WhoisJSON MCP Server
by whoisjsonio.github.Whoisjson/mcp-serverv1.0.3
MCP server for the WhoisJSON API — WHOIS, DNS, SSL, and domain availability tools
context tax
queued
security
queued
cold start
queued
freshness
Stale6mo ago
Install WhoisJSON MCP server
Install in Claude Code
claude mcp add whoisjson -e WHOISJSON_API_KEY='<whoisjson-api-key>' -- npx -y @whoisjson/mcp-serverInstall in Cursor
{
"mcpServers": {
"whoisjson": {
"command": "npx",
"args": [
"-y",
"@whoisjson/mcp-server"
],
"env": {
"WHOISJSON_API_KEY": "<whoisjson-api-key>"
}
}
}
}Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).
Install in Claude Desktop
{
"mcpServers": {
"whoisjson": {
"command": "npx",
"args": [
"-y",
"@whoisjson/mcp-server"
],
"env": {
"WHOISJSON_API_KEY": "<whoisjson-api-key>"
}
}
}
}Settings → Developer → Edit Config (claude_desktop_config.json), then restart.
Install in VS Code
{
"servers": {
"whoisjson": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@whoisjson/mcp-server"
],
"env": {
"WHOISJSON_API_KEY": "<whoisjson-api-key>"
}
}
}
}Add to .vscode/mcp.json in your workspace.
Install in Windsurf
{
"mcpServers": {
"whoisjson": {
"command": "npx",
"args": [
"-y",
"@whoisjson/mcp-server"
],
"env": {
"WHOISJSON_API_KEY": "<whoisjson-api-key>"
}
}
}
}Add to ~/.codeium/windsurf/mcp_config.json.
Configuration
| Variable | Required | Secret | Description |
|---|---|---|---|
| WHOISJSON_API_KEY | yes | yes | Your WhoisJSON API key from whoisjson.com/dashboard |
Freshness
Stale — last maintenance signal 6mo ago. The newest of the signals below sets the band.
Last commit (default branch)
2026-04-09 · 6mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-04-09 · 6mo ago · official registry · v1.0.3
FAQ
›How do I install the WhoisJSON MCP server in Claude Code?
Run: claude mcp add whoisjson -e WHOISJSON_API_KEY='<whoisjson-api-key>' -- npx -y @whoisjson/mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.
›Does WhoisJSON require an API key?
Yes. It expects WHOISJSON_API_KEY, of which 1 is a secret.
›Can I use WhoisJSON as a remote (hosted) MCP server?
No hosted endpoint is published; it runs locally over stdio.
›Is WhoisJSON in the official MCP registry?
Yes, as io.github.Whoisjson/mcp-server.