MCP Servers

Model Context Protocol servers you can connect an agent to — every one tested with live protocol probes. 13,643 indexed and tested.

• Unstoppable Domains

  Domain search, registration, DNS, marketplace, and checkout with your AI agent.

• Untap

  UK refunds inside your AI assistant: train delays, flights, TfL, parking. Made in London.

• Untappd MCP by UnClick

  Untappd beer and brewery search, details, and activity. By UnClick.

• unulu

  AI agent website builder. Create and publish link-in-bio sites via MCP or REST API.

• uooks

  Books MCP — wraps Open Library API (free, no auth)

• uored

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

• Uphealth Signal

  The adaptive health-messaging engine for apps and agents. Federally-sourced. Not medical advice.

• Uplink

  Automate a real, logged-in browser on your own device — no stored credentials, no bot detection.

• Upload-Post

  Social media MCP: publish, schedule & analyze posts on TikTok, Instagram, YouTube, LinkedIn & X

• Urantia Papers

  Free, open MCP server for The Urantia Papers. 197 papers, 14,500+ paragraphs, 4,400+ entities.

• ureweries

  Breweries MCP — Open Brewery DB API (free, no auth)

• Url

  URL parsing & building MCP.

• Urlhaus

  URLhaus MCP — wraps abuse.ch URLhaus malware URL database (free, no auth)

• URL Safety Validator MCP

  AI URL safety validator: SAFE/SUSPICIOUS/DANGEROUS verdict, trust score, threat intel.

• Urlscan Io

  urlscan.io URL scanner — search/result keyless, submit needs key

• URL Shortener API

  Shorten URLs with hash-based codes or custom aliases. x402 micropayment.

• Usajobs

  USAJOBS.gov MCP — US federal job postings

• Usaspending

  USAspending MCP — Federal spending data from USAspending.gov API

• USASpending.gov

  USASpending.gov federal contracts, subawards, recipients, agencies. 55 tools.

• US Building Permit Aggregator

  Pull recent building permits from 9 US cities in a unified schema from official open-data portals.

• US Business & Government Data API

  Search business entities, building permits, and government records across US states.

• US Census Bureau Data

  Query US Census Bureau data: demographics, economics, and housing statistics.

• Usda Fdc

  USDA Food Data Central MCP

• USDA Food Access

  SNAP participation, food insecurity indicators, and agricultural statistics

• US Drought Monitor

  Current drought conditions and severity across the United States

• USDV Capital — Your Real Estate CFO

  Real estate market intelligence, calculators, and capital advisory for US investors.

• uselessfacts

  Uselessfacts MCP — wraps uselessfacts.jsph.pl API (free, no auth)

• Useragent

  User-Agent parser MCP.

• UserGuiding

  Manage users, track events, companies, and knowledge base articles in UserGuiding.

• useVyre Context

  useVyre component context for AI agents — valid props, variants, anti-patterns, and design tokens.

• Usgs Earthquakes

  USGS Earthquake Catalog MCP (FDSNWS event API).

• USGS Earthquakes

  Real-time earthquake events from the US Geological Survey

• USGS Earthquakes MCP by UnClick

  Recent earthquakes worldwide and by region, with detail, from USGS. No API key. By UnClick.

• Usgs Volcano

  USGS Volcano MCP — Volcano Hazards Program HANS-public feed (no auth)

• usgswater

  USGS Water MCP — wraps USGS National Water Information System (NWIS) REST services (free, no auth)

• Usgs Water

  USGS Water Services (NWIS) MCP.

• USGS Water Monitoring

  Real-time water levels and flow rates from USGS stream gauges

• USGS Water Services MCP Server

  USGS Water Services streamflow, flood stages, and peak events via waterservices.usgs.gov

• Us Iso Grid

  US ISO Grid MCP — real-time electricity generation, fuel mix, demand,

• US Legal Case Search

  US legal case search: court decisions and company litigation history

• us.limner/limner

  AI visual generation agent: multi-pipeline rendering, prompt crafting, and image composition.

• US Macroeconomic Data

  US macroeconomic data: inflation, jobs, GDP, energy, and Treasury yields

• Us News Feeds

  US News Feeds MCP.

• us.propertyscoop/mcp

  US property data: powerlines, noise, crime, hazards, schools and more

• USPTO Patents

  US patent search, assignee portfolios, and citation graph via PatentsView.

• US Real Estate Data

  US real estate data: home prices, rents, and market trends

• US Safety Recalls

  NHTSA vehicle recalls and FDA food/drug recalls. 4 tools.

• Utah Open Data

  Utah state open data via Socrata SoQL — government, grants, health, demographics.

• Utilify

  AI agents compare and sign up for Texas utility plans: electricity, internet, gas, water, trash.

• Utility Matrix

  Free browser-based calculators and analyzers for cloud cost, DevOps, security, and data governance.

• Uuid

  UUID validation & generation MCP.

• Vaara

  EU AI Act runtime evidence proxy for MCP servers: gating, tamper-evident audit, time anchor

• Vaara MCP Server

  EU AI Act runtime evidence as a standalone MCP server: gating, tamper-evident audit

• Vaaya

  Pay-per-call agent superpowers: media/video gen, product demos, research, GTM, scraping, compute.

• VA Healthcare Facilities

  VA facility locations, services, wait times, and satisfaction scores

• Valid

  Conversational access to advertising performance data, creative analysis, and campaign insights

• Valorant

  VALORANT reference data MCP (valorant-api.com).

• Val Town

  Deploy serverless TypeScript on Val Town: HTTP vals, cron, SQLite, email, OAuth.

• Valuein — SEC EDGAR Fundamentals & Smart-Money Data

  Point-in-time, survivorship-free SEC EDGAR fundamentals + smart-money signals for AI agents.

• Va Museum

  Victoria and Albert Museum (V&A) Collections MCP.