vamseeachanta Error Handling
Error Handling
Common Errors
| Error | Cause | Solution |
|---|---|---|
ECONNREFUSED |
Server not running | Start the MCP server process |
Tool not found |
Incorrect tool name | Check ListToolsRequestSchema handler |
Invalid arguments |
Schema mismatch | Validate against inputSchema |
Authentication failed |
Missing/invalid API key | Set environment variable correctly |
Timeout |
Slow response | Increase MCP_TIMEOUT or optimize handler |
Error Template
try {
const result = await operation();
return { content: [{ type: "text", text: JSON.stringify(result) }] };
} catch (error) {
throw new Error(
`Operation failed: ${error.message}. ` +
`Please check your configuration and try again.`
);
}