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dns-cache

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DNS/WHOIS/SSL/geo-IP cache MCP server for AI agents.

Source code Documentation

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @weiseer/dns-cache-mcp
Claude Code 
claude mcp add dns-cache -e 'DNS_CACHE_URL=<DNS_CACHE_URL>' -e 'DNS_CACHE_LOCAL_ONLY=<DNS_CACHE_LOCAL_ONLY>' -- npx -y @weiseer/dns-cache-mcp@0.1.1
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "dns-cache": {
            "command": "npx",
            "args": [
                "-y",
                "@weiseer/dns-cache-mcp@0.1.1"
            ],
            "env": {
                "DNS_CACHE_URL": "<DNS_CACHE_URL>",
                "DNS_CACHE_LOCAL_ONLY": "<DNS_CACHE_LOCAL_ONLY>"
            }
        }
    }
}

Environment variables

  • DNS_CACHE_URL Override remote snapshot URL
  • DNS_CACHE_LOCAL_ONLY Skip remote fetch

Documentation

From the project's README on GitHub, refreshed weekly. Links open on GitHub.

Contents
  1. @weiseer/dns-cache-mcp
  2. Install
  3. Use with Claude Desktop / Cursor / Cline / Continue / Windsurf
  4. Why use this instead of your agent doing it itself
  5. Environment
  6. License

@weiseer/dns-cache-mcp

DNS/WHOIS/SSL/geo-IP cache MCP server for AI agents. stdio MCP server.

Part of weiseer — AI-agent-native cached oracles.

Install

npm install -g @weiseer/dns-cache-mcp

Use with Claude Desktop / Cursor / Cline / Continue / Windsurf

{
  "mcpServers": {
    "dns-cache": {
      "command": "npx",
      "args": ["-y", "@weiseer/dns-cache-mcp"]
    }
  }
}

Why use this instead of your agent doing it itself

The DIY cost in token-spend, latency, and rate-limit risk is 100-1500x our cost. See the weiseer organization README for the economic argument.

Environment

  • DNS_CACHE_URL — override remote snapshot URL
  • DNS_CACHE_LOCAL_ONLY=1 — skip remote fetch

License

Apache-2.0

Frequently asked questions

What is dns-cache?

DNS/WHOIS/SSL/geo-IP cache MCP server for AI agents.

How do I install dns-cache?

It runs on your machine. In Claude Code: claude mcp add dns-cache -e 'DNS_CACHE_URL=<DNS_CACHE_URL>' -e 'DNS_CACHE_LOCAL_ONLY=<DNS_CACHE_LOCAL_ONLY>' -- npx -y @weiseer/dns-cache-mcp@0.1.1. For other clients, paste the JSON configuration from this page into their MCP settings.

Does dns-cache need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is dns-cache open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains dns-cache?

It is published by weiseer. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.