first commit

packages/@n8n/nodes-langchain/nodes/vendors/Anthropic/methods/index.ts

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+export * as listSearch from './listSearch';

packages/@n8n/nodes-langchain/nodes/vendors/Anthropic/methods/listSearch.test.ts

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+import { mock } from 'jest-mock-extended';
+import type { ILoadOptionsFunctions } from 'n8n-workflow';
+
+import { modelSearch } from './listSearch';
+import * as transport from '../transport';
+
+const mockResponse = {
+	data: [
+		{
+			id: 'claude-opus-4-20250514',
+		},
+		{
+			id: 'claude-sonnet-4-20250514',
+		},
+	],
+};
+
+describe('Anthropic -> listSearch', () => {
+	const mockExecuteFunctions = mock<ILoadOptionsFunctions>();
+	const apiRequestMock = jest.spyOn(transport, 'apiRequest');
+
+	beforeEach(() => {
+		jest.clearAllMocks();
+	});
+
+	describe('modelSearch', () => {
+		it('should return all models', async () => {
+			apiRequestMock.mockResolvedValue(mockResponse);
+
+			const result = await modelSearch.call(mockExecuteFunctions);
+
+			expect(result).toEqual({
+				results: [
+					{
+						name: 'claude-opus-4-20250514',
+						value: 'claude-opus-4-20250514',
+					},
+					{
+						name: 'claude-sonnet-4-20250514',
+						value: 'claude-sonnet-4-20250514',
+					},
+				],
+			});
+		});
+
+		it('should return filtered models', async () => {
+			apiRequestMock.mockResolvedValue(mockResponse);
+
+			const result = await modelSearch.call(mockExecuteFunctions, 'sonnet');
+
+			expect(result).toEqual({
+				results: [
+					{
+						name: 'claude-sonnet-4-20250514',
+						value: 'claude-sonnet-4-20250514',
+					},
+				],
+			});
+		});
+	});
+});

packages/@n8n/nodes-langchain/nodes/vendors/Anthropic/methods/listSearch.ts

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+import type { ILoadOptionsFunctions, INodeListSearchResult } from 'n8n-workflow';
+
+import { apiRequest } from '../transport';
+
+export async function modelSearch(
+	this: ILoadOptionsFunctions,
+	filter?: string,
+): Promise<INodeListSearchResult> {
+	const response = (await apiRequest.call(this, 'GET', '/v1/models')) as {
+		data: Array<{ id: string }>;
+	};
+
+	let models = response.data;
+	if (filter) {
+		models = models.filter((model) => model.id.toLowerCase().includes(filter.toLowerCase()));
+	}
+
+	return {
+		results: models.map((model) => ({
+			name: model.id,
+			value: model.id,
+		})),
+	};
+}