Recently added agent tools.

RubyGems MCP — wraps the RubyGems.org public API (free, no auth)

rss2json: convert any RSS/Atom feed to JSON. Keyless basic, optional API key for count.

Research Organization Registry (ROR) — canonical org IDs

Roblox public profile + friends + badges + games + groups lookups.

RIPE Stat MCP — IP/ASN/BGP data

Riot Games API MCP.

Riksdagen (Swedish Parliament) open data MCP.

Sveriges Riksbank (Sweden's central bank) SWEA v1 MCP. Keyless.

Rijksmuseum MCP.

Rick and Morty MCP — wraps The Rick and Morty API (free, no auth)

Rick and Morty MCP — wraps the Rick and Morty API (free, no auth)

Rhea MCP — expert-curated database of biochemical reactions.

RFC Editor MCP.

Revternal MCP — wraps the Revternal Developer Intelligence API

Retractions / research-integrity MCP.

Repology cross-distro package version aggregator

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

Remotive MCP — curated remote-only job board

RemoteOK MCP — remote-work job board (tech-heavy), keyless.

Regulatory Catalysts MCP — high-value biotech regulatory calendar events (keyless).

Regulations.gov MCP — federal regulatory dockets, documents, public comments

Regrid MCP — wraps the Regrid Parcel API v2 (regrid.com)

Reddit MCP — public Reddit data via JSON endpoints (no auth required)

Recreation.gov MCP — wraps the Recreation Information Database (RIDB) API v1

Recipes MCP — wraps TheMealDB API (free tier, no auth)

LEGO catalog: sets, parts, minifigs, themes, colors via Rebrickable. Free key required.

RealEstateAPI MCP — property search, detail, and skip-trace (realestateapi.com)

Real Estate Japan MCP — actual residential/commercial transaction prices and

Reactome biological pathway database

RDAP — Registration Data Access Protocol (domains, IPs, ASNs) via IANA bootstrap

RCSB PDB MCP — experimentally determined macromolecular structures.

RBA MCP — Reserve Bank of Australia statistics (free, no auth).

RAWG MCP — wraps the RAWG video games database API (rawg.io)

Random User MCP — wraps randomuser.me (free, no auth)

Radio MCP — wraps Radio Browser API (free, no auth)

Quran MCP — Al-Quran Cloud API.

Quotes MCP — citation-grade quote API for public-domain authors.

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

Quiver Quantitative MCP — alternative-data on public companies (quiverquant.com)

QuickGO (EBI) MCP — Gene Ontology browser.

QuickBooks MCP Pack — query customers, invoices, and accounts via QuickBooks Online API.

QR Code MCP — wraps api.qrserver.com (free, no auth)

PyPIStats.org — PyPI download statistics

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

PVGIS MCP — EU Joint Research Centre PV system modeler

Pulsedive MCP — threat-intelligence IOC enrichment (pulsedive.com)

PubMed MCP — wraps the NCBI E-utilities API (biomedical literature, free, no auth)

Mozilla Public Suffix List — eTLD parser (cached 24h)

PubChem MCP — NIH chemistry compound database (no auth)

pub.dev MCP — package registry for Dart & Flutter.