Paperknife PDF Extraction Agent

{
  "name": "Paperknife PDF Extraction Agent",
  "description": "Converts public HTTPS PDF files into clean, page-aware JSON for RAG indexing and autonomous LLM pipelines. First-page previews are free; full extraction costs $0.003 USDC through x402 on Base.",
  "supportedInterfaces": [
    {
      "url": "https://paperknife-api.davidgoparkid369.chatgpt.site/a2a",
      "protocolBinding": "JSONRPC",
      "protocolVersion": "1.0"
    }
  ],
  "provider": {
    "organization": "Paperknife",
    "url": "https://paperknife-api.davidgoparkid369.chatgpt.site"
  },
  "version": "1.0.0",
  "documentationUrl": "https://paperknife-api.davidgoparkid369.chatgpt.site/openapi.json",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "extendedAgentCard": false,
    "extensions": [
      {
        "uri": "https://www.x402.org/",
        "description": "Full extraction uses an x402 v2 USDC payment challenge on Base.",
        "required": false
      }
    ]
  },
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json"
  ],
  "skills": [
    {
      "id": "pdf-preview",
      "name": "Free PDF first-page preview",
      "description": "Extract the first page and up to ten links from a public HTTPS PDF. Send metadata.preview=true.",
      "tags": [
        "pdf",
        "preview",
        "document",
        "free"
      ],
      "examples": [
        "Preview https://pdfobject.com/pdf/sample.pdf"
      ],
      "inputModes": [
        "application/json",
        "text/plain"
      ],
      "outputModes": [
        "application/json"
      ]
    },
    {
      "id": "pdf-to-page-aware-json",
      "name": "Paid full PDF extraction",
      "description": "Extract complete page-aware text, metadata, and links from a public HTTPS PDF up to 20 MB and 100 pages for $0.003 USDC via x402.",
      "tags": [
        "pdf",
        "json",
        "rag",
        "llm",
        "document-extraction",
        "x402"
      ],
      "examples": [
        "Convert this PDF URL into page-aware JSON for RAG ingestion"
      ],
      "inputModes": [
        "application/json",
        "text/plain"
      ],
      "outputModes": [
        "application/json"
      ]
    }
  ]
}