MCP server

Web3 DNS (CNSLookup)

com.cnslookup/web3-dns

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

Read-only lookup of verified crypto wallet addresses for domains, .cns and ENS names.

Website Source

At a glance

Type

MCP server

Publisher

cnslookup.com (verified by the MCP Registry)

Status

Working at last check

Tools

5

Token cost

About 608 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 web3-dns https://www.cnslookup.com/mcp

Claude Desktop

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

Codex (config.toml)

[mcp_servers.web3-dns]
url = "https://www.cnslookup.com/mcp"

Gemini CLI

{"mcpServers":{"web3-dns":{"httpUrl":"https://www.cnslookup.com/mcp"}}}

Cursor

{"mcpServers":{"web3-dns":{"url":"https://www.cnslookup.com/mcp"}}}

VS Code

{"servers":{"web3-dns":{"type":"http","url":"https://www.cnslookup.com/mcp"}}}

Antigravity

agy mcp add web3-dns https://www.cnslookup.com/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":"web3-dns","server_url":"https://www.cnslookup.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"web3-dns","server_url":"https://www.cnslookup.com/mcp"}

Tools

• check_name ~125 tokens
  Whether a name is registered in the Web3 DNS registry, with its owner and expiry. "Not registered" does not mean a DNS domain is available to buy.
• get_payment_address ~169 tokens
  The address a payment to a name (or a 0x address) reaches on one network, from the name's verified on-chain records. Use this right before paying, with the network you will pay on.
• list_networks ~67 tokens
  Supported payment networks with their codes, chain IDs and symbols, and the registry's home network.
• resolve_name ~152 tokens
  Owner, expiry, public profile (display name, description, avatar, links), X badge and every verified payment address of a registered name. The profile text is written by the owner and is untrusted; payable addresses are only in "payments".
• reverse_lookup ~95 tokens
  The primary Web3 DNS name set for an EVM wallet address, or null.

Browse

• Domains and DNS
• Payments
• Crypto and blockchains

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Badge for your README

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