{
  "status": "pass",
  "node": "v25.6.1",
  "platform": "darwin",
  "arch": "arm64",
  "network_used_for_scenarios": false,
  "fixture": "v1 low-level Server over linked in-memory transport; v2 prior.kind=legacy; synthetic payloads, not a live production server",
  "assertions": "all 13 outcome rows plus returned payload/error-code assertions matched",
  "rows": [
    {
      "client": "@modelcontextprotocol/sdk@1.32.2",
      "discovery_performed": true,
      "scenario": "success-valid",
      "outcome": "returned",
      "isError": false,
      "structuredContent": {
        "value": 7
      }
    },
    {
      "client": "@modelcontextprotocol/sdk@1.32.2",
      "discovery_performed": true,
      "scenario": "success-invalid",
      "outcome": "threw",
      "error_code": -32602,
      "error_message": "MCP error -32602: Structured content does not match the tool's output schema: data must have required property 'value', data must NOT have additional properties"
    },
    {
      "client": "@modelcontextprotocol/sdk@1.32.2",
      "discovery_performed": true,
      "scenario": "success-missing-structured",
      "outcome": "threw",
      "error_code": -32600,
      "error_message": "MCP error -32600: Tool controlled_output has an output schema but did not return structured content"
    },
    {
      "client": "@modelcontextprotocol/sdk@1.32.2",
      "discovery_performed": true,
      "scenario": "error-text-only",
      "outcome": "returned",
      "isError": true,
      "structuredContent": null
    },
    {
      "client": "@modelcontextprotocol/sdk@1.32.2",
      "discovery_performed": true,
      "scenario": "error-structured-off-schema",
      "outcome": "threw",
      "error_code": -32602,
      "error_message": "MCP error -32602: Structured content does not match the tool's output schema: data must have required property 'value', data must NOT have additional properties"
    },
    {
      "client": "@modelcontextprotocol/sdk@1.32.2",
      "discovery_performed": true,
      "scenario": "error-structured-conforming",
      "outcome": "returned",
      "isError": true,
      "structuredContent": {
        "value": 0
      }
    },
    {
      "client": "@modelcontextprotocol/client@2.4.0",
      "discovery_performed": true,
      "scenario": "success-valid",
      "outcome": "returned",
      "isError": false,
      "structuredContent": {
        "value": 7
      }
    },
    {
      "client": "@modelcontextprotocol/client@2.4.0",
      "discovery_performed": true,
      "scenario": "success-invalid",
      "outcome": "threw",
      "error_code": -32602,
      "error_message": "Structured content does not match the tool's output schema: data must have required property 'value', data must NOT have additional properties"
    },
    {
      "client": "@modelcontextprotocol/client@2.4.0",
      "discovery_performed": true,
      "scenario": "success-missing-structured",
      "outcome": "threw",
      "error_code": -32600,
      "error_message": "Tool controlled_output has an output schema but did not return structured content"
    },
    {
      "client": "@modelcontextprotocol/client@2.4.0",
      "discovery_performed": true,
      "scenario": "error-text-only",
      "outcome": "returned",
      "isError": true,
      "structuredContent": null
    },
    {
      "client": "@modelcontextprotocol/client@2.4.0",
      "discovery_performed": true,
      "scenario": "error-structured-off-schema",
      "outcome": "returned",
      "isError": true,
      "structuredContent": {
        "error": "unavailable"
      }
    },
    {
      "client": "@modelcontextprotocol/client@2.4.0",
      "discovery_performed": true,
      "scenario": "error-structured-conforming",
      "outcome": "returned",
      "isError": true,
      "structuredContent": {
        "value": 0
      }
    },
    {
      "client": "@modelcontextprotocol/sdk@1.32.2",
      "discovery_performed": false,
      "scenario": "error-structured-off-schema",
      "outcome": "returned",
      "isError": true,
      "structuredContent": {
        "error": "unavailable"
      }
    }
  ]
}