Server data from the Official MCP Registry
US public libraries and branches near any address, with collections from the IMLS survey
About
US public libraries and branches near any address, with collections from the IMLS survey
Security Report
This MCP server is well-structured with appropriate authentication, proper input validation, and permissions that align with its purpose. The server requires an API key for all operations, uses environment variables securely, and makes only expected network calls to the libraryapi.dev service. Minor code quality improvements around error handling and state parameter validation are recommended, but do not present security risks. Supply chain analysis found 5 known vulnerabilities in dependencies (0 critical, 5 high severity). Package verification found 1 issue.
4 files analyzed · 10 issues found
Security scores are indicators to help you make informed decisions, not guarantees. Always review permissions before connecting any MCP server.
Permissions Required
This plugin requests these system permissions. Most are normal for its category.
What You'll Need
Set these up before or after installing:
Environment variable: LIBRARYAPI_KEY
How to Install
Add this to your MCP configuration file:
{
"mcpServers": {
"dev-libraryapi-libraryapi-mcp": {
"env": {
"LIBRARYAPI_KEY": "your-libraryapi-key-here"
},
"args": [
"libraryapi-mcp"
],
"command": "uvx"
}
}
}Documentation
View on GitHubFrom the project's GitHub README.
libraryapi-mcp
mcp-name: dev.libraryapi/libraryapi-mcp
MCP server for libraryapi.dev — US public library data for AI agents.
Expose library lookups as tools to any MCP-compatible AI assistant (Claude, Cursor, Copilot, etc.). Built on the federal IMLS Public Libraries Survey — public domain, commercially usable.
Installation
pip install libraryapi-mcp
Or run directly with uvx (no install needed):
uvx libraryapi-mcp
Configuration
Claude Desktop
Add to ~/Library/Application Support/Claude/claude_desktop_config.json:
{
"mcpServers": {
"libraryapi": {
"command": "uvx",
"args": ["libraryapi-mcp"],
"env": {
"LIBRARYAPI_KEY": "your_api_key_here"
}
}
}
}
Cursor / other MCP clients
{
"mcpServers": {
"libraryapi": {
"command": "uvx",
"args": ["libraryapi-mcp"],
"env": {
"LIBRARYAPI_KEY": "your_api_key_here"
}
}
}
}
Get a free API key at libraryapi.dev — 500 requests/month, no credit card.
Available Tools
| Tool | Description |
|---|---|
find_libraries_near_address | Find the nearest branches to a US street address |
find_libraries_near_coordinates | Same, but from a lat/lng (skips geocoding) |
get_outlet | Full record for one branch outlet by ID |
search_libraries | Search library systems by name, state, or city |
get_library | Full system profile by FSCS ID |
get_state_summary | Statewide library totals |
Systems vs. outlets: a system is the administrative entity (e.g. "Chicago Public Library"); an outlet is an individual branch. Proximity searches return outlets.
Examples
Once configured, you can ask your AI assistant:
"What are the three closest public libraries to 350 Fifth Ave, New York?"
"How many public library branches are there in Vermont, and what's the total collection size?"
"I'm building a civic app — give me every library branch within 5 miles of downtown Chicago as JSON."
Data note
The IMLS survey covers locations, collections, staffing, visits, programs, and finances. It reports hours-open totals (annual, and per week) but not daily opening times — so this API can tell you a branch is open ~45 hours/week, not that it opens at 9am.
Links
- Website: libraryapi.dev
- PyPI: pypi.org/project/libraryapi-mcp
- REST API docs: libraryapi.dev/docs
License
MIT
Reviews
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