MCP Server Error Handling Patterns for Production

Proper error handling prevents information leakage and improves debugging.

Error Response Pattern

{
  "jsonrpc": "2.0",
  "id": 1,
  "error": {
    "code": -32603,
    "message": "Internal error",
    "data": {
      "type": "database_error",
      "retryable": true
    }
  }
}