Paper Finder (app.openkrill/papers)

Search Europe PMC, Crossref and arXiv, and get a paper's abstract and free full-text link from its DOI. Tools: `search_papers`, `search_arxiv`, `get_paper`. Read-only, public data only. Streamable HTTP endpoint: `https://papers.openkrill.app/mcp`. No auth, no API key, free. Registry id `app.openkrill/papers`.

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Browse this MCP server in the TensorBlock MCP Index.