"USPS" matching MCP servers:

Provides access to the USGS Quakes API within Claude Desktop, enabling users to retrieve earthquake data and details through natural language queries.

Combines National Weather Service alerts and forecasts with modern USGS water data, enabling weather and hydrology queries through MCP. No API key required, with persistent local caching.

Enables offline semantic-search retrieval from the USPS Employee and Labor Relations Manual and the 2024-2029 APWU-HRSSC National Agreement, each as a separate vector database, returning cited passages for labor-relations research.

Provides access to real-time water data from the USGS Water Services API, allowing users to fetch instantaneous measurements like stream flow, gage height, temperature, and water quality parameters from thousands of monitoring stations across the US.