BriefSnap — AI Document Summarizer (RAEN x402)

{
  "name": "BriefSnap \u2014 AI Document Summarizer (RAEN x402)",
  "description": "Pay per call in USDC on eip155:8453 and get structured AI document work back from Claude: summarize ($1.00), extract action items/decisions/deadlines ($1.50), ELI5 explainers ($1.00), or two-document comparison ($3.00). Text up to 50,000 characters; JSON output. No API keys, no subscription \u2014 x402 only. Free surfaces: GET /sample (static demo of every endpoint), GET /pricing.md, GET /llms.txt, GET /about, GET /.well-known/x402.json, GET /openapi.json.",
  "version": "1.0.0",
  "protocolVersion": "1.0",
  "url": "https://briefsnap-x402.fly.dev/a2a",
  "supportedInterfaces": [
    {
      "url": "https://briefsnap-x402.fly.dev/a2a",
      "transport": "JSONRPC",
      "protocolBinding": "JSONRPC",
      "protocolVersion": "1.0"
    }
  ],
  "preferredTransport": "JSONRPC",
  "provider": {
    "organization": "Royal Agentic Enterprises",
    "url": "https://briefsnap-x402.fly.dev"
  },
  "documentationUrl": "https://briefsnap-x402.fly.dev/pricing.md",
  "capabilities": {
    "streaming": false,
    "pushNotifications": false,
    "stateTransitionHistory": false,
    "extensions": [
      {
        "uri": "https://x402.org",
        "description": "x402 v2 payment gating: USDC on eip155:8453, scheme exact, /api/summarize $1.00, /api/extract-actions $1.50, /api/eli5 $1.00, /api/compare-docs $3.00, facilitator https://x402-agent-pay.com/facilitator, payTo treasury 0x7861db4efc14a1ed5dd8c96c528a3796560f1393. The live 402 challenge is authoritative.",
        "required": false
      }
    ]
  },
  "defaultInputModes": [
    "application/json",
    "text/plain"
  ],
  "defaultOutputModes": [
    "application/json",
    "text/plain"
  ],
  "skills": [
    {
      "id": "document-work-guide",
      "name": "Document summarization, extraction, ELI5, comparison (paid)",
      "description": "Explains the four paid endpoints (/api/summarize $1.00, /api/extract-actions $1.50, /api/eli5 $1.00, /api/compare-docs $3.00) and the x402 buy flow: unpaid POST \u2192 decode the 402 PAYMENT-REQUIRED header \u2192 sign a USDC EIP-3009 transferWithAuthorization \u2192 resend with PAYMENT-SIGNATURE. Request bodies: { text } (summarize/extract-actions/eli5) or { doc_a, doc_b } (compare-docs).",
      "tags": [
        "summarize",
        "extract-actions",
        "eli5",
        "compare-docs",
        "x402",
        "usdc",
        "documents"
      ],
      "examples": [
        "Summarize a 40-page contract for me \u2014 what do I send and how do I pay?"
      ]
    },
    {
      "id": "free-sample-preview",
      "name": "Free sample previews of every endpoint",
      "description": "Points to GET /sample \u2014 static, unpaid demo payloads showing the exact JSON output shape of all four endpoints, plus GET /pricing.md for the human+machine price sheet and /.well-known/x402.json for the live payment contract.",
      "tags": [
        "sample",
        "free",
        "preview",
        "pricing",
        "manifest"
      ],
      "examples": [
        "Show me a free example of the extract-actions output before I pay."
      ]
    },
    {
      "id": "machine-readable-surfaces",
      "name": "Machine-readable discovery surfaces",
      "description": "Guides agents to this wall's free machine surfaces: /pricing.md, /llms.txt, /openapi.json, /about, /sample.json, /.well-known/x402.json (live 402 accepts), /.well-known/agent-card.json (this card), POST /a2a (A2A v1 JSON-RPC).",
      "tags": [
        "discovery",
        "openapi",
        "x402",
        "a2a",
        "json"
      ],
      "examples": [
        "Where is the machine-readable pricing manifest for this service?"
      ]
    }
  ],
  "securitySchemes": {},
  "security": []
}