// Selfhost-only: on a multi-method MCP integration, the connection's CHOSEN// method is what renders the credential on the wire. A real MCP test server// (in this test process — the selfhost dev server dials it over loopback)// only accepts `Authorization: Bearer <token>`. The integration declares BOTH// OAuth and a bearer-header method; a connection created through the header// method must discover the server's tools, and the recorded requests must// carry the rendered header — proving template selection by slug, not by// "whatever the config says".import { randomBytes } from "node:crypto";import { expect } from "@effect/vitest";import { Effect } from "effect";import { composePluginApi } from "@executor-js/api/server";import { mcpHttpPlugin } from "@executor-js/plugin-mcp/api";import { makeGreetingMcpServer, serveMcpServer } from "@executor-js/plugin-mcp/testing";import { AuthTemplateSlug, ConnectionName, IntegrationSlug } from "@executor-js/sdk/shared";import { scenario } from "../src/scenario";const api = composePluginApi([mcpHttpPlugin()] as const);scenario( "Auth methods · the connection's chosen method renders the credential on the wire", { needs: ["api"] }, (ctx) => Effect.scoped( Effect.gen(function* () { const token = `e2e-key-${randomBytes(6).toString("hex")}`; const server = yield* serveMcpServer(() => makeGreetingMcpServer(), { auth: { validateAuthorization: (authorization) => Effect.succeed(authorization === `Bearer ${token}`), }, }); const identity = yield* ctx.target.newIdentity(); const client = yield* ctx.api.client(api, identity); const slug = freshSlug("mcp-wire-auth"); // Two declared methods — the connection must pick the right one. yield* client.mcp.addServer({ payload: { transport: "remote", name: "Wire-auth MCP", endpoint: server.endpoint, slug, authenticationTemplate: [ { kind: "oauth2" }, { type: "apiKey", headers: { Authorization: ["Bearer ", { type: "variable", name: "token" }] }, }, ], }, }); yield* Effect.gen(function* () { // Create the connection through the HEADER method (template slug // "header") with a pasted key. Tool discovery dials the server with // the rendered credential at create time. yield* client.connections.create({ payload: { owner: "org", name: ConnectionName.make("wire-auth-key"), integration: IntegrationSlug.make(slug), template: AuthTemplateSlug.make("header"), value: token, }, }); const tools = yield* client.tools.list(); const mine = tools.filter((tool) => String(tool.integration) === slug); expect( mine.map((tool) => String(tool.name)).join(", "), "discovery through the header method found the server's tool", ).toContain("simple_echo"); const requests = yield* server.requests; expect( requests.some((request) => request.authorization === `Bearer ${token}`), "the server saw the credential rendered through the chosen method", ).toBe(true); }).pipe( Effect.ensuring( client.mcp .removeServer({ params: { slug: IntegrationSlug.make(slug) } }) .pipe(Effect.ignore), ), ); }), ),);const freshSlug = (prefix: string): string => `${prefix}-${randomBytes(4).toString("hex")}`;
// Selfhost-only: on a multi-method MCP integration, the connection's CHOSEN
// method is what renders the credential on the wire. A real MCP test server
// (in this test process — the selfhost dev server dials it over loopback)
// only accepts `Authorization: Bearer <token>`. The integration declares BOTH
// OAuth and a bearer-header method; a connection created through the header
// method must discover the server's tools, and the recorded requests must
// carry the rendered header — proving template selection by slug, not by
// "whatever the config says".
import { randomBytes } from "node:crypto";
import { expect } from "@effect/vitest";
import { Effect } from "effect";
import { composePluginApi } from "@executor-js/api/server";
import { mcpHttpPlugin } from "@executor-js/plugin-mcp/api";
import { makeGreetingMcpServer, serveMcpServer } from "@executor-js/plugin-mcp/testing";
import { AuthTemplateSlug, ConnectionName, IntegrationSlug } from "@executor-js/sdk/shared";
import { scenario } from "../src/scenario";
const api = composePluginApi([mcpHttpPlugin()] as const);
scenario(
"Auth methods · the connection's chosen method renders the credential on the wire",
{ needs: ["api"] },
(ctx) =>
Effect.scoped(
Effect.gen(function* () {
const token = `e2e-key-${randomBytes(6).toString("hex")}`;
const server = yield* serveMcpServer(() => makeGreetingMcpServer(), {
auth: {
validateAuthorization: (authorization) =>
Effect.succeed(authorization === `Bearer ${token}`),
},
});
const identity = yield* ctx.target.newIdentity();
const client = yield* ctx.api.client(api, identity);
const slug = freshSlug("mcp-wire-auth");
// Two declared methods — the connection must pick the right one.
yield* client.mcp.addServer({
payload: {
transport: "remote",
name: "Wire-auth MCP",
endpoint: server.endpoint,
slug,
authenticationTemplate: [
{ kind: "oauth2" },
{
type: "apiKey",
headers: { Authorization: ["Bearer ", { type: "variable", name: "token" }] },
},
],
},
});
yield* Effect.gen(function* () {
// Create the connection through the HEADER method (template slug
// "header") with a pasted key. Tool discovery dials the server with
// the rendered credential at create time.
yield* client.connections.create({
payload: {
owner: "org",
name: ConnectionName.make("wire-auth-key"),
integration: IntegrationSlug.make(slug),
template: AuthTemplateSlug.make("header"),
value: token,
},
});
const tools = yield* client.tools.list();
const mine = tools.filter((tool) => String(tool.integration) === slug);
expect(
mine.map((tool) => String(tool.name)).join(", "),
"discovery through the header method found the server's tool",
).toContain("simple_echo");
const requests = yield* server.requests;
expect(
requests.some((request) => request.authorization === `Bearer ${token}`),
"the server saw the credential rendered through the chosen method",
).toBe(true);
}).pipe(
Effect.ensuring(
client.mcp
.removeServer({ params: { slug: IntegrationSlug.make(slug) } })
.pipe(Effect.ignore),
),
);
}),
),
);
const freshSlug = (prefix: string): string => `${prefix}-${randomBytes(4).toString("hex")}`;