feat(MCP Server Trigger Node): Add MCP Server Trigger node to expose tools to MCP clients (#14403)

Co-authored-by: कारतोफ्फेलस्क्रिप्ट™ <aditya@netroy.in>

packages/nodes-base/nodes/Form/Form.node.ts

@@ -283,7 +283,7 @@ export class Form extends Node {
 				path: '',
 				restartWebhook: true,
 				isFullPath: true,
-				isForm: true,
+				nodeType: 'form',
 			},
 			{
 				name: 'default',
@@ -292,7 +292,7 @@ export class Form extends Node {
 				path: '',
 				restartWebhook: true,
 				isFullPath: true,
-				isForm: true,
+				nodeType: 'form',
 			},
 		],
 		properties: [

packages/nodes-base/nodes/Form/v2/FormTriggerV2.node.ts

@@ -52,7 +52,7 @@ const descriptionV2: INodeTypeDescription = {
 			isFullPath: true,
 			path: '={{ $parameter["path"] || $parameter["options"]?.path || $webhookId }}',
 			ndvHideUrl: true,
-			isForm: true,
+			nodeType: 'form',
 		},
 		{
 			name: 'default',
@@ -62,7 +62,7 @@ const descriptionV2: INodeTypeDescription = {
 			isFullPath: true,
 			path: '={{ $parameter["path"] || $parameter["options"]?.path || $webhookId }}',
 			ndvHideMethod: true,
-			isForm: true,
+			nodeType: 'form',
 		},
 	],
 	eventTriggerDescription: 'Waiting for you to submit the form',

packages/nodes-base/nodes/Wait/Wait.node.ts

@@ -256,7 +256,7 @@ export class Wait extends Webhook {
 				path: webhookPath,
 				restartWebhook: true,
 				isFullPath: true,
-				isForm: true,
+				nodeType: 'form',
 			},
 			{
 				name: 'default',
@@ -266,7 +266,7 @@ export class Wait extends Webhook {
 				path: webhookPath,
 				restartWebhook: true,
 				isFullPath: true,
-				isForm: true,
+				nodeType: 'form',
 			},
 		],
 		properties: [

packages/nodes-base/nodes/Webhook/utils.ts

@@ -208,6 +208,20 @@ export async function validateWebhookAuthentication(
 			// Provided authentication data is wrong
 			throw new WebhookAuthorizationError(403);
 		}
+	} else if (authentication === 'bearerAuth') {
+		let expectedAuth: ICredentialDataDecryptedObject | undefined;
+		try {
+			expectedAuth = await ctx.getCredentials<ICredentialDataDecryptedObject>('httpBearerAuth');
+		} catch {}
+
+		const expectedToken = expectedAuth?.token as string;
+		if (!expectedToken) {
+			throw new WebhookAuthorizationError(500, 'No authentication data defined on node!');
+		}
+
+		if (headers.authorization !== `Bearer ${expectedToken}`) {
+			throw new WebhookAuthorizationError(403);
+		}
 	} else if (authentication === 'headerAuth') {
 		// Special header with value is needed to call webhook
 		let expectedAuth: ICredentialDataDecryptedObject | undefined;