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SYNTHORA Unpaywall Open-Access Locator

x402/synthora-unpaywall-open-access-locator

Given a DOI, Unpaywall returns whether a legal open-access copy exists plus the best OA PDF URL, host type, license, version and repository as JSON (keyless with an email parameter). Essential for autonomous research agents and agent-to-agent workflows fetching legally free full text. [x402: $0.0015/call on base, category=other]

Uptime
0.0%
1 probes
Response
0ms
last probe
Tools
0
callable
Primary URL
https://unpaywall-oa-lookup.hergertsynthora.com/service

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How to use

Add to your Claude Desktop / Cursor / Cline MCP config:

{
  "mcpServers": {
    "synthora_unpaywall_open-access_locator": {
      "url": "https://unpaywall-oa-lookup.hergertsynthora.com/service",
      "transport": "http"
    }
  }
}