MCP servers

Math.js MCP — wraps the mathjs.org API (free, no auth)

Mediastack MCP — wraps Mediastack API (api.mediastack.com/v1)

MedlinePlus MCP — NIH consumer health info

MET Norway weather (api.met.no behind yr.no) — global forecast, sunrise, ocean

Macrostrat MCP — geologic map / column / unit data for North America and beyond.

MakStat — State Statistical Office of North Macedonia, PxWeb MCP.

Marine MCP — wraps marine-api.open-meteo.com (free, no auth)

Mastodon MCP — public Mastodon data via mastodon.social (no auth required)

Maryland MVA: registered vehicles and EV/plug-in hybrid counts by county and ZIP, monthly

MCP server for medicare-coverage

Merriam-Webster MCP — wraps the Merriam-Webster Collegiate Dictionary and

Meteors MCP — NASA fireball, near-Earth asteroid, and close approach data

MHW MCP — Monster Hunter World data (mhw-db.com, free, no auth)

MIME type lookup MCP.

Missouri license offices with hours, contract agent and closure dates, refreshed daily

Monday.com MCP — wraps the Monday.com GraphQL API (BYO API key)

MyChem.info MCP.

N2YO MCP — wraps the N2YO Satellite Tracking REST API (n2yo.com)

NASA EONET MCP — Earth Observatory Natural Event Tracker

NBA MCP — player, team, and game data via the BallDontLie API

NESO MCP — Great Britain electricity grid open data (api.neso.energy)

Mailchimp MCP Pack — manage audiences, campaigns, and members via Mailchimp Marketing API.

MapTiler MCP.

MAST (Mikulski Archive for Space Telescopes) — Hubble/JWST/Kepler/TESS

MBTA MCP — Boston real-time transit via the MBTA v3 API (api-v3.mbta.com)

Medical codes MCP.

mercury-number MCP — wraps StupidAPIs (requires X-API-Key)

Metals API MCP — wraps Metals-API (metals-api.com)

MFAPI.in MCP — Indian mutual-fund NAV (net asset value) data.

Microsoft To Do (Microsoft 365) MCP Pack

Monarch biomedical knowledge graph — diseases, phenotypes, genes, variants

MusicBrainz MCP — wraps MusicBrainz Web Service v2 (free, no auth)

MyVariant.info MCP.

NASA CMR (Common Metadata Repository) MCP.

Phonetic & Morse code MCP.

NCBI E-utilities — federated Entrez search/fetch (PubMed/Gene/Nucleotide/…)

Newton MCP — wraps the Newton math solver API (free, no auth)

mempool.space MCP — Bitcoin block explorer + mempool/fee stats

MetaboLights MCP — EBI's metabolomics study repository.

The Metropolitan Museum of Art Collection MCP.

Microsoft OneNote (Microsoft 365) MCP Pack

MLB Stats API MCP — official MLB statistics (keyless).

Moldova Government Procurement (MTender) MCP — keyless.

MyHealthfinder MCP — U.S. preventive-services & health-screening guidance

NASA MCP — wraps NASA Open APIs (api.nasa.gov)

Nationalize MCP — nationality prediction from first name (nationalize.io, free, no auth)

North Carolina DMV: live field-office wait times and driver license office directory

NewsData.io MCP — wraps the NewsData.io global news API (newsdata.io)

NIH RePORTER MCP — every NIH-funded research project (free, no auth)

NOAA Weather MCP — National Weather Service forecasts and alerts