MCP servers for Perplexity

European Parliament Open Data MCP.

FAA Delays MCP — live US airport operational status (FAA, free, no auth).

Geoapify MCP — wraps the Geoapify Location Platform (geoapify.com)

Have I Been Pwned MCP

iNaturalist MCP — citizen-science species observations (free, no auth for read-only)

Law Feeds MCP.

LibreTranslate MCP — open-source machine translation (BYO endpoint)

MAST MCP — Space Telescopes archive.

MedlinePlus MCP — NIH consumer health info

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

Nansen Smart Money MCP — on-chain smart-money labels & flows (nansen.ai)

NASS MCP — USDA National Agricultural Statistics Service (Quick Stats)

Narodowy Bank Polski (National Bank of Poland) Web API MCP. Keyless.

National Bank of Ukraine (NBU) public statistics MCP. Keyless.

Massive (formerly Polygon.io) MCP.

PyPI MCP — wraps the Python Package Index (PyPI) JSON API (free, no auth).

RDAP MCP — Registration Data Access Protocol via IANA bootstrap.

Reactome MCP — open biological pathway knowledge-base.

RECAP — the actual documents filed in US federal court cases.

Rentcast MCP — wraps Rentcast API (api.rentcast.io/v1)

Roblox MCP.