CCAR-F Tool Design and MCP Integration — All Questions With Answers

{
  "name": "search_docs",
  "description": "Searches documentation",
  "inputSchema": {
    "type": "object",
    "properties": {
      "query": { "type": "string" },
      "limit": { "type": "integer", "default": 10 }
    },
    "required": ["query"]
  }
}

{
  "method": "tools/call",
  "params": {
    "name": "send_email",
    "arguments": {
      "recipient": "dev@example.com",
      "body": "Project status: urgent"
    }
  }
}

Error: Tool 'process_data' failed. Argument 'id' expected 'number', received 'string'.

{
  "tools": [
    {
      "name": "calculate_tax",
      "description": "Calculates the sales tax for a given amount.",
      "input_schema": {
        "type": "object",
        "properties": {
          "amount": {
            "type": "number",
            "description": "The total amount to calculate tax on."
          },
          "state_code": {
            "type": "string",
            "description": "The two-letter state code.",
            "pattern": "^[A-Z]{2}$"
          }
        },
        "required": ["amount", "state_code"]
      }
    }
  ]
}

// Model Output:
<tool_code>
calculate_tax(amount=150, state_code="California")
</tool_code>

{
  "name": "get_system_metrics",
  "description": "Fetches CPU usage",
  "inputSchema": {
    "type": "object",
    "properties": {
      "interval": {
        "type": "string",
        "description": "Time window in seconds"
      }
    },
    "required": ["interval"]
  }
}