Recently added agent tools.

OpenCellID MCP — cell tower geolocation database (free with key)

OpenCage forward + reverse geocoding (free key, 2500/day)

Open Beauty Facts MCP — Open Beauty Facts API (free, no auth, keyless).

OpenAQ MCP — wraps OpenAQ v2 API (free, no auth required)

OpenAlex MCP — wraps the OpenAlex API (scholarly works, free, no auth)

OpenAIRE MCP — EU research outputs (publications, datasets, software, projects)

OpenAgenda MCP.

OpenSanctions MCP — Global sanctions and PEP data (free, no auth required)

Open Notify MCP — ISS position + people in space

Open-Meteo MCP — weather forecast + historical reanalysis + sister APIs

Open Library MCP — Internet Archive's open book metadata

OpenFEC MCP — Federal Election Commission campaign finance data

Open-Elevation MCP — terrain elevation by lat/lon (no auth)

OpenCorporates MCP — Global company registry data (free, no auth, rate limited)

Open Contracting MCP — international public procurement: government tenders

Internet censorship and website reachability: OONI network measurements, keyless

On This Day MCP — wraps byabbe.se/on-this-day (free, no auth)

UK Office for National Statistics dataset catalogue + Beta JSON API

OneDrive (Microsoft Graph) MCP Pack

OMDb MCP — IMDB-derived movie / TV / episode data (BYO key)

OKX v5 public MCP.

OEIS (On-Line Encyclopedia of Integer Sequences) MCP.

OECD MCP — Organisation for Economic Co-operation and Development data

Odoo MCP Pack — ERP/CRM via Odoo's external JSON-RPC API.

The Odds API MCP — sportsbook odds across 70+ books, 30+ leagues

Octopus Energy public API MCP — UK energy tariffs & products.

OCR.space MCP — wraps the OCR.space API (ocr.space) for image/PDF → text OCR.

OBIS (Ocean Biodiversity Information System) MCP.

NYT MCP — wraps The New York Times Developer APIs (developer.nytimes.com)

NYPL Digital Collections MCP.

NYC Parks Events MCP.

New York DMV: record-level vehicle and EV registrations, offices, road tests, driving schools

NWS MCP — US National Weather Service (no auth)

NVD MCP — wraps the NIST National Vulnerability Database API (free, no auth)

Nutrition MCP — wraps Open Food Facts API (free, no auth)

NumbersAPI MCP — wraps numbersapi.com (free, no auth)

Number utilities MCP.

NuGet MCP — .NET package registry

Bulgarian National Statistical Institute (НСИ / NSI) — Open Data API.

NSF Awards MCP — National Science Foundation award database (free, no auth)

NREL MCP — wraps the US National Renewable Energy Laboratory developer API

NPS MCP — US National Park Service (free key, generous limits)

npm MCP — wraps the npm Registry API (free, no auth)

CMS NPI Registry MCP

Notion MCP Pack

NosDéputés.fr MCP — civic-tech mirror of the French Assemblée nationale

Norges Bank (Norway's central bank) MCP — exchange rates, interest rates,

Nominatim MCP — wraps OpenStreetMap Nominatim geocoding API (free, no auth)

Nobel MCP — wraps the Nobel Prize API v2 (free, no auth)

NOAA Tides & Currents — observations, predictions, datums, station metadata