Normalized JSON for any domain across 1,200+ TLDs, reading WHOIS where no RDAP server exists.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add --transport http rdap-api https://rdapapi.io/mcp/rdap --header 'Authorization: <AUTHORIZATION>'~/.codex/config.toml
[mcp_servers.rdap-api]
url = "https://rdapapi.io/mcp/rdap"
http_headers = { Authorization = "<AUTHORIZATION>" }
# codex mcp add rdap-api --url https://rdapapi.io/mcp/rdap~/.cursor/mcp.json
{
"mcpServers": {
"rdap-api": {
"url": "https://rdapapi.io/mcp/rdap",
"headers": {
"Authorization": "<AUTHORIZATION>"
}
}
}
}.vscode/mcp.json
{
"servers": {
"rdap-api": {
"type": "http",
"url": "https://rdapapi.io/mcp/rdap",
"headers": {
"Authorization": "<AUTHORIZATION>"
}
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"rdap-api": {
"httpUrl": "https://rdapapi.io/mcp/rdap",
"headers": {
"Authorization": "<AUTHORIZATION>"
}
}
}
}claude_desktop_config.json · Customize › Connectors › Add custom connector
{
"mcpServers": {
"rdap-api": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://rdapapi.io/mcp/rdap",
"--header",
"Authorization:<AUTHORIZATION>"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"rdap-api": {
"url": "https://rdapapi.io/mcp/rdap",
"headers": {
"Authorization": "<AUTHORIZATION>"
}
}
}
}