opus 4 edits:

----
1. parse id code  { "code": -32602, "name": "McpError" } out and display it to the user
2. deleting an mcp server from the mcp file doesnt work, the server remains
3. ui - non-wrapping tooltips should wrap

src/vs/workbench/contrib/void/browser/react/src/void-settings-tsx/Settings.tsx

@@ -948,7 +948,7 @@ const MCPServerComponent = ({ name, server }: { name: string, server: MCPServer
 
 								data-tooltip-id='void-tooltip'
 								data-tooltip-content={tool.description || ''}
-								data-tooltip-class-name='void-max-w-[20px]'
+								data-tooltip-class-name='void-max-w-[300px]'
 							>
 								{removeUniquePrefix(tool.name)}
 							</span>
@@ -1140,7 +1140,7 @@ export const Settings = () => {
 									className='hover:brightness-110'
 									data-tooltip-id='void-tooltip'
 									data-tooltip-content='We recommend using the largest qwen2.5-coder model you can with Ollama (try qwen2.5-coder:3b).'
-									data-tooltip-class-name='void-max-w-[20px]'
+									data-tooltip-class-name='void-max-w-[300px]'
 								>
 									Only works with FIM models.*
 								</span>

src/vs/workbench/contrib/void/browser/react/src/void-tooltip/VoidTooltip.tsx

@@ -50,6 +50,8 @@ export const VoidTooltip = () => {
 					padding: 0px 8px;
 					border-radius: 6px;
 					z-index: 999999;
+					max-width: 300px;
+					word-wrap: break-word;
 				}
 
 				#void-tooltip {

src/vs/workbench/contrib/void/common/mcpService.ts

@@ -118,11 +118,21 @@ class MCPService extends Disposable implements IMCPService {
 	}
 
 	private readonly _setMCPServerState = async (serverName: string, newServer: MCPServer | undefined) => {
-		this.state = {
-			...this.state,
-			mcpServerOfName: {
-				...this.state.mcpServerOfName,
-				...newServer === undefined ? {} : { [serverName]: newServer, }
+		if (newServer === undefined) {
+			// Remove the server from the state
+			const { [serverName]: removed, ...remainingServers } = this.state.mcpServerOfName;
+			this.state = {
+				...this.state,
+				mcpServerOfName: remainingServers
+			}
+		} else {
+			// Add or update the server
+			this.state = {
+				...this.state,
+				mcpServerOfName: {
+					...this.state.mcpServerOfName,
+					[serverName]: newServer
+				}
 			}
 		}
 		this._onDidChangeState.fire();

src/vs/workbench/contrib/void/electron-main/mcpChannel.ts

@@ -354,7 +354,49 @@ export class MCPChannel implements IServerChannel {
 			const response = await this._callTool(serverName, toolName, params)
 			return response
 		} catch (err) {
-			const fullErrorMessage = `❌ Failed to call tool "${toolName}" on server "${serverName}": ${typeof err === 'string' ? err : JSON.stringify(err, null, 2)}`
+			let errorMessage: string;
+			
+			// Check if it's an MCP error with a code
+			if (err && typeof err === 'object' && 'code' in err) {
+				const errorCode = (err as any).code;
+				const errorName = (err as any).name || 'Unknown Error';
+				const errorMsg = (err as any).message || '';
+				
+				// Map common JSON-RPC error codes to user-friendly messages
+				let codeDescription = '';
+				switch (errorCode) {
+					case -32700:
+						codeDescription = 'Parse Error';
+						break;
+					case -32600:
+						codeDescription = 'Invalid Request';
+						break;
+					case -32601:
+						codeDescription = 'Method Not Found';
+						break;
+					case -32602:
+						codeDescription = 'Invalid Parameters';
+						break;
+					case -32603:
+						codeDescription = 'Internal Error';
+						break;
+					default:
+						codeDescription = `Error Code ${errorCode}`;
+				}
+				
+				errorMessage = `${errorName} (${codeDescription})${errorMsg ? ': ' + errorMsg : ''}`;
+			} else if (err && typeof err === 'object' && 'message' in err) {
+				// Standard error with message
+				errorMessage = (err as any).message;
+			} else if (typeof err === 'string') {
+				// String error
+				errorMessage = err;
+			} else {
+				// Unknown error format
+				errorMessage = JSON.stringify(err, null, 2);
+			}
+			
+			const fullErrorMessage = `❌ Failed to call tool "${toolName}" on server "${serverName}": ${errorMessage}`;
 			const errorResponse: MCPToolErrorResponse = {
 				event: 'error',
 				text: fullErrorMessage,