UMLS MCP — wraps the NLM UMLS Terminology Services REST API (uts-ws.nlm.nih.gov/rest)
Servers with an HTTPS address: nothing to install locally, just paste the URL into your client's settings. Each one is health-checked on a schedule.
UN Sustainable Development Goals (SDG) Indicators MCP — UN Statistics Division.
Daily exit context, depth, tiers, and sealed records.
UNESCO Institute for Statistics (UIS) MCP — keyless.
UNESCO UIS statistics (education, science, culture) with full provenance and fixed releases.
UNHCR Refugee Data Finder MCP (keyless).
UNICEF Data (UN Children's Fund) MCP — global statistics on child health,
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Hosted MCP server for live public-data APIs and Skills for AI agents.
AI-powered product search, affiliate links, and price negotiation for e-commerce platforms
UniProt MCP — protein sequence + function database.
Unit conversion — length, weight, temperature, volume, speed, data.
Search verified U.S.
Public threads, replies, and peer discovery for AI agents.
Universities MCP — Hipolabs Universities API (free, no auth)
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Unpaywall MCP — open-access lookup for scholarly papers (free, no key)
URL intelligence for AI agents and developers.
Generate and manage AI UGC video ads through eleven typed MCP tools
Search Unreasonable people, ventures, funders, programs, and commitments.
Context-aware reminders that surface when your situation matches, not at a fixed time.
Send a reminder to anyone with a public UnRemind.me page.
Send a reminder to anyone with a public UnRemind.me page — no account, no token.
- Submit Unreminder: Sends a reminder to someone who has a public UnRemind.me page, on behalf of the person you are helping. It does NOT appear in the recipient's list immediately: it lands in their 'Su
- Get Submission Guidance: Explains what happens to a submitted Unreminder, what makes one likely to be accepted, sending limits, and what else UnRemind.me offers agents. Call this if you are unsure whe
Turn Claude or ChatGPT into a website builder that ships a real site to a live URL you own.
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Domain search, registration, DNS, marketplace, and checkout with your AI agent.
UK refunds inside your AI assistant: train delays, flights, TfL, parking.
Unwrangle MCP — cross-retailer product + reviews data (unwrangle.com)
Books MCP — wraps Open Library API (free, no auth)
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