Unpaywall MCP runs on your own machine — the client starts it, so there is no endpoint to ping.
Open access links from Unpaywall. No key required.
The linked repository no longer exists on GitHub — it was deleted or made private.
Quiet is not dead — but it is worth knowing when it wakes up, or when someone else takes it over. We watch the repository and tell you either way.
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 unpaywall-mcp -- npx -y @mrfentmen/unpaywall-mcp
{
"mcpServers": {
"unpaywall-mcp": {
"args": [
"-y",
"@mrfentmen/unpaywall-mcp"
],
"command": "npx"
}
}
}
[mcp_servers.unpaywall-mcp]
command = "npx"
args = ["-y", "@mrfentmen/unpaywall-mcp"]
{
"mcpServers": {
"unpaywall-mcp": {
"args": [
"-y",
"@mrfentmen/unpaywall-mcp"
],
"command": "npx"
}
}
}
{
"mcpServers": {
"unpaywall-mcp": {
"args": [
"-y",
"@mrfentmen/unpaywall-mcp"
],
"command": "npx"
}
}
}
Open access journals from DOAJ. No key required.
Open research from PLOS. No key required.
French open data from data.gouv.fr. No key required.
Unpaywall MCP — open-access lookup for scholarly papers (free, no key)
Link previews from Microlink. No key required.
Browse open source fonts from Fontsource. No key required.
Flood forecasts from Open-Meteo Flood API. No key required.
Open textbooks and manuals from Wikibooks. No key required.
Answers built from our own checks of this server.