unpaywall
Open-access availability for 120M+ scholarly articles via the Unpaywall API
Install
PyPIstdio
uvx unpaywall-mcp-server Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-github-smaboundless-unpaywall": {
"command": "uvx",
"args": [
"unpaywall-mcp-server"
]
}
}
} Source: official MCP Registry record · registry name io.github.SMABoundless/unpaywall · published 2026-07-04 · updated 2026-07-04. Not an endorsement; review the code before connecting it to anything sensitive.