About
A MCP server for the Smithsonian API
README
A Model Context Protocol (MCP) server that provides access to the Smithsonian Institution's Open Access API. Search and explore millions of items from the Smithsonian's collections including artifacts, artworks, specimens, photographs, and more.
Features
- Search Collections: Search across millions of items from 19 Smithsonian museums and research centers
- Get Item Details: Retrieve comprehensive metadata about specific items
- Browse Categories: Discover available terms and filters for refining searches
- Online Media: Filter for items with images and other online media
Installation
Prerequisites
- Python 3.10 or higher
- A Smithsonian API key (free) - Get one at https://api.data.gov/signup/
Setup
- Clone the repository:
git clone https://github.com/AlexLin1234/smithsonian-mcp-server.git
cd smithsonian-mcp-server
- Install the package:
pip install -e .
- Set up your API key:
cp .env.example .env
# Edit .env and add your API key
Or set the environment variable directly:
export SMITHSONIAN_API_KEY=your_api_key_here
Configuration for Claude Desktop
Add this to your Claude Desktop configuration file:
MacOS
Location: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows
Location: %APPDATA%\Claude\claude_desktop_config.json
{
"mcpServers": {
"smithsonian": {
"command": "python",
"args": [
"-m",
"smithsonian_mcp_server.server"
],
"env": {
"SMITHSONIAN_API_KEY": "api-key-here"
}
}
}
}
Alternatively, if you installed it in a virtual environment:
{
"mcpServers": {
"smithsonian": {
"command": "/path/to/venv/bin/python",
"args": [
"-m",
"smithsonian_mcp_server.server"
],
"env": {
"SMITHSONIAN_API_KEY": "your_api_key_here"
}
}
}
}
Available Tools
search_collection
Search the Smithsonian collections with flexible query options.
Parameters:
query(required): Search query string (supports keywords, phrases in quotes, AND/OR operators)rows(optional): Number of results to return (default: 10, max: 1000)start(optional): Starting offset for pagination (default: 0)online_media_only(optional): Only return items with online media/images (default: false)
Example:
Search for "space shuttle" items with images
get_item
Get detailed information about a specific item.
Parameters:
item_id(required): The Smithsonian item ID (obtained from search results)
Example:
Get details for item "edanmdm-NASM_A19600093000"
get_category_terms
Get available terms for a specific category or facet.
Parameters:
category(required): Category name (e.g., 'online_media_type', 'data_source', 'topic', 'place')starts_with(optional): Filter terms that start with this string
Example:
Get available topics starting with "Art"
Example Usage
Once configured in Claude Desktop, you can ask Claude questions like:
- "Search the Smithsonian for information about the Wright Brothers"
- "Find items related to ancient Egypt with images"
- "Show me artifacts from the Air and Space Museum"
- "Get details about item edanmdm-NASM_A19600093000"
- "What data sources are available in the Smithsonian API?"
API Information
This server uses the Smithsonian Open Access API v1.0:
- Base URL:
https://api.si.edu/openaccess/api/v1.0 - Documentation: https://www.si.edu/openaccess/devtools
- Collections: 2.8+ million open access items
- Coverage: 19 Smithsonian museums, research centers, and libraries
Development
Install Development Dependencies
pip install -e ".[dev]"
Run Tests
pytest
Code Formatting
black src/
ruff check src/
License
MIT License - See LICENSE file for details
Contributing
Contributions are welcome! Please feel free to submit a Pull Request.
Support
For issues related to:
- This MCP server: Open an issue on GitHub
- The Smithsonian API: Visit https://www.si.edu/openaccess/faq
- Claude Desktop: Visit https://docs.claude.com
Installing Smithsonian
This server has no published package — it is built from source. Open the repository and follow its README.
▸ github.com/AlexLin1234/smithsonian-mcp-serverFAQ
Is Smithsonian MCP free?
Yes, Smithsonian MCP is free — one-click install via Unyly at no cost.
Does Smithsonian need an API key?
No, Smithsonian runs without API keys or environment variables.
Is Smithsonian hosted or self-hosted?
Self-hosted: the server runs locally on your machine via the install command above.
How do I install Smithsonian in Claude Desktop, Claude Code or Cursor?
Open Smithsonian on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.
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