{
  "name": "AUN DOI metadata",
  "description": "Retrieve bibliographic metadata for a known DOI from Crossref.",
  "version": "0.1.0",
  "status": "research preview",
  "endpoint": "/api/doi",
  "method": "GET",
  "parameters": {
    "doi": {
      "type": "string",
      "required": true,
      "example": "10.1038/nphys1170"
    }
  },
  "authentication": "none",
  "price_usd": 0,
  "openapi": "https://agentutility.network/openapi.json",
  "limitations": [
    "Crossref records only",
    "No full text or scientific claim verification",
    "No complete retraction checking"
  ],
  "base_url": "https://agentutility.network",
  "documentation": "https://agentutility.network/docs.html"
}