Federal Register MCP — US Federal Register API (free, no auth)
Free
7,171 MCP servers
Lifestyle & LocalWorks with OpenAI Agents SDK
FlightAware MCP — wraps FlightAware AeroAPI v4 (aeroapi.flightaware.com)
Free
Flights MCP — live aircraft tracking + aircraft/route registry
Free
GDACS MCP — Global Disaster Alert and Coordination System.
Free
Geoapify MCP — wraps the Geoapify Location Platform (geoapify.com)
Free
GOV.UK Content + Search APIs.
Free
H-1B MCP — US H-1B visa sponsorship & wage data from DOL Labor Condition Application (LCA)…
Free
Japan Law MCP — Japanese national laws & ordinances via the e-Gov Law API.
Free
KNMI Data Platform (Open Data API) MCP.
Free
LegiScan MCP — wraps the LegiScan API (api.legiscan.com)
Free
Lob MCP — US address verification, bulk verification, and autocompletion
Free
Mapbox MCP.
Free
MBTA MCP — Boston real-time transit via the MBTA v3 API (api-v3.mbta.com)
Free
MedlinePlus MCP — NIH consumer health info
Free
Meteostat MCP — historical weather from 11k+ stations (no auth)
Free
Moldova Government Procurement (MTender) MCP — keyless.
Free
MyHealthfinder MCP — U.S. preventive-services & health-screening guidance
Free
CMS NPI Registry MCP
Free
Nutrition MCP — wraps Open Food Facts API (free, no auth)
Free
OpenFEC MCP — Federal Election Commission campaign finance data
Free
Open-Meteo MCP — weather forecast + historical reanalysis + sister APIs
Free