MCP servers

Keyless MCP server for MAST: Hubble, Webb, TESS observations by sky position.

Mastodon instance info and trends. No key required.

Prime checks, factors, GCD, and basic statistics computed locally. No network and no key.

MATLAB MCP: 20 real tools to read, check, lint, scaffold, build and run MATLAB code.

Multiply, invert and find the determinant of matrices with exact rational arithmetic - fully local.

Maven Central: artifact search, versions, group listings, class lookup, dependency snippets.

Search Java libraries and artifacts on Maven Central. No key required.

Generate, solve and render mazes deterministically from a seed - fully local.

Boston transit from MBTA. No key required.

Minecraft server status via mcstatus.io: online status, players, version.

Search the MDN web docs for HTML, CSS, and JavaScript. No key required.

Medical preprints from medRxiv. No key required.

Meme template reference and image generation from the official Imgflip and memegen APIs.

Keyless MCP server for memegen.link: meme templates, captioned image URL builder.

Bitcoin network status: recommended fees, mempool backlog, blocks, addresses, difficulty retargets.

Random cat facts from the free MeowFacts API.

Meson MCP: 20 real tools to read, check, lint, scaffold, build and run Meson code.

MET Norway (yr.no) forecast: current conditions, hourly and daily outlook, rain-only view — keyless.

Metal MCP: 20 real tools to read, check, lint, scaffold, build and run Metal code.

Metamath MCP: 20 real tools to read, check, lint, scaffold, build and run Metamath code.

Live aviation weather from NOAA: METAR observations, TAF forecasts and airport station records.

Tempo and timing math for musicians. No network and no key.

Crypto prices from MEXC. No key required.

Indian mutual fund NAVs from MFapi: search schemes, latest NAV and full NAV history.

Michelson MCP: 20 real tools to read, check, lint, scaffold, build and run Michelson code.