MCP Servers

Bart

Active

BART MCP — San Francisco Bay Area Rapid Transit real-time data (api.bart.gov)

Base64

Active

Encoding MCP — Base64 / Base64URL / Base32 / Hex.

Bcb Br

Active

Banco Central do Brasil (Brazil's central bank) MCP.

Bcrp Pe

Active

Banco Central de Reserva del Perú (BCRP) statistics series API MCP. Keyless.

Bea Gov

Active

BEA — Bureau of Economic Analysis MCP.

Bhagavad Gita

Active

Bhagavad Gita MCP — Hindu scripture / Vedic text.

uiule

Active

Bible MCP — wraps the Bible API (free, no auth)

Bioregistry

Active

Bioregistry — meta-registry of biomedical identifier prefixes

Biorxiv

Active

bioRxiv + medRxiv preprint server API

Biosamples

Active

EBI BioSamples MCP.

Biostudies

Active

EBI BioStudies MCP.

Bis

Active

BIS MCP — Bank for International Settlements statistics (no auth)

Bitfinex

Active

Bitfinex v2 public MCP.

Bitstamp

Active

Bitstamp keyless public market: ticker, orderbook, transactions, OHLC, trading pairs.

Blockchair

Active

Blockchair multi-chain block explorer (BTC, ETH, LTC, DOGE, XMR, +12 more)

Blockscout

Active

Blockscout MCP — multi-chain block-explorer aggregate

Blockstream Info

Active

Blockstream Esplora Bitcoin block explorer (mainnet + testnet)

Bls

Active

BLS MCP — Bureau of Labor Statistics public data API (v2)

uluesky

Active

Bluesky MCP — wraps the AT Protocol API

Bnm My

Active

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

Bnr Ro

Active

National Bank of Romania (Banca Naţională a României, BNR) FX reference rates MCP. Keyless.

Boardgames

Maintained

Boardgames MCP — wraps Board Game Atlas API (public demo client_id, free)

Boe Uk

Active

Bank of England Interactive Statistical Database (IADB) MCP.

Boi Il

Active

Bank of Israel public API MCP. Keyless.

Bookbrainz

Active

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

uooks

Active

Books MCP — wraps Open Library API (free, no auth)

uored

Active

Bored MCP — wraps Bored API (free, no auth)

Boston Calendar

Active

The Boston Calendar MCP.

Box

Active

Box (enterprise cloud storage) MCP Pack

Bps Id

Maintained

BPS — Badan Pusat Statistik (Statistics Indonesia) WebAPI MCP.