MCP servers for Claude Desktop

Art Institute of Chicago MCP — wraps the ARTIC public API (free, no auth)

arXiv MCP — preprint server search (free, no auth)

Ashby MCP Pack — wraps the Ashby ATS API

ATTOM MCP — Premium real estate data from ATTOM Data Solutions

Australia Government Procurement MCP — AusTender OCDS (keyless).

Aviation Weather MCP — METAR, TAF, PIREPs, AIRMET/SIGMET, station info

Aviationstack MCP — global flight + airport + airline data

Finland Open Data (www.avoindata.fi/data/en) CKAN MCP.

BambooHR MCP Pack — wraps the BambooHR API v1

Bank of Canada Valet API MCP. Keyless. Dates are YYYY-MM-DD.

Banxico MCP — Banco de México (Mexico's central bank) via the SIE API.

Banco Central do Brasil (Brazil's central bank) MCP. Keyless public APIs: SGS time series + Olinda…

Central Reserve Bank of Peru (BCRP) statistics series API MCP. Keyless.

Bioregistry MCP.

EBI BioStudies MCP.

Blockchair MCP — multi-chain block explorer (free tier, keyless).

Blockstream.info Esplora MCP — Bitcoin block/tx/address explorer.

Bank Negara Malaysia (BNM) Open API MCP. Keyless.

BookBrainz MCP — open book metadata (MetaBrainz / sister of MusicBrainz)

BPstat — Banco de Portugal statistics API (Portuguese central bank). Keyless.

Deutsche Bundesbank (Germany's central bank) statistics MCP.