Browse MCP servers
MCP Harbor, an MCP Server Registry, Directory, and Tower to Buzz.
10 matching
Showing 1–10 of 10 servers
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FX Converter MCP
streamable-httpio.github.lulu-the-narwhal/fx-converter-mcp
Free, keyless real-time currency conversion and exchange rates for any currency pair.
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Weather MCP
streamable-httpio.github.lulu-the-narwhal/weather-mcp
Free, keyless real-time weather and 7-day forecasts for any city worldwide.
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Lulu Registry MCP
streamable-httpio.github.lulu-the-narwhal/registry-mcp
Search and get install details on MCP servers, right from your agent -- a unified marketplace index.
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Crypto Price MCP
streamable-httpio.github.lulu-the-narwhal/crypto-price-mcp
Free, keyless live cryptocurrency prices, market cap, and 24h change via CoinGecko.
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Postal Lookup MCP
streamable-httpio.github.lulu-the-narwhal/postal-lookup-mcp
Free, keyless postal/ZIP code lookup: place name(s), state/region, and coordinates.
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Domain RDAP MCP
streamable-httpio.github.lulu-the-narwhal/domain-rdap-mcp
Free, keyless domain registration lookup via RDAP: registered, available, registrar, expiration.
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Air Quality MCP
streamable-httpio.github.lulu-the-narwhal/air-quality-mcp
Free, keyless real-time air quality (US AQI plus PM2.5, PM10, ozone, NO2, SO2, CO) for any city.
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Holidays MCP
streamable-httpio.github.lulu-the-narwhal/holidays-mcp
Free, keyless public holidays lookup for any country and year, plus single-date holiday checks.
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Lulu Ads — Publisher Concierge
streamable-httpio.github.lulu-the-narwhal/lulu-ads
Self-serve publisher onboarding for Lulu Ads. 70% CPA, disclosed sponsored field.
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Dali by Lulu
streamable-httpio.github.lulu-the-narwhal/dali
The prediction MCP — score your prompt before you generate, so you never waste a credit.
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Search this catalogue from your agent
The registry is itself an MCP server. Add it once and your agent runs these same searches, with no account and no key.
claude mcp add --transport http mcp-registry-search https://ai.mcpharbor.dev/mcp