Twilio MCP Pack — send SMS, list messages, make calls via Twilio REST API.
Free
1,834 MCP servers
Works with ChatGPTBy pipeworx-io
Twitch MCP — wraps the Twitch Helix API (read-only)
Free
ULID MCP.
Free
Unicode character MCP.
Free
Unpaywall MCP — open-access lookup for scholarly papers (free, no key)
Free
Unsplash MCP.
Free
US ISO Grid MCP — real-time electricity generation, fuel mix, demand,
Free
US News Feeds MCP.
Free
User-Agent parser MCP.
Free
USGS Volcano MCP — Volcano Hazards Program HANS-public feed (no auth)
Free
UUID validation & generation MCP.
Free
VizieR MCP — CDS astronomical catalogue access.
Free
Weather MCP — wraps Open-Meteo API (free, no auth)
Free
Webflow MCP Pack
Free
Wger MCP — wraps wger Workout Manager REST API (free, no auth for read)
Free
WHO GHO MCP — World Health Organization Global Health Observatory (free, no auth)
Free
Wikidata MCP — wraps Wikidata API (wikidata.org/w/api.php)
Free
Wikipedia MCP — wraps Wikipedia REST API (free, no auth)
Free
Wikiquote MCP — sourced quotations
Free
Wynncraft MCP.
Free
Xero (Accounting) MCP Pack
Free