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packages/@n8n/eslint-config/src/rules/no-unused-param-catch-clause.ts

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+import { ESLintUtils } from '@typescript-eslint/utils';
+
+export const NoUnusedParamInCatchClauseRule = ESLintUtils.RuleCreator.withoutDocs({
+	meta: {
+		type: 'problem',
+		docs: {
+			description: 'Unused param in catch clause must be omitted.',
+		},
+		messages: {
+			removeUnusedParam: 'Remove unused param in catch clause',
+		},
+		fixable: 'code',
+		schema: [],
+	},
+	defaultOptions: [],
+	create(context) {
+		return {
+			CatchClause(node) {
+				if (node.param?.type === 'Identifier' && node.param.name.startsWith('_')) {
+					const start = node.range[0] + 'catch '.length;
+					const end = node.param.range[1] + '()'.length;
+
+					context.report({
+						messageId: 'removeUnusedParam',
+						node,
+						fix: (fixer) => fixer.removeRange([start, end]),
+					});
+				}
+			},
+		};
+	},
+});