"USPS" matching MCP servers:

• USPS Address Validation and

  bailur

  F

  license

  -

  quality

  D

  maintenance

  Enables AI assistants to validate and standardize US addresses using the official USPS Address Validation API with secure OAuth2 authentication.

  Last updated 2025-10-30

• usgs-earthquakes

  pipeworx-io

  A

  license

  -

  quality

  C

  maintenance

  Provides access to the USGS Earthquake Catalog for querying earthquake events via the FDSNWS API, enabling natural language questions about earthquake data.

  Last updated 2026-06-10

  12

  MIT

• mcp-usgs-volcano

  pipeworx-io

  A

  license

  -

  quality

  C

  maintenance

  USGS Volcano MCP server providing access to volcano hazards data from the HANS-public feed without authentication.

  Last updated 2026-07-01

  11

  MIT

• USGS Water MCP

  pgiffy

  F

  license

  -

  quality

  D

  maintenance

  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.

  Last updated 2025-07-16

  3