diff --git a/src/index.ts b/src/index.ts
index ec12ed9..6cb5f22 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -531,7 +531,7 @@ markup:
           ],
         };
 
-      default:
+      default: {
         // Try to find specific workflow
         const workflow = DOCUMENTATION_WORKFLOWS[workflowType || ''];
         if (workflow) {
@@ -546,6 +546,7 @@ markup:
           };
         }
         throw new Error(`Unknown workflow: ${workflowType}`);
+      }
     }
   }
 
@@ -726,7 +727,7 @@ server.setRequestHandler(CallToolRequestSchema, async (request) => {
 });
 
 // Start the server
-async function main() {
+async function main(): Promise<void> {
   const transport = new StdioServerTransport();
   await server.connect(transport);
   console.error('DocuMCP server started successfully');
diff --git a/src/tools/populate-content.ts b/src/tools/populate-content.ts
index 6df00ec..b8066d5 100644
--- a/src/tools/populate-content.ts
+++ b/src/tools/populate-content.ts
@@ -25,13 +25,6 @@ interface ContentPlan {
   explanation: any[];
 }
 
-interface ProjectContext {
-  primaryLanguage: string;
-  frameworks: any[];
-  testingFrameworks: any[];
-  dependencies: any;
-  devopsTools?: DevOpsToolProfile;
-}
 
 interface DevOpsToolProfile {
   containerization: ContainerTechnology[];
@@ -430,7 +423,7 @@ app.start();`,
     ];
   }
 
-  private generateNodeSetupContent(analysis: any): string {
+  private generateNodeSetupContent(_analysis: any): string {
     return `# Setting Up Your Development Environment
 
 This guide will help you configure a complete Node.js and TypeScript development environment.
@@ -570,7 +563,7 @@ npm test -- --coverage
 `;
   }
 
-  private generateTestingExamples(analysis: any): string[] {
+  private generateTestingExamples(_analysis: any): string[] {
     return [
       `// Unit test example
 import { calculateTotal } from './calculator';
@@ -1534,7 +1527,9 @@ ${analysis.technologies.database ? `### Database
         try {
           await fs.access(filePath);
           continue;
-        } catch {}
+        } catch {
+          // File doesn't exist, continue to create it
+        }
       }
       
       await fs.writeFile(filePath, howTo.content, 'utf-8');
@@ -1550,7 +1545,9 @@ ${analysis.technologies.database ? `### Database
         try {
           await fs.access(filePath);
           continue;
-        } catch {}
+        } catch {
+          // File doesn't exist, continue to create it
+        }
       }
       
       await fs.writeFile(filePath, ref.content, 'utf-8');
@@ -1566,7 +1563,9 @@ ${analysis.technologies.database ? `### Database
         try {
           await fs.access(filePath);
           continue;
-        } catch {}
+        } catch {
+          // File doesn't exist, continue to create it
+        }
       }
       
       await fs.writeFile(filePath, exp.content, 'utf-8');
@@ -1803,7 +1802,7 @@ ${contentPlan.explanation.map(e => `- [${e.title}](explanation/${this.slugify(e.
     return files.some((f: any) => f.content?.includes(content));
   }
 
-  private extractDockerVersion(analysis: any): string | undefined {
+  private extractDockerVersion(_analysis: any): string | undefined {
     return undefined; // Could be implemented to parse Dockerfile
   }
 
@@ -1828,11 +1827,11 @@ ${contentPlan.explanation.map(e => `- [${e.title}](explanation/${this.slugify(e.
       .map((f: any) => f.name);
   }
 
-  private analyzeKubernetesResources(analysis: any): string[] {
+  private analyzeKubernetesResources(_analysis: any): string[] {
     return ['Deployment', 'Service', 'ConfigMap']; // Simplified
   }
 
-  private extractNamespaces(analysis: any): string[] {
+  private extractNamespaces(_analysis: any): string[] {
     return ['default']; // Simplified
   }
 
@@ -2159,7 +2158,7 @@ python manage.py runserver
 `;
   }
 
-  private generateFastAPITutorialContent(analysis: any): string {
+  private generateFastAPITutorialContent(_analysis: any): string {
     return `# Building APIs with FastAPI
 
 Create modern, fast APIs with automatic documentation using FastAPI.
@@ -2226,7 +2225,7 @@ FastAPI automatically generates interactive API documentation:
 `;
   }
 
-  private generateFlaskTutorialContent(analysis: any): string {
+  private generateFlaskTutorialContent(_analysis: any): string {
     return `# Building Applications with Flask
 
 Create lightweight web applications and APIs using Flask's minimalist approach.
@@ -2303,7 +2302,7 @@ Popular Flask extensions:
   }
 
   // Helper methods for container content generation
-  private generateContainerFileContent(analysis: any, containerTech: ContainerTechnology): string {
+  private generateContainerFileContent(analysis: any, _containerTech: ContainerTechnology): string {
     const language = analysis.metadata.primaryLanguage?.toLowerCase();
     
     if (language === 'python') {
@@ -2404,7 +2403,7 @@ ${containerTech.name} ps`
     ];
   }
 
-  private generateOrchestrationExamples(analysis: any, orchestrationTech: OrchestrationTechnology): string[] {
+  private generateOrchestrationExamples(analysis: any, _orchestrationTech: OrchestrationTechnology): string[] {
     return [
       `# Deploy the application
 kubectl apply -f k8s/`,
diff --git a/src/tools/test-local-deployment.ts b/src/tools/test-local-deployment.ts
index ef434d8..339804c 100644
--- a/src/tools/test-local-deployment.ts
+++ b/src/tools/test-local-deployment.ts
@@ -108,7 +108,7 @@ export async function testLocalDeployment(args: unknown): Promise<{ content: any
     // Step 2: Install dependencies if needed
     if (config.installCommand && !skipBuild) {
       try {
-        const { stdout: _stdout, stderr } = await execAsync(config.installCommand, { 
+        const { stderr } = await execAsync(config.installCommand, { 
           cwd: repositoryPath,
           timeout: timeout * 1000 
         });
diff --git a/src/tools/validate-content.ts b/src/tools/validate-content.ts
index 9c328a4..236b086 100644
--- a/src/tools/validate-content.ts
+++ b/src/tools/validate-content.ts
@@ -3,12 +3,12 @@ import * as fs from 'fs/promises';
 import * as path from 'path';
 import { exec } from 'child_process';
 import { promisify } from 'util';
+import { fileURLToPath } from 'url';
 
 // ESM-compatible __dirname replacement - fallback for test environments
 function getDirname(): string {
   try {
     if (typeof import.meta !== 'undefined' && import.meta.url) {
-      const { fileURLToPath } = require('url');
       return path.dirname(fileURLToPath(import.meta.url));
     }
   } catch {
@@ -245,8 +245,6 @@ class ContentAccuracyValidator {
   ): Promise<void> {
     if (!this.projectContext) return;
 
-    const dependencies = this.projectContext.dependencies?.packages || [];
-    
     // Check if mentioned versions align with project dependencies
     const versionPattern = /@(\d+\.\d+\.\d+)/g;
     const matches = content.match(versionPattern);
@@ -615,7 +613,7 @@ class ContentAccuracyValidator {
       await fs.writeFile(tempFile, code, 'utf-8');
       
       // Try to compile with TypeScript
-      const { stdout, stderr } = await execAsync(`npx tsc --noEmit --skipLibCheck ${tempFile}`);
+      const { stderr } = await execAsync(`npx tsc --noEmit --skipLibCheck ${tempFile}`);
       
       if (stderr && stderr.includes('error')) {
         validation.issues.push({
@@ -647,7 +645,9 @@ class ContentAccuracyValidator {
       // Clean up temp file
       try {
         await fs.unlink(tempFile);
-      } catch {}
+      } catch {
+        // Ignore cleanup errors
+      }
     }
   }
 
@@ -826,7 +826,7 @@ class ContentAccuracyValidator {
     }
   }
 
-  private generateRecommendations(result: ValidationResult, options: ValidationOptions): void {
+  private generateRecommendations(result: ValidationResult, _options: ValidationOptions): void {
     const recommendations: string[] = [];
     const nextSteps: string[] = [];
     
diff --git a/tests/edge-cases/error-handling.test.ts b/tests/edge-cases/error-handling.test.ts
index 624340e..fa16466 100644
--- a/tests/edge-cases/error-handling.test.ts
+++ b/tests/edge-cases/error-handling.test.ts
@@ -531,7 +531,7 @@ describe('Edge Cases and Error Handling', () => {
       try {
         await Promise.race([longOperation, timeoutPromise]);
       } catch (error) {
-        if (error.message === 'Operation timed out') {
+        if (error instanceof Error && error.message === 'Operation timed out') {
           console.warn('Long operation test timed out - this is expected behavior');
         } else {
           throw error;