# mcp-server-usgs-nationalmap

> mcp-server-usgs-nationalmap — gsa-tts-mcp-server-usgs-nationalmap. Use this tool when you need to query hydrography data, such as streams, rivers, and lakes, to retrieve information about specific geographic locations or areas. It solves problems related to water resource management, environmental monitoring, and spatial analysis by providing access to USGS NHDPlus HR data via point or GeoJSON geometry intersection queries. The tool accepts geographic coordinates or GeoJSON geometries as input and returns relevant hydrography data as output.

Canonical page: https://skillsregistry.net/skills/gsa-tts-mcp-server-usgs-nationalmap  
JSON: https://api.skillsregistry.net/v1/skills/gsa-tts-mcp-server-usgs-nationalmap

## Description

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.

## Trust

- **Trust score (0–1):** 0.69
- **Verification tier:** scanned
- **Last scanned:** 2026-08-29

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** ai-ml
- **Updated:** 2026-08-29

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/abcw057tax)
- **Repository:** <https://github.com/GSA-TTS/mcp-server-usgs-nationalmap>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "gsa-tts-mcp-server-usgs-nationalmap"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/gsa-tts-mcp-server-usgs-nationalmap` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/gsa-tts-mcp-server-usgs-nationalmap/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt