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validate_mcp_response

Active

Tool of IA-QA — 130+ QA & Dev Tools for AI Agents

declared in 1.0.0

Validate that an MCP tool response conforms to expected format, schema, and content rules. Use this to QA-test any MCP server tool. Supply the tool's actual JSON result and a set of checks to perform.

Parameters schema

{
  "type": "object",
  "required": [
    "response"
  ],
  "properties": {
    "response": {
      "type": "string",
      "description": "The MCP tool result as a JSON string to validate"
    },
    "min_items": {
      "type": "number",
      "description": "If response is an array, minimum number of items expected"
    },
    "expected_type": {
      "enum": [
        "object",
        "array",
        "string",
        "number"
      ],
      "type": "string",
      "description": "Expected top-level type: \"object\", \"array\", \"string\", \"number\""
    },
    "required_keys": {
      "type": "string",
      "description": "Comma-separated list of keys that MUST exist in the response (dot-notation for nested: \"data.id, data.name\")"
    },
    "actual_latency": {
      "type": "number",
      "description": "Actual measured latency in ms (from the call)"
    },
    "forbidden_keys": {
      "type": "string",
      "description": "Comma-separated list of keys that MUST NOT exist (e.g. \"password, secret, token\")"
    },
    "max_size_bytes": {
      "type": "number",
      "description": "Maximum acceptable response size in bytes"
    },
    "max_response_ms": {
      "type": "number",
      "description": "Maximum acceptable latency in ms (will be compared if provided)"
    }
  }
}

What this tool wraps· 0 endpoints

min confidence0.700.50

No endpoints wrapped at confidence ≥ 0.50.

Parent server

IA-QA — 130+ QA & Dev Tools for AI Agents

https://github.com/jcjamet/ia-qa

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validate_mcp_response — IA-QA — 130+ QA & Dev Tools for AI Agents — PRSM MCP