diff --git a/tests/integration/community/community-nodes-integration.test.ts b/tests/integration/community/community-nodes-integration.test.ts
index 90c8262..2ac1b85 100644
--- a/tests/integration/community/community-nodes-integration.test.ts
+++ b/tests/integration/community/community-nodes-integration.test.ts
@@ -87,7 +87,7 @@ class InMemoryDatabaseAdapter implements DatabaseAdapter {
 
 class InMemoryPreparedStatement implements PreparedStatement {
   run = vi.fn((...params: any[]): RunResult => {
-    if (this.sql.includes('INSERT OR REPLACE INTO nodes')) {
+    if (this.sql.includes('INSERT INTO nodes')) {
       const node = this.paramsToNode(params);
       this.adapter.saveNode(node);
       return { changes: 1, lastInsertRowid: 1 };
diff --git a/tests/integration/n8n-api/scripts/cleanup-non-test-workflows.ts b/tests/integration/n8n-api/scripts/cleanup-non-test-workflows.ts
new file mode 100644
index 0000000..149c2aa
--- /dev/null
+++ b/tests/integration/n8n-api/scripts/cleanup-non-test-workflows.ts
@@ -0,0 +1,115 @@
+#!/usr/bin/env tsx
+/**
+ * Cleanup Non-Test Workflows
+ *
+ * Deletes all workflows from the n8n test instance EXCEPT those
+ * with "[TEST]" in the name. This helps keep the test instance
+ * clean and prevents list endpoint pagination issues.
+ *
+ * Usage:
+ *   npx tsx tests/integration/n8n-api/scripts/cleanup-non-test-workflows.ts
+ *   npx tsx tests/integration/n8n-api/scripts/cleanup-non-test-workflows.ts --dry-run
+ */
+
+import { getN8nCredentials, validateCredentials } from '../utils/credentials';
+
+const DRY_RUN = process.argv.includes('--dry-run');
+
+interface Workflow {
+  id: string;
+  name: string;
+  active: boolean;
+}
+
+async function fetchAllWorkflows(baseUrl: string, apiKey: string): Promise<Workflow[]> {
+  const all: Workflow[] = [];
+  let cursor: string | undefined;
+
+  while (true) {
+    const url = new URL('/api/v1/workflows', baseUrl);
+    url.searchParams.set('limit', '100');
+    if (cursor) url.searchParams.set('cursor', cursor);
+
+    const res = await fetch(url.toString(), {
+      headers: { 'X-N8N-API-KEY': apiKey }
+    });
+
+    if (!res.ok) {
+      throw new Error(`Failed to list workflows: ${res.status} ${res.statusText}`);
+    }
+
+    const body = await res.json() as { data: Workflow[]; nextCursor?: string };
+    all.push(...body.data);
+
+    if (!body.nextCursor) break;
+    cursor = body.nextCursor;
+  }
+
+  return all;
+}
+
+async function deleteWorkflow(baseUrl: string, apiKey: string, id: string): Promise<void> {
+  const res = await fetch(`${baseUrl}/api/v1/workflows/${id}`, {
+    method: 'DELETE',
+    headers: { 'X-N8N-API-KEY': apiKey }
+  });
+
+  if (!res.ok) {
+    throw new Error(`Failed to delete workflow ${id}: ${res.status} ${res.statusText}`);
+  }
+}
+
+async function main() {
+  const creds = getN8nCredentials();
+  validateCredentials(creds);
+
+  console.log(`n8n Instance: ${creds.url}`);
+  console.log(`Mode: ${DRY_RUN ? 'DRY RUN' : 'LIVE DELETE'}\n`);
+
+  const workflows = await fetchAllWorkflows(creds.url, creds.apiKey);
+  console.log(`Total workflows found: ${workflows.length}\n`);
+
+  const toKeep = workflows.filter(w => w.name.includes('[TEST]'));
+  const toDelete = workflows.filter(w => !w.name.includes('[TEST]'));
+
+  console.log(`Keeping (${toKeep.length}):`);
+  for (const w of toKeep) {
+    console.log(`  ✅ ${w.id} - ${w.name}`);
+  }
+
+  console.log(`\nDeleting (${toDelete.length}):`);
+  for (const w of toDelete) {
+    console.log(`  🗑️  ${w.id} - ${w.name}${w.active ? ' (ACTIVE)' : ''}`);
+  }
+
+  if (DRY_RUN) {
+    console.log('\nDry run complete. No workflows were deleted.');
+    return;
+  }
+
+  if (toDelete.length === 0) {
+    console.log('\nNothing to delete.');
+    return;
+  }
+
+  console.log(`\nDeleting ${toDelete.length} workflows...`);
+  let deleted = 0;
+  let failed = 0;
+
+  for (const w of toDelete) {
+    try {
+      await deleteWorkflow(creds.url, creds.apiKey, w.id);
+      deleted++;
+    } catch (err) {
+      console.error(`  Failed to delete ${w.id} (${w.name}): ${err}`);
+      failed++;
+    }
+  }
+
+  console.log(`\nDone! Deleted: ${deleted}, Failed: ${failed}, Kept: ${toKeep.length}`);
+}
+
+main().catch(err => {
+  console.error('Fatal error:', err);
+  process.exit(1);
+});
diff --git a/tests/unit/database/node-repository-community.test.ts b/tests/unit/database/node-repository-community.test.ts
index 5afd132..624cbd3 100644
--- a/tests/unit/database/node-repository-community.test.ts
+++ b/tests/unit/database/node-repository-community.test.ts
@@ -120,7 +120,7 @@ class MockPreparedStatement implements PreparedStatement {
     }
 
     // saveNode - INSERT OR REPLACE
-    if (this.sql.includes('INSERT OR REPLACE INTO nodes')) {
+    if (this.sql.includes('INSERT INTO nodes')) {
       this.run = vi.fn((...params: any[]): RunResult => {
         const nodes = this.mockData.get('community_nodes') || [];
         const nodeType = params[0];
diff --git a/tests/unit/database/node-repository-core.test.ts b/tests/unit/database/node-repository-core.test.ts
index 9359a4f..ce8a311 100644
--- a/tests/unit/database/node-repository-core.test.ts
+++ b/tests/unit/database/node-repository-core.test.ts
@@ -91,7 +91,7 @@ describe('NodeRepository - Core Functionality', () => {
       repository.saveNode(parsedNode);
 
       // Verify prepare was called with correct SQL
-      expect(mockAdapter.prepare).toHaveBeenCalledWith(expect.stringContaining('INSERT OR REPLACE INTO nodes'));
+      expect(mockAdapter.prepare).toHaveBeenCalledWith(expect.stringContaining('INSERT INTO nodes'));
 
       // Get the prepared statement and verify run was called
       const stmt = mockAdapter._getStatement(mockAdapter.prepare.mock.lastCall?.[0] || '');
diff --git a/tests/unit/database/node-repository-outputs.test.ts b/tests/unit/database/node-repository-outputs.test.ts
index d609904..2d96364 100644
--- a/tests/unit/database/node-repository-outputs.test.ts
+++ b/tests/unit/database/node-repository-outputs.test.ts
@@ -56,7 +56,7 @@ describe('NodeRepository - Outputs Handling', () => {
       repository.saveNode(node);
 
       expect(mockDb.prepare).toHaveBeenCalledWith(`
-      INSERT OR REPLACE INTO nodes (
+      INSERT INTO nodes (
         node_type, package_name, display_name, description,
         category, development_style, is_ai_tool, is_trigger,
         is_webhook, is_versioned, is_tool_variant, tool_variant_of,