MCP servers for Grok Build

legislation.gov.uk MCP — the UK's official legislation database.

Lob MCP — US address verification, bulk verification, and autocompletion

Lobsters MCP — stories and discussions from lobste.rs

Lorem MCP — placeholder text, generated locally.

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

magic-8-ball MCP — wraps StupidAPIs (keyless — no credential needed)

Manifold Markets MCP.

Mapbox MCP.

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

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

MAST MCP — Space Telescopes archive.

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

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

Medical codes MCP.

MedlinePlus MCP — NIH consumer health info

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

mercury-number MCP — wraps StupidAPIs (keyless — no credential needed)

NLM MeSH (Medical Subject Headings) MCP.

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

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

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