AI integrations
Plugins, connectors, MCP servers, channels, and tools that extend AI agents.
Rdap
RDAP — Registration Data Access Protocol (domains, IPs, ASNs) via IANA bootstrap
Reactome
Reactome biological pathway database
Realestate
Real Estate Japan MCP — actual residential/commercial transaction prices and
Realestateapi
RealEstateAPI MCP — property search, detail, and skip-trace (realestateapi.com)
Rebrickable
LEGO catalog: sets, parts, minifigs, themes, colors via Rebrickable. Free key required.
recipes
Recipes MCP — wraps TheMealDB API (free tier, no auth)
Recreation Gov
Recreation.gov MCP — wraps the Recreation Information Database (RIDB) API v1
Reddit
Reddit MCP — public Reddit data via JSON endpoints (no auth required)
Regrid
Regrid MCP — wraps the Regrid Parcel API v2 (regrid.com)
Regulations Gov
Regulations.gov MCP — federal regulatory dockets, documents, public comments
Regulatory Catalysts
Regulatory Catalysts MCP — high-value biotech regulatory calendar events (keyless).
Remoteok
RemoteOK MCP — remote-work job board (tech-heavy), keyless.
Remotive
Remotive MCP — curated remote-only job board
Rentcast
Rentcast MCP — wraps Rentcast API (api.rentcast.io/v1)
Repology
Repology cross-distro package version aggregator
Retractions
Retractions / research-integrity MCP.
Revternal
Revternal MCP — wraps the Revternal Developer Intelligence API
Rfc Editor
RFC Editor MCP.
Rhea
Rhea MCP — expert-curated database of biochemical reactions.
Rick And Morty
Rick and Morty MCP — wraps the Rick and Morty API (free, no auth)
rickmorty
Rick and Morty MCP — wraps The Rick and Morty API (free, no auth)
Rijksmuseum
Rijksmuseum MCP.
Riksbank Se
Sveriges Riksbank (Sweden's central bank) SWEA v1 MCP. Keyless.
Riksdagen Se
Riksdagen (Swedish Parliament) open data MCP.