Developer Tools

rdapapi.io

Provides RDAP lookups for domains, IPs, ASNs, nameservers, and entities to retrieve registration and allocation information.

1 endpoint7 known toolsFirst detected August 22, 2026Last detected September 22, 2026

ENDPOINT 1

https://rdapapi.io/mcp/rdap

No auth detected

MCP server metadata

Name: RDAP API
Version: 1.2.0

Capabilities

toolsresourcesprompts

Known tools 7

domain-lookup

Look up normalized RDAP registration data (registrar, status, dates, nameservers, contacts) for a domain name.

Inferred read-only

bulk-domain-lookup

Look up normalized RDAP registration data for several domain names in one pooled call.

Inferred read-only

ip-lookup

Look up normalized RDAP allocation data (network range, holder, country, status, geofeed URL) for an IP address or CIDR block.

Inferred read-only

asn-lookup

Look up normalized RDAP data (holder, country, status, registration dates) for an autonomous system number.

Inferred read-only

nameserver-lookup

Look up normalized RDAP data (IP addresses, status, sponsoring registrar) for a nameserver hostname.

Inferred read-only

entity-lookup

Look up normalized RDAP data for an RIR entity handle — an organization or contact identifier such as "GOGL" or "ORG-RIEN1-RIPE".

Inferred read-only

tlds

List the TLDs this API can query, or describe one: which RDAP server answers for it, since when it has been supported, and how often that server fills each field.

Inferred read-only

CONNECT WITH APPROVAL

Client installation

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.rdap-api]
url = "https://rdapapi.io/mcp/rdap"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "rdap-api": {
      "type": "http",
      "url": "https://rdapapi.io/mcp/rdap"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: rdap-api
Remote MCP URL: https://rdapapi.io/mcp/rdap

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "rdap-api": {
      "url": "https://rdapapi.io/mcp/rdap"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "rdap-api": {
      "type": "http",
      "url": "https://rdapapi.io/mcp/rdap"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "rdap-api",
  "transport": "streamable-http",
  "url": "https://rdapapi.io/mcp/rdap"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

TRUST AND VERIFICATION EVIDENCE

Loading Trust v2 evidence…

Checking the associated registrable domain. The BuiltWith key remains server-side.

Indexed

Evidence is source-attributed and does not guarantee that a third-party server is safe. Risk labels are conservative metadata heuristics.