Recently added agent tools.

yesterdays-number MCP — wraps StupidAPIs (requires X-API-Key)

Yelp MCP — wraps the Yelp Fusion API (api.yelp.com/v3)

yc-rejection MCP — wraps StupidAPIs (requires X-API-Key)

XKCD MCP — wraps xkcd.com JSON API (free, no auth)

Xero (Accounting) MCP Pack

Wynncraft MMO player + guild + leaderboard + item DB lookups.

WoRMS (World Register of Marine Species) MCP — keyless.

World Bank Projects & Operations MCP.

World Bank Procurement Notices MCP — global development tenders (keyless).

World Bank Poverty and Inequality Platform (PIP) MCP.

World Bank Climate Change Knowledge Portal (CCKP) MCP.

World Bank MCP — wraps the World Bank Data API v2 (free, no auth)

World News Feeds MCP.

Words MCP — wraps Datamuse API (free, no auth required)

Wordnik English dictionary: definitions, examples, related words, WotD.

WooCommerce MCP Pack — wraps the WooCommerce REST API v3

Wolfram Alpha MCP — computational, factual, and quantitative queries

Washington Metro real-time + static rail/bus data. Free key required.

Wiktionary MCP — multilingual dictionary via Wikimedia REST + MediaWiki Action API

Wikiviews MCP — wraps the Wikimedia Pageviews API (free, no auth)

Wikiquote MCP — sourced quotations

Wikipedia MCP — wraps Wikipedia REST API (free, no auth)

WikiPathways MCP — open community pathway database.

Wikimedia REST API v1 MCP.

Wikifeed MCP — wraps Wikimedia Feed API (free, no auth)

Wikidata SPARQL MCP — Wikidata Query Service

Wikidata MCP — wraps Wikidata API (wikidata.org/w/api.php)

Wisconsin DMV service centers with per-office services, tests and payment methods

WHO GHO MCP — World Health Organization Global Health Observatory (free, no auth)

WhiskyHunter MCP.

what3words MCP — 3-word grid geocoding

Wger MCP — wraps wger Workout Manager REST API (free, no auth for read)

Webflow MCP Pack

WeatherAPI.com MCP — wraps WeatherAPI.com (api.weatherapi.com)

Environment and Climate Change Canada (ECCC) GeoMet MCP.

Real-time weather conditions and multi-day forecasts via Open-Meteo — free, no API key required

Internet Archive Wayback Machine MCP.

Streaming availability across 200+ services: titles, sources, releases.

Warframe MCP (WarframeStat API).

WAQI MCP — World Air Quality Index (free key)

Walk Score MCP — wraps the Walk Score API (walkscore.com)

WakaTime MCP.

Washington DMV/DOL: VIN-level EV population and monthly vehicle registration transactions

W3C MCP — web-standards lookup over w3c/browser-specs (GitHub, CF-reachable).

CDS VizieR — astronomical catalogue server (tens of thousands of catalogues)

Visual Crossing Weather MCP — wraps the Visual Crossing Weather Timeline API

Visa Requirements MCP — passport visa rules for any nationality → destination pair

VirusTotal MCP — file / URL / domain / IP reputation (BYO key)

Vimeo public video/user/channel/category lookups. Free personal token.

EU VIES VAT-number validation MCP (European Commission).