From cd8903c01906f81f3f86f72b5fef8166dab16a77 Mon Sep 17 00:00:00 2001
From: TheSethRose <admin@sethrose.dev>
Date: Tue, 1 Jul 2025 18:36:56 -0500
Subject: [PATCH] Fix MCP schema validation for Cursor Desktop compatibility

- Add additionalProperties: true to workflow nodes schema in n8n_update_full_workflow tool
- Resolves 'additional properties not allowed' errors in Cursor Desktop
- Improves MCP tool reliability for workflow management operations
---
 src/mcp/tools-n8n-manager.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/mcp/tools-n8n-manager.ts b/src/mcp/tools-n8n-manager.ts
index aaaabd9..3cc2070 100644
--- a/src/mcp/tools-n8n-manager.ts
+++ b/src/mcp/tools-n8n-manager.ts
@@ -140,7 +140,11 @@ export const n8nManagementTools: ToolDefinition[] = [
         },
         nodes: { 
           type: 'array', 
-          description: 'Complete array of workflow nodes (required if modifying workflow structure)' 
+          description: 'Complete array of workflow nodes (required if modifying workflow structure)',
+          items: {
+            type: 'object',
+            additionalProperties: true
+          }
         },
         connections: { 
           type: 'object',