MCPX MCP Gateway

import { getTestHarness, transportTypes } from "./utils.js"; describe.each(transportTypes)("%s Router", (transportType) => { const testHarness = getTestHarness(); const client = testHarness.client; beforeAll(async () => { await testHarness.initialize(transportType); }); afterAll(async () => { await testHarness.shutdown(); }); it("responds to listTools requests from end-client by listing target MCP server", async () => { const res = await client.listTools(); expect(res.tools).toMatchSnapshot(); }); it("passes callTool requests from end-client to target MCP servers", async () => { const resEcho = await client.callTool({ name: "echo-service__echo", arguments: { message: "The sound of silence?" }, }); expect(resEcho).toMatchSnapshot(); const resAddition = await client.callTool({ name: "calculator-service__add", arguments: { a: 5, b: 2 }, }); expect(resAddition).toMatchSnapshot(); const resPowerOfTwo = await client.callTool({ name: "calculator-service__powerOfTwo", arguments: { base: 4 }, }); expect(resPowerOfTwo).toMatchSnapshot(); }); });