_KEY='<private-key>' -- npx -y @alienprobe/who-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does Who require an API key?
Yes. It expects PRIVATE_KEY, of which 1 is a secret.
›Can I use Who as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is Who in the official MCP registry?
Yes, as io.github.bbrysonelite-max/alienprobe-who-mcp.