MCP Server Registry

USGS The National Map (TNM) Access API MCP

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

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

USGS Water Services (NWIS) MCP.

Which month NVC is scheduling immigrant visa interviews at each US consulate, with alerts.

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

US legal case search: court decisions and company litigation history

TypeScript SDK and MCP server for CourtListener API

US macroeconomic data from FRED: inflation, employment, growth, housing, rates, recession signals.

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

US mortgage calculator and amortization API with 50-state property tax, PMI, and affordability data.

US National Archives Catalog (NARA): search the federal government's permanent records…

US News Feeds MCP.

Next solar eclipse, eclipse times by place, Moon phases and seasons from the US Naval Observatory.

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

USPTO PTAB Trials MCP — wraps the USPTO Open Data Portal (ODP) PTAB Trials API

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

US state DMV data: vehicle and EV registrations, office locators, live wait times

Turn a trip planned in conversation into a private, editable map link you hand the person.

US green card priority date cutoffs from the Visa Bulletin, with a verdict for your date.

US visa interview wait times per embassy or consulate, with change alerts in days.

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

Current UTC timestamp for autonomous clients.

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