completed tools and setup

chat/public/builder.js

@@ -3964,6 +3964,7 @@ async function sendMessage() {
       model,
       cli,
       attachments: pendingAttachments.length ? pendingAttachments : undefined,
+      externalTestingEnabled: !!builderState.externalTestingEnabled // Send feature toggle state to server
     };
     // Preserve opencodeSessionId to continue in the same session
     if (currentSession && currentSession.opencodeSessionId) {

chat/server.js

@@ -8800,6 +8800,14 @@ async function sendToOpencode({ session, model, content, message, cli, streamCal
     args.push('--session', opencodeSessionId);
   }
 
+  // Configure WP CLI Testing MCP server if feature is enabled
+  const wpCliMcpEnabled = message?.externalTestingEnabled === true;
+  log('WP CLI Testing MCP server configuration', { 
+    enabled: wpCliMcpEnabled, 
+    messageId: message?.id,
+    sessionId: session.id 
+  });
+
   // Ensure content is properly passed as the final argument
   if (typeof clean !== 'string' || clean.length === 0) {
     throw new Error('Message content is invalid or empty after sanitization');
@@ -8866,6 +8874,36 @@ async function sendToOpencode({ session, model, content, message, cli, streamCal
 
     // Use the OpenCode process manager for execution
     // This ensures all sessions share the same OpenCode instance when possible
+    
+    // Build environment variables including WP CLI MCP server config
+    const executionEnv = {
+      ...process.env,
+      OPENAI_API_KEY: OPENCODE_OLLAMA_API_KEY
+    };
+    
+    // Add WP CLI Testing MCP server to OpenCode config if enabled
+    if (wpCliMcpEnabled) {
+      const wpMcpServerPath = path.resolve(__dirname, '../opencode/mcp-servers/wp-cli-testing/index.js');
+      log('Enabling WP CLI Testing MCP server', { path: wpMcpServerPath, messageId: message?.id });
+      
+      // Configure OpenCode to include the WP CLI testing MCP server
+      // We pass this via environment variable that OpenCode can read
+      executionEnv.OPENCODE_EXTRA_MCP_SERVERS = JSON.stringify([
+        {
+          name: 'wp-cli-testing',
+          command: 'node',
+          args: [wpMcpServerPath],
+          disabled: false
+        }
+      ]);
+    } else {
+      // Safety: ensure the tools are not injected when the builder toggle is off,
+      // even if the parent process environment happens to have the variable set.
+      if (executionEnv.OPENCODE_EXTRA_MCP_SERVERS) {
+        delete executionEnv.OPENCODE_EXTRA_MCP_SERVERS;
+      }
+    }
+    
     const { stdout, stderr } = await opencodeManager.executeInSession(
       session?.id || 'standalone',
       workspaceDir,
@@ -8873,10 +8911,7 @@ async function sendToOpencode({ session, model, content, message, cli, streamCal
       args,
       {
         timeout: 600000, // 10 minute timeout to prevent stuck processes
-        env: {
-          ...process.env,
-          OPENAI_API_KEY: OPENCODE_OLLAMA_API_KEY
-        },
+        env: executionEnv,
         onData: (type, chunk) => {
         try {
           const now = Date.now();