"CTS" matching MCP servers:

Provides access to US import tariff rates via the USITC Harmonized Tariff Schedule, enabling natural language queries for tariff data.

Enables querying Statistics Netherlands (CBS) data, including metadata for tables like '37296eng', through an MCP interface.

Enables querying electric vehicle registration data in Connecticut, aggregated by town, make, model, model year, or body type.

Enables searching the CMS Open Payments dataset for physician, company, product, and research payments using structured filters, with annual dataset discovery through the official DKAN API.

Enables AI agents to discover, inspect, and query CMS open datasets covering Medicare/Medicaid provider, spending, enrollment, drug pricing, quality, hospital, nursing home, and ACO data. Supports keyword search, metadata lookup, paged row retrieval, full-text search, and exact-match column filters.

An MCP server that lets LLMs query USGS NHDPlus HR hydrography data—streams, rivers, lakes, stream gages, and watershed boundaries—via point or GeoJSON geometry intersection queries.

An MCP server that exposes the U.S. Energy Information Administration (EIA) Open Data API, enabling LLMs to browse and query energy data across 17 datasets with generic, composable tools.

An MCP server that wraps the U.S. Army Corps of Engineers (USACE) Institute for Water Resources (IWR) River Mile Marker ArcGIS Feature Service, allowing LLMs to locate river mile markers on navigable U.S. rivers and answer 'what river mile am I at?' questions.

An MCP server that gives you access to Austria's official legal database, the Rechtsinformationssystem (RIS).

MCP server that directly queries the Korean National Tax Service tax law information system for tax law interpretations, precedents, and guidance. It supports exact document-number lookup, keyword search, and structured retrieval of ruling details and legal grounds.

Enables users to search the Statistics Netherlands table catalog, inspect dimensions and measures, and query statistical datasets with filters and pagination.

Enables querying a local copy of the EU ETS Union Registry to search installations by name, country or activity, trace any installation's yearly verified emissions, free allocation and surrendered units, aggregate company installations by LEI, and rank top emitters, each answer carrying the snapshot date and attribution.

Enables MCP clients to validate Korean business registration numbers and check their current registration status through public API lookups. It supports single and batch verification queries.

Enables querying and retrieving details of U.S. BLM geothermal leases from the MLRS database, including search and single-lease lookup.

Enables AI assistants to search, query, and analyze CMS healthcare datasets from data.cms.gov, supporting features like dataset discovery, filtering, and CSV download for large-scale analysis.

A Model Context Protocol server for the CBS Open Data OData API, enabling AI assistants to query, filter, and explore CBS statistics.

Provides seamless integration with NASA's public APIs, enabling AI assistants to access space and astronomy data including APOD, Mars rover photos, Near-Earth Objects, space weather events, and Earth imagery.

Enables searching and retrieving tax law data from the Korean National Tax Service database, including interpretations, rulings, forms, publications, and site menus via MCP tools.

An MCP server for interacting with the USAspending.gov API, supporting local use with Claude Desktop and cloud deployment with login.gov authentication.

Enables searching and retrieving EU/EEA clinical trial records from the Clinical Trials Information System, including trial status, sponsors, medicines, conditions, and authorisations.