RCSB PDB MCP — experimentally determined macromolecular structures.
Free
56,439 MCP servers
Real Estate Japan MCP — actual residential/commercial transaction prices and
Free
RECAP — the actual documents filed in US federal court cases.
Free
Regrid MCP — wraps the Regrid Parcel API v2 (regrid.com)
Free
RemoteOK MCP — remote-work job board (tech-heavy), keyless.
Free
Remotive MCP — curated remote-only job board
Free
Rentcast MCP — wraps Rentcast API (api.rentcast.io/v1)
Free
Sveriges Riksbank (Sweden's central bank) SWEA v1 MCP. Keyless.
Free
Riksdagen (Swedish Parliament) open data MCP.
Free
Roblox MCP.
Free
RxNorm MCP — wraps the NLM RxNav REST API (free, no auth)
Free
Sanctions Screening MCP — screen people, companies, vessels, and aircraft
Free
South African Reserve Bank (SARB) Web API MCP. Keyless.
Free
Science Feeds MCP.
Free
ScrapingAnt MCP — wraps the ScrapingAnt web scraping API (scrapingant.com)
Free
scream-void MCP — wraps StupidAPIs (keyless — no credential needed)
Free
Scryfall MCP — Magic: The Gathering card database.
Free
SEC 8-K event triage — query pre-classified 8-K filings from the last
Free
SEC XBRL MCP — wraps SEC EDGAR XBRL API (data.sec.gov)
Free
Security Feeds MCP.
Free
US Senate Lobbying Disclosure (LDA) MCP.
Free