{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "gno://schemas/mcp-http-error@1.0",
  "title": "GNO HTTP MCP Boundary Error",
  "description": "Redacted stable JSON-RPC error body emitted before SDK dispatch for HTTP MCP boundary failures",
  "type": "object",
  "additionalProperties": false,
  "required": ["jsonrpc", "error", "id"],
  "properties": {
    "jsonrpc": { "const": "2.0" },
    "error": {
      "type": "object",
      "additionalProperties": false,
      "required": ["code", "message"],
      "properties": {
        "code": { "enum": [-32000, -32003] },
        "message": {
          "enum": [
            "Unauthorized",
            "Forbidden",
            "Operation blocked by collection egress policy",
            "Request body too large",
            "Too many requests",
            "Resident runtime unavailable"
          ]
        },
        "data": {
          "type": "object",
          "additionalProperties": false,
          "required": ["code", "message", "reason", "audit"],
          "properties": {
            "code": { "const": "EGRESS_DENIED" },
            "message": {
              "const": "Operation blocked by collection egress policy"
            },
            "reason": {
              "enum": [
                "LOCAL_DESTINATION",
                "LAN_POLICY_AUTHENTICATED",
                "REMOTE_POLICY_AUTHENTICATED",
                "INVALID_INPUT",
                "NO_COLLECTION_POLICY",
                "COLLECTION_LIMIT_EXCEEDED",
                "INVALID_COLLECTION",
                "UNKNOWN_ACTION",
                "UNKNOWN_DESTINATION",
                "ACTION_DESTINATION_MISMATCH",
                "UNKNOWN_CONTENT_CLASS",
                "UNKNOWN_POLICY",
                "UNKNOWN_POLICY_SOURCE",
                "INVALID_POLICY_SOURCE_PAIR",
                "INVALID_CALLER",
                "CALLER_NOT_AUTHORIZED",
                "AUTHENTICATION_REQUIRED",
                "POLICY_LOCAL_ONLY",
                "POLICY_LAN_ONLY"
              ]
            },
            "audit": {
              "type": "object",
              "additionalProperties": false,
              "required": [
                "action",
                "destinationZone",
                "contentClass",
                "collectionCount",
                "collections",
                "effectivePolicy",
                "effectivePolicySource",
                "callerAuthenticated",
                "callerOperationAuthorized"
              ],
              "properties": {
                "action": {
                  "enum": [
                    "retrieve",
                    "serve",
                    "publish",
                    "remote_inference",
                    "export",
                    "clip_write",
                    "unknown"
                  ]
                },
                "destinationZone": {
                  "enum": [
                    "local_process",
                    "loopback",
                    "lan",
                    "remote",
                    "unknown"
                  ]
                },
                "contentClass": {
                  "enum": [
                    "source",
                    "snippet",
                    "metadata",
                    "attachment",
                    "embedding",
                    "capsule",
                    "audit_log",
                    "retrieval_trace",
                    "unknown"
                  ]
                },
                "collectionCount": { "type": "integer", "minimum": 0 },
                "collections": {
                  "type": "array",
                  "items": { "type": "string" },
                  "maxItems": 64
                },
                "effectivePolicy": {
                  "enum": ["local_only", "lan", "remote", "unknown"]
                },
                "effectivePolicySource": {
                  "enum": [
                    "explicit",
                    "config_default",
                    "legacy_default",
                    "mixed",
                    "unknown"
                  ]
                },
                "callerAuthenticated": {
                  "anyOf": [{ "type": "boolean" }, { "type": "null" }]
                },
                "callerOperationAuthorized": {
                  "anyOf": [{ "type": "boolean" }, { "type": "null" }]
                }
              }
            }
          }
        }
      }
    },
    "id": {
      "anyOf": [{ "type": "null" }, { "type": "integer" }, { "type": "string" }]
    }
  }
}