{
  "openapi": "3.1.0",
  "info": {
    "title": "DeltaMesh Web Freshness",
    "version": "4.0.0",
    "description": "Free public HTTPS response-metadata checks for autonomous agents."
  },
  "servers": [
    {
      "url": "https://deltamesh-agent-beacon.giuelvy.workers.dev"
    }
  ],
  "paths": {
    "/api/v1/freshness": {
      "get": {
        "operationId": "webFreshness",
        "summary": "Check freshness metadata for one public HTTPS URL",
        "parameters": [
          {
            "name": "url",
            "in": "query",
            "required": true,
            "schema": {
              "type": "string",
              "format": "uri"
            }
          }
        ],
        "responses": {
          "200": {
            "description": "Observed metadata"
          },
          "400": {
            "description": "Invalid or forbidden target"
          },
          "502": {
            "description": "Target fetch failed"
          }
        }
      }
    },
    "/api/v1/compare": {
      "post": {
        "operationId": "compareWebFreshness",
        "summary": "Compare up to five public HTTPS URLs",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "type": "object",
                "properties": {
                  "urls": {
                    "type": "array",
                    "minItems": 2,
                    "maxItems": 5,
                    "items": {
                      "type": "string",
                      "format": "uri"
                    }
                  }
                },
                "required": [
                  "urls"
                ],
                "additionalProperties": false
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Comparison results"
          }
        }
      }
    },
    "/mcp": {
      "post": {
        "summary": "MCP Streamable HTTP endpoint",
        "responses": {
          "200": {
            "description": "MCP JSON-RPC response"
          }
        }
      }
    },
    "/a2a": {
      "post": {
        "summary": "A2A JSON-RPC endpoint",
        "responses": {
          "200": {
            "description": "A2A response"
          }
        }
      }
    }
  }
}