MCP servers for HTTP / API

DataDC MCP — Washington, DC open data (opendata.dc.gov, ArcGIS REST API).

DataDetroit MCP — Detroit open data (data.detroitmi.gov, ArcGIS REST API).

Pennsylvania Open Data (data.pa.gov) Socrata MCP.

data.gov.au MCP — Australia open-data CKAN catalogue.

DNS MCP — DNS and network lookup tools

eCFR (Electronic Code of Federal Regulations) MCP.

Ecuador Government Procurement MCP — SERCOP / Public Procurement (keyless).

EDGAR MCP — SEC EDGAR public APIs (free, no auth)

Education Data MCP — US K-12 schools, districts, funding and child poverty.

eLife MCP — keyless open-access life-sciences & biomedical journal articles.

Emoji MCP.

US EPA Envirofacts MCP.

FIRST.org EPSS (Exploit Prediction Scoring System) MCP.

Etherscan MCP — multichain block-explorer API (Etherscan V2)

FAA civil aircraft registry — resolve a US tail number (N-number) to its

Federal Register MCP — US Federal Register API (free, no auth)

Firecrawl MCP — wraps the Firecrawl API (firecrawl.dev) for web

FlashAlpha MCP — wraps the FlashAlpha options-exposure analytics API

FlightAware MCP — wraps FlightAware AeroAPI v4 (aeroapi.flightaware.com)

Flights MCP — live aircraft tracking + aircraft/route registry

Gaming Feeds MCP.