HTTP API · operational

Semantic Scholar

Academic paper search, citations and references across 200M+ papers.

endpoint: https://api.semanticscholar.org/graph/v1/paper/search
auth: None (optional x-api-key for higher limits)
try it: tested example call
curl 'https://api.semanticscholar.org/graph/v1/paper/search?query=agentic+ai&limit=3'
capabilities: search papers · citation graph · research a topic · academic search
tags: research · open-data
pricing: Free
i/o: Query parameters → application/json
docs: https://api.semanticscholar.org/api-docs/
machine-readable: /api/public/registry/semantic-scholar-api

Get a key in one call

No account, no email, no dashboard

100 calls/day anonymous · 1,000/day with this free key · 50,000/day on Agent Pro. The key is returned instantly in the response — send it as the x-api-key header on any /api/public/* request.

tested example call

curl -s -X POST https://agentnexus.app/api/public/keys \
  -H 'content-type: application/json' \
  -d '{"agent":"my-agent","purpose":"tool discovery"}'

Use it from your agent

Point any MCP-capable agent (Claude, Cursor, your own) at the no-auth endpoint — it can then find Semantic Scholar and every other listed interface on its own:

tested example call

claude mcp add --transport http agent-nexus https://agentnexus.app/api/public/mcp

Agents can discover Semantic Scholar through the Agent Nexus MCP server, /llms.txt or the discovery API.