LibraryAPI runs on your own machine — the client starts it, so there is no endpoint to ping. 134 installs a week from pypi. Last commit 4 Oct 2026.
US public libraries and branches near any address, with collections from the IMLS survey
Today is the operative word: we check LibraryAPI every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add libraryapi-mcp -e 'LIBRARYAPI_KEY=<LIBRARYAPI_KEY>' -- uvx libraryapi-mcp
{
"mcpServers": {
"libraryapi-mcp": {
"command": "uvx",
"args": [
"libraryapi-mcp"
],
"env": {
"LIBRARYAPI_KEY": "<LIBRARYAPI_KEY>"
}
}
}
}
[mcp_servers.libraryapi-mcp]
command = "uvx"
args = ["libraryapi-mcp"]
env = { LIBRARYAPI_KEY = "<LIBRARYAPI_KEY>" }
{
"mcpServers": {
"libraryapi-mcp": {
"command": "uvx",
"args": [
"libraryapi-mcp"
],
"env": {
"LIBRARYAPI_KEY": "<LIBRARYAPI_KEY>"
}
}
}
}
{
"servers": {
"libraryapi-mcp": {
"type": "stdio",
"command": "uvx",
"args": [
"libraryapi-mcp"
],
"env": {
"LIBRARYAPI_KEY": "<LIBRARYAPI_KEY>"
}
}
}
}
Put your own value in place of
<LIBRARYAPI_KEY> (API key from https://libraryapi.dev (free tier: 500 requests/month)).
The author’s registry entry marks it as required.
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Agent integration with the Northwestern University Libraries Digital Collections API
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VPN, proxy, Tor, hosting and CDN detection for any IP address, from the VPNDetection API.
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DPLA API: search millions of library items and collections.
Answers built from our own checks of this server.