Summary
Connects to Unpaywall's open-access database to look up scholarly papers without needing an API key. Part of the Pipeworx gateway system, which routes requests across 673+ data sources. You can call tools directly through standard MCP or use the ask_pipeworx wrapper to query in plain English and let the gateway handle tool selection and argument mapping. Runs over streamable HTTP, so no local process needed. Useful when you're researching academic papers and want to find legal free versions instead of hitting paywalls. The source doesn't list specific tools, but Unpaywall typically handles DOI lookups and metadata retrieval for open-access articles.
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mcp-unpaywall
Unpaywall MCP — open-access lookup for scholarly papers (free, no key)
Part of Pipeworx — an MCP gateway connecting AI agents to 673+ live data sources.
Tools
| Tool | Description |
|---|
Quick Start
Add to your MCP client (Claude Desktop, Cursor, Windsurf, etc.):
{
"mcpServers": {
"unpaywall": {
"url": "https://gateway.pipeworx.io/unpaywall/mcp"
}
}
}
Or connect to the full Pipeworx gateway for access to all 673+ data sources:
{
"mcpServers": {
"pipeworx": {
"url": "https://gateway.pipeworx.io/mcp"
}
}
}
Using with ask_pipeworx
Instead of calling tools directly, you can ask questions in plain English:
ask_pipeworx({ question: "your question about Unpaywall data" })
The gateway picks the right tool and fills the arguments automatically.
More
License
MIT
Featured
Keep your Mac awake while Claude Code and 40+ AI agents run. Sleeps when they're idle.
One time payment $9 →Integrate web data into your AI product. One API to scrape website & brand data.
Get API Key Now →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →On Capafy, your Skill runs online 24/7 as an agent product, and you get paid every time someone uses it.
Start earning →