CiteGuard runs on your own machine — the client starts it, so there is no endpoint to ping. 51 installs a week from pypi. Last commit 16 Jul 2026.
Open watchdog for retracted & problematic citations: Retraction Watch, OpenAlex, Crossref.
Today is the operative word: we check CiteGuard 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 retractguard -- uvx retractguard
{
"mcpServers": {
"retractguard": {
"args": [
"retractguard"
],
"command": "uvx"
}
}
}
[mcp_servers.retractguard]
command = "uvx"
args = ["retractguard"]
{
"mcpServers": {
"retractguard": {
"args": [
"retractguard"
],
"command": "uvx"
}
}
}
{
"mcpServers": {
"retractguard": {
"args": [
"retractguard"
],
"command": "uvx"
}
}
}
This one needs environment variables set before it will start:
OPENALEX_API_KEY (OpenAlex API key (required for live OpenAlex lookups and watch_institution).), CITEGUARD_MAILTO (Contact email for the OpenAlex/Crossref polite pool.).
The author declared them in the registry entry; get the values from the project itself.
Scholarly search: OpenAlex, Crossref, arXiv, OpenCitations and PubMed in one endpoint.
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Answers built from our own checks of this server.