diff --git a/scripts/test-telemetry-debug.ts b/scripts/test-telemetry-debug.ts
new file mode 100644
index 0000000..ba2e85a
--- /dev/null
+++ b/scripts/test-telemetry-debug.ts
@@ -0,0 +1,118 @@
+#!/usr/bin/env npx tsx
+/**
+ * Debug script for telemetry integration
+ * Tests direct Supabase connection
+ */
+
+import { createClient } from '@supabase/supabase-js';
+import dotenv from 'dotenv';
+
+// Load environment variables
+dotenv.config();
+
+async function debugTelemetry() {
+  console.log('🔍 Debugging Telemetry Integration\n');
+
+  const supabaseUrl = process.env.SUPABASE_URL;
+  const supabaseAnonKey = process.env.SUPABASE_ANON_KEY;
+
+  if (!supabaseUrl || !supabaseAnonKey) {
+    console.error('❌ Missing SUPABASE_URL or SUPABASE_ANON_KEY');
+    process.exit(1);
+  }
+
+  console.log('Environment:');
+  console.log('  URL:', supabaseUrl);
+  console.log('  Key:', supabaseAnonKey.substring(0, 30) + '...');
+
+  // Create Supabase client
+  const supabase = createClient(supabaseUrl, supabaseAnonKey, {
+    auth: {
+      persistSession: false,
+      autoRefreshToken: false,
+    }
+  });
+
+  // Test 1: Direct insert to telemetry_events
+  console.log('\n📝 Test 1: Direct insert to telemetry_events...');
+  const testEvent = {
+    user_id: 'test-user-123',
+    event: 'test_event',
+    properties: {
+      test: true,
+      timestamp: new Date().toISOString()
+    }
+  };
+
+  const { data: eventData, error: eventError } = await supabase
+    .from('telemetry_events')
+    .insert([testEvent])
+    .select();
+
+  if (eventError) {
+    console.error('❌ Event insert failed:', eventError);
+  } else {
+    console.log('✅ Event inserted successfully:', eventData);
+  }
+
+  // Test 2: Direct insert to telemetry_workflows
+  console.log('\n📝 Test 2: Direct insert to telemetry_workflows...');
+  const testWorkflow = {
+    user_id: 'test-user-123',
+    workflow_hash: 'test-hash-' + Date.now(),
+    node_count: 3,
+    node_types: ['webhook', 'http', 'slack'],
+    has_trigger: true,
+    has_webhook: true,
+    complexity: 'simple',
+    sanitized_workflow: {
+      nodes: [],
+      connections: {}
+    }
+  };
+
+  const { data: workflowData, error: workflowError } = await supabase
+    .from('telemetry_workflows')
+    .insert([testWorkflow])
+    .select();
+
+  if (workflowError) {
+    console.error('❌ Workflow insert failed:', workflowError);
+  } else {
+    console.log('✅ Workflow inserted successfully:', workflowData);
+  }
+
+  // Test 3: Try to read data (should fail with anon key due to RLS)
+  console.log('\n📖 Test 3: Attempting to read data (should fail due to RLS)...');
+  const { data: readData, error: readError } = await supabase
+    .from('telemetry_events')
+    .select('*')
+    .limit(1);
+
+  if (readError) {
+    console.log('✅ Read correctly blocked by RLS:', readError.message);
+  } else {
+    console.log('⚠️  Unexpected: Read succeeded (RLS may not be working):', readData);
+  }
+
+  // Test 4: Check table existence
+  console.log('\n🔍 Test 4: Verifying tables exist...');
+  const { data: tables, error: tablesError } = await supabase
+    .rpc('get_tables', { schema_name: 'public' })
+    .select('*');
+
+  if (tablesError) {
+    // This is expected - the RPC function might not exist
+    console.log('ℹ️  Cannot list tables (RPC function not available)');
+  } else {
+    console.log('Tables found:', tables);
+  }
+
+  console.log('\n✨ Debug completed! Check your Supabase dashboard for the test data.');
+  console.log('Dashboard: https://supabase.com/dashboard/project/ydyufsohxdfpopqbubwk/editor');
+}
+
+debugTelemetry().catch(error => {
+  console.error('❌ Debug failed:', error);
+  process.exit(1);
+});
\ No newline at end of file
diff --git a/scripts/test-telemetry-integration.ts b/scripts/test-telemetry-integration.ts
new file mode 100644
index 0000000..b4a7e38
--- /dev/null
+++ b/scripts/test-telemetry-integration.ts
@@ -0,0 +1,182 @@
+#!/usr/bin/env npx tsx
+/**
+ * Test script for telemetry integration
+ * Verifies that telemetry data can be sent to Supabase
+ */
+
+import { telemetry } from '../src/telemetry';
+import { WorkflowSanitizer } from '../src/telemetry/workflow-sanitizer';
+import dotenv from 'dotenv';
+
+// Load environment variables
+dotenv.config();
+
+async function testTelemetryIntegration() {
+  console.log('🧪 Testing Telemetry Integration with Supabase\n');
+
+  // Check environment variables
+  const supabaseUrl = process.env.SUPABASE_URL;
+  const supabaseKey = process.env.SUPABASE_ANON_KEY;
+
+  if (!supabaseUrl || !supabaseKey) {
+    console.error('❌ Missing SUPABASE_URL or SUPABASE_ANON_KEY in .env file');
+    process.exit(1);
+  }
+
+  console.log('✅ Environment variables configured');
+  console.log(`   Supabase URL: ${supabaseUrl}`);
+  console.log(`   Anon Key: ${supabaseKey.substring(0, 20)}...`);
+
+  // Test 1: Track tool usage
+  console.log('\n📊 Test 1: Tracking tool usage...');
+  telemetry.trackToolUsage('search_nodes', true, 1250);
+  telemetry.trackToolUsage('get_node_info', true, 850);
+  telemetry.trackToolUsage('validate_workflow', false, 2000);
+  console.log('   ✓ Tool usage events queued');
+
+  // Test 2: Track errors
+  console.log('\n🐛 Test 2: Tracking errors...');
+  telemetry.trackError('ValidationError', 'workflow_validation', 'validate_workflow');
+  telemetry.trackError('NetworkError', 'api_call', 'n8n_create_workflow');
+  console.log('   ✓ Error events queued');
+
+  // Test 3: Track workflow creation
+  console.log('\n🔧 Test 3: Tracking workflow creation...');
+  const testWorkflow = {
+    name: 'Test Workflow',
+    nodes: [
+      {
+        id: '1',
+        name: 'Webhook',
+        type: 'n8n-nodes-base.webhook',
+        position: [100, 100],
+        parameters: {
+          path: 'test-webhook',
+          webhookUrl: 'https://n8n.example.com/webhook/abc-123-def',
+          method: 'POST',
+          authentication: 'none'
+        },
+        credentials: {
+          webhookAuth: {
+            id: 'cred-123',
+            name: 'My Webhook Auth'
+          }
+        }
+      },
+      {
+        id: '2',
+        name: 'HTTP Request',
+        type: 'n8n-nodes-base.httpRequest',
+        position: [300, 100],
+        parameters: {
+          url: 'https://api.example.com/endpoint',
+          method: 'POST',
+          authentication: 'genericCredentialType',
+          genericAuthType: 'httpHeaderAuth',
+          httpHeaders: {
+            parameters: [
+              {
+                name: 'Authorization',
+                value: 'Bearer sk-1234567890abcdef1234567890abcdef'
+              }
+            ]
+          },
+          options: {
+            timeout: 10000
+          }
+        }
+      },
+      {
+        id: '3',
+        name: 'Slack',
+        type: 'n8n-nodes-base.slack',
+        position: [500, 100],
+        parameters: {
+          channel: 'general',
+          text: 'Message sent!',
+          authentication: 'accessToken'
+        },
+        credentials: {
+          slackApi: {
+            id: 'cred-456',
+            name: 'My Slack'
+          }
+        }
+      }
+    ],
+    connections: {
+      '1': {
+        main: [[{ node: '2', type: 'main', index: 0 }]]
+      },
+      '2': {
+        main: [[{ node: '3', type: 'main', index: 0 }]]
+      }
+    },
+    settings: {
+      errorWorkflow: 'error-workflow-id',
+      saveDataErrorExecution: 'all',
+      saveDataSuccessExecution: 'none',
+      saveExecutionProgress: true,
+      saveManualExecutions: true,
+      timezone: 'America/New_York'
+    },
+    staticData: { some: 'data' },
+    pinData: { node1: 'pinned' },
+    ownedBy: 'user-123',
+    createdBy: 'user-123',
+    updatedBy: 'user-456'
+  };
+
+  // Track successful workflow
+  await telemetry.trackWorkflowCreation(testWorkflow, true);
+  console.log('   ✓ Workflow creation tracked');
+
+  // Test workflow sanitization
+  console.log('\n🔒 Test 4: Verifying workflow sanitization...');
+  const sanitized = WorkflowSanitizer.sanitizeWorkflow(testWorkflow);
+
+  // Verify sensitive data was removed
+  const sanitizedStr = JSON.stringify(sanitized);
+  const hasSensitiveData =
+    sanitizedStr.includes('sk-1234567890abcdef') ||
+    sanitizedStr.includes('cred-123') ||
+    sanitizedStr.includes('cred-456') ||
+    sanitizedStr.includes('user-123');
+
+  if (hasSensitiveData) {
+    console.error('   ❌ Sensitive data found in sanitized workflow!');
+  } else {
+    console.log('   ✓ All sensitive data removed');
+  }
+
+  console.log('   ✓ Workflow hash:', sanitized.workflowHash);
+  console.log('   ✓ Node count:', sanitized.nodeCount);
+  console.log('   ✓ Node types:', sanitized.nodeTypes);
+  console.log('   ✓ Complexity:', sanitized.complexity);
+
+  // Test 5: Track session start
+  console.log('\n🚀 Test 5: Tracking session start...');
+  telemetry.trackSessionStart();
+  console.log('   ✓ Session start tracked');
+
+  // Flush all events
+  console.log('\n💾 Flushing telemetry data to Supabase...');
+  await telemetry.flush();
+  console.log('   ✓ Data flushed to Supabase');
+
+  // Test 6: Verify data in Supabase
+  console.log('\n🔍 Test 6: Verifying data in Supabase...');
+  console.log('   Please check your Supabase dashboard to verify:');
+  console.log('   - telemetry_events table has new records');
+  console.log('   - telemetry_workflows table has the test workflow');
+  console.log('   - Views show aggregated data');
+  console.log('\n   Dashboard URL: https://supabase.com/dashboard/project/ydyufsohxdfpopqbubwk/editor');
+
+  console.log('\n✨ Telemetry integration test completed!');
+}
+
+// Run the test
+testTelemetryIntegration().catch(error => {
+  console.error('❌ Test failed:', error);
+  process.exit(1);
+});
\ No newline at end of file
diff --git a/scripts/test-telemetry-no-select.ts b/scripts/test-telemetry-no-select.ts
new file mode 100644
index 0000000..1b0af7a
--- /dev/null
+++ b/scripts/test-telemetry-no-select.ts
@@ -0,0 +1,68 @@
+#!/usr/bin/env npx tsx
+/**
+ * Test telemetry without requesting data back
+ */
+
+import { createClient } from '@supabase/supabase-js';
+import dotenv from 'dotenv';
+
+dotenv.config();
+
+async function testNoSelect() {
+  const supabaseUrl = process.env.SUPABASE_URL!;
+  const supabaseAnonKey = process.env.SUPABASE_ANON_KEY!;
+
+  console.log('🧪 Telemetry Test (No Select)\n');
+
+  const supabase = createClient(supabaseUrl, supabaseAnonKey, {
+    auth: {
+      persistSession: false,
+      autoRefreshToken: false,
+    }
+  });
+
+  // Insert WITHOUT .select() - just fire and forget
+  const testData = {
+    user_id: 'test-' + Date.now(),
+    event: 'test_event',
+    properties: { test: true }
+  };
+
+  console.log('Inserting:', testData);
+
+  const { error } = await supabase
+    .from('telemetry_events')
+    .insert([testData]);  // No .select() here!
+
+  if (error) {
+    console.error('❌ Failed:', error);
+  } else {
+    console.log('✅ Success! Data inserted (no response data)');
+  }
+
+  // Test workflow insert too
+  const testWorkflow = {
+    user_id: 'test-' + Date.now(),
+    workflow_hash: 'hash-' + Date.now(),
+    node_count: 3,
+    node_types: ['webhook', 'http', 'slack'],
+    has_trigger: true,
+    has_webhook: true,
+    complexity: 'simple',
+    sanitized_workflow: { nodes: [], connections: {} }
+  };
+
+  console.log('\nInserting workflow:', testWorkflow);
+
+  const { error: workflowError } = await supabase
+    .from('telemetry_workflows')
+    .insert([testWorkflow]);  // No .select() here!
+
+  if (workflowError) {
+    console.error('❌ Workflow failed:', workflowError);
+  } else {
+    console.log('✅ Workflow inserted successfully!');
+  }
+}
+
+testNoSelect().catch(console.error);
\ No newline at end of file
diff --git a/scripts/test-telemetry-simple.ts b/scripts/test-telemetry-simple.ts
new file mode 100644
index 0000000..0eb0995
--- /dev/null
+++ b/scripts/test-telemetry-simple.ts
@@ -0,0 +1,45 @@
+#!/usr/bin/env npx tsx
+/**
+ * Simple test to verify telemetry works
+ */
+
+import { createClient } from '@supabase/supabase-js';
+import dotenv from 'dotenv';
+
+dotenv.config();
+
+async function testSimple() {
+  const supabaseUrl = process.env.SUPABASE_URL!;
+  const supabaseAnonKey = process.env.SUPABASE_ANON_KEY!;
+
+  console.log('🧪 Simple Telemetry Test\n');
+
+  const supabase = createClient(supabaseUrl, supabaseAnonKey, {
+    auth: {
+      persistSession: false,
+      autoRefreshToken: false,
+    }
+  });
+
+  // Simple insert
+  const testData = {
+    user_id: 'simple-test-' + Date.now(),
+    event: 'test_event',
+    properties: { test: true }
+  };
+
+  console.log('Inserting:', testData);
+
+  const { data, error } = await supabase
+    .from('telemetry_events')
+    .insert([testData])
+    .select();
+
+  if (error) {
+    console.error('❌ Failed:', error);
+  } else {
+    console.log('✅ Success! Inserted:', data);
+  }
+}
+
+testSimple().catch(console.error);
\ No newline at end of file
diff --git a/src/telemetry/telemetry-manager.ts b/src/telemetry/telemetry-manager.ts
index c5db22c..b43c652 100644
--- a/src/telemetry/telemetry-manager.ts
+++ b/src/telemetry/telemetry-manager.ts
@@ -227,10 +227,12 @@ export class TelemetryManager {
       try {
         const { error } = await this.supabase
           .from('telemetry_events')
-          .insert(events);
+          .insert(events);  // No .select() - we don't need the response
 
         if (error) {
           logger.debug('Failed to flush telemetry events:', error.message);
+        } else {
+          logger.debug(`Flushed ${events.length} telemetry events`);
         }
       } catch (error) {
         logger.debug('Error flushing telemetry events:', error);
@@ -249,10 +251,12 @@ export class TelemetryManager {
           .upsert(workflows, {
             onConflict: 'workflow_hash',
             ignoreDuplicates: true,
-          });
+          });  // No .select() - we don't need the response
 
         if (error) {
           logger.debug('Failed to flush telemetry workflows:', error.message);
+        } else {
+          logger.debug(`Flushed ${workflows.length} telemetry workflows`);
         }
       } catch (error) {
         logger.debug('Error flushing telemetry workflows:', error);