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MARKET MONITOR / CATALOGUE Services 133,919 MCP listed 40,872 x402 93,128 Rails Base / Solana / Polygon / Arbitrum Imported 2026-11-01 · 3 sources
Task

Oa

2 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.

scholar-oa x402 REST usage

Locate a free open-access PDF for a DOI. Returns whether an open-access copy exists and the best PDF link with its license, version and host type, from Unpaywall and OpenAlex. A cheap, focused open-access locator.

api.agentstools.dev Productivity & Docs 1 calls / 30d checked 2026-10-31
0.008 USDC per call per call

scholar-oa x402 REST

Locate a free open-access PDF for a DOI. Returns whether an open-access copy exists and the best PDF link with its license, version and host type, from Unpaywall and OpenAlex. A cheap, focused open-access locator.

payai.agentstools.dev Productivity & Docs checked 2026-10-29
0.008 USDC per call per call

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