Recently added agent tools.

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

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

MITRE Common Weakness Enumeration (CWE) API

MITRE ATT&CK adversary TTPs (STIX bundles)

MIME type lookup MCP.

Microsoft To Do (Microsoft 365) MCP Pack

Microsoft OneNote (Microsoft 365) MCP Pack

Microlink MCP — wraps Microlink API (free tier, no auth required)

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

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

The Metropolitan Museum of Art Collection MCP.

Meteostat MCP — historical weather from 11k+ stations (no auth)

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

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

MetaboLights MCP — EBI's metabolomics study repository.

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

NLM MeSH (Medical Subject Headings) MCP.

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

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

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

MedlinePlus MCP — NIH consumer health info

MCP server for medicare-coverage

Medical codes MCP.

Medicaid drug utilization by NDC, managed-care enrollment and state enrollment operations from CMS

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

MDN Search MCP

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

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

Maven Central MCP — Java/JVM artifact registry

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

Materials MCP — computed (DFT) materials structures & thermodynamic properties.

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

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

market-spread MCP — cross-venue prediction-market landscape scanner.

Market Recap MCP — a one-call 'what happened in markets' snapshot.

Markdown utilities MCP.

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

MapTiler MCP.

Mapbox geocode, directions, matrix, isochrones, map-matching, tilequery, static URL.

Manifold Markets MCP.

MalwareBazaar MCP — abuse.ch malware sample database (free, key required)

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

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

magic-8-ball MCP — wraps StupidAPIs (requires X-API-Key)

Madrid Events MCP.

macvendors.com MCP — MAC address (OUI) → hardware manufacturer lookup.

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

macro-snapshot MCP — the state of the economy in one call.

Song lyrics lookup via lyrics.ovh

Luchtmeetnet MCP — official Netherlands air quality (RIVM Luchtmeetnet, api.luchtmeetnet.nl)