MCP server

heade.rs Official

rs.heade/lookup

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Look up any domain, IP address or AS number: hosting, DNS, registration, email, TLS and headers.

Website

At a glance

Type

MCP server

Publisher

heade.rs (verified by the MCP Registry)

Status

Working at last check

Tools

1

Token cost

About 338 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http lookup https://heade.rs/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.lookup]
url = "https://heade.rs/mcp"

Gemini CLI

{"mcpServers":{"lookup":{"httpUrl":"https://heade.rs/mcp"}}}

Cursor

{"mcpServers":{"lookup":{"url":"https://heade.rs/mcp"}}}

VS Code

{"servers":{"lookup":{"type":"http","url":"https://heade.rs/mcp"}}}

Antigravity

agy mcp add lookup https://heade.rs/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"lookup","server_url":"https://heade.rs/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"lookup","server_url":"https://heade.rs/mcp"}

Tools

• lookup ~338 tokens
  Look up a domain, IP address or network (AS number) on heade.rs and return its report. For a domain or IP address: where it's hosted (network, BGP prefix, RPKI, location, cloud region, CDN), registration (RDAP/WHOIS), DNS records and DNSSEC, email security (SPF, DMARC, MTA-STS, BIMI), the certificat

Browse

• Web scraping
• Domains and DNS
• Email

Related MCP servers

• vøiddo utilities
  26 deterministic tools: PDF, image, QR, CSV/Excel, HTML to PDF, DNS/RDAP, FX rates, time zones.
• Nslookup
  DNS lookups, health reports, SSL certs, security scans, GEO scoring, uptime checks
• IGNOREO
  Paid tools for AI agents over x402: privacy scan, payment-address check, locks, seller marketplace
• SwogeAgentic
  Crypto intel for AI agents: token scans, SWOGE AI colony data, OSINT, web search, images, video
• RDAP API
  Normalized JSON for any domain across 1,200+ TLDs, reading WHOIS where no RDAP server exists.
• GetZeroslide Singapore company register
  Singapore company register from ACRA open data: look up a UEN, search by name, list new companies.
• India API
  Free Indian data and AI: pincode, IFSC, GSTIN, holidays, GST invoice, OCR, translation. No key.
• EU Business & VAT Checker
  Validate an EU VAT number on VIES, look up an LEI, or search a company register.

Badge for your README

[![AptLynx](https://aptlynx.net/badge/rs.heade/lookup.svg)](https://aptlynx.net/servers/rs.heade/lookup)

Listing text is written by the maker; AptLynx lists tools and does not vouch for them. Find another tool · Browse by topic · For agents