This server gives your AI agent instant access to cached DNS, WHOIS, SSL certificate, and geo-IP lookups without burning tokens or hitting rate limits on live queries. It's part of the weiseer family of cached oracles, which basically pre-fetch and snapshot common lookup data so your agent doesn't have to shell out to dig or whois commands repeatedly. The pitch is simple: instead of spending 100 to 1500 times more in tokens and latency doing these lookups yourself, you pull from their snapshot. You'd reach for this when building agents that need to inspect domains, check SSL certs, or geolocate IPs as part of security audits, network diagnostics, or reconnaissance workflows.
DNS/WHOIS/SSL/geo-IP cache MCP server for AI agents. stdio MCP server.
Part of weiseer — AI-agent-native cached oracles.
npm install -g @weiseer/dns-cache-mcp
{
"mcpServers": {
"dns-cache": {
"command": "npx",
"args": ["-y", "@weiseer/dns-cache-mcp"]
}
}
}
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.
DNS_CACHE_URL — override remote snapshot URLDNS_CACHE_LOCAL_ONLY=1 — skip remote fetchApache-2.0
DNS_CACHE_URLOverride remote snapshot URL
DNS_CACHE_LOCAL_ONLYSkip remote fetch