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LibraryAPI MCP server

by libraryapi.dev·dev.libraryapi/libraryapi-mcp·v0.1.3
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US public libraries and branches near any address, with collections from the IMLS survey

B78/100grade B
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Safety scan
B78/100

full report

Adoption
Growing

0 stars32 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

LibraryAPI tools (6)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • find_libraries_near_address

    Find the public library branches nearest to a US street address, sorted by distance.

  • find_libraries_near_coordinates

    Find the public library branches nearest to a latitude/longitude, sorted by distance. Use this when you already have coordinates; it skips geocoding and is faster than find_libraries_near_address.

  • get_library

    Get the full profile for a library system by its FSCS ID, including collections, staffing, visits, programs, and finances.

  • get_outlet

    Get the full record for one library branch (outlet) by its ID, including address, phone, coordinates, and service details.

  • get_state_summary

    Get statewide public library totals — systems, branch outlets, collections, and usage — for one state.

  • search_libraries

    Search public library *systems* by name, state, and/or city. A system is the administrative entity (e.g. "Chicago Public Library") that operates one or more branch outlets. Provide at least one of name, state, or city.

Public scan report

scanner v0.1.10 · 2026-11-03 · same rubric, same numbers if you re-run it

no findings
  • Code scan4 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 30 days ago15/15
  • Maintainer identitynamespace and repository owner differ; website matches verified namespace5/10
Overall 78/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How LibraryAPI compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
78/100
higher than 57% of 48,255 servers
Tools
6
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
32
more than 20% of 12,191 servers with a package

What its tools let an agent do: 6 read

Release history: 2 versions in the registry since 2026-08-16, latest 2026-10-04, typically one every 49 days.

Install LibraryAPI in Claude Code, Cursor or VS Code

claude mcp add libraryapi-mcp -- uvx libraryapi-mcp
Add to Cursor

What the publisher says

From the LibraryAPI repository's README, as published. We do not edit it. Read it on GitHub

libraryapi-mcp

<!-- Links this package to its entry in the official MCP registry --> 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/claudedesktopconfig.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

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

Nothing above is checked by us. What we check is on the safety report.

LibraryAPI: common questions

Is LibraryAPI MCP server safe?
Mostly: it is graded B (78/100). Read the LibraryAPI safety report
How do I install LibraryAPI?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does LibraryAPI need an API key?
Yes. The registry entry asks for LIBRARYAPI_KEY.
Is LibraryAPI maintained?
The last commit was 31 days ago (2026-10-04). The latest release is v0.1.3.
How does LibraryAPI compare with other MCP servers?
safety score 78/100 (higher than 57% of 48,255 servers); tools 6 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.