NPS MCP Server

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MCP Server for National Park Services Data

This MCP Server provides an interface to retrieve National Park Services (NPS) data. It allows users to:

• Retrieve a list of national parks in a given U.S. state.
• Fetch detailed information about a specific national park.

It uses the National Park Service API to obtain the data.

Requirements

• Node.js (v18+ recommended)
• npm or yarn
• A valid NPS API key (available at https://www.nps.gov/subjects/developer/get-started.htm)
• Claude Desktop installed (for running MCP servers)

Setup

1. Clone this repository:

   git clone <repository-url>
   cd <repository-folder>
   

2. Install dependencies:

   npm install
   

3. Create a .env file in the root directory and add your NPS API key:

   API_KEY=your_nps_api_key_here
   

Running the Server

To start the MCP server:

npm run build
node ./build/server.js

Using Claude Desktop:

1. Add this MCP Server to the claude_desktop_config.json

{
    "mcpServers": {
        "nps": {
            "command": "node",
            "args": [
                "/<Path to Server>/build/index.js"
            ],
            "env": {
                "API_KEY": "Your NPS API Key"
            }
        }
    }
}

2. Start or Restart Claude Desktop
3. Ensure your MCP server is recognized and running by clicking on the tools icon at the bottom of Claude's chat window.
4. Use Claude's interface to query National Park Services data.

API Endpoints

Fetch List of National Parks by State

Tool Name: park-list

Parameters:

• stateCode (string) – Two-letter U.S. state code

Response Example:

[
  {
    "fullName": "Yellowstone National Park",
    "description": "First national park in the U.S.",
    "parkCode": "yell"
  }
]

Fetch Details of a National Park

Tool Name: park-details

Parameters:

• parkCode (string) – National Park lookup code

Response Example:

[
  {
    "fullName": "Yellowstone National Park",
    "description": "First national park in the U.S.",
    "states": "WY, MT, ID"
  }
]

Prompts

Retrieve Parks in a State

Prompt Name: parks-by-state

Parameters:

• stateCode (string)

Example:

What National Parks are in the state of CA?

Get Park Details

Prompt Name: details-for-park

Parameters:

• park (string)

Example:

Give me details about Yellowstone National Park.