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Drop the MCP Durable Object from the SSR app graph #1696

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Merged
RhysSullivan merged 1 commit into from
Aug 19, 2026
Merged

Drop the MCP Durable Object from the SSR app graph #1696

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9 changes: 2 additions & 7 deletions apps/cloud/src/app.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,6 @@ import { ApiKeyService } from "./auth/api-keys";
import { cloudIdentityFailureStrategy, workosIdentityLayer } from "./auth/workos-auth-provider";
import { DbService } from "./db/db";
import { cloudMcpAuth } from "./mcp";
import { McpSessionDOSqlite } from "./mcp/session-durable-object";
import { ErrorCaptureLive } from "./observability";
import { AutumnService } from "./extensions/billing/service";
import {
Expand All @@ -31,7 +30,7 @@ import { WorkerTelemetryLive } from "./observability/telemetry";
// The whole scenario in 60 seconds: WorkOS identity (api-key Bearer OR sealed-
// session cookie, api-key wins) over a per-request Hyperdrive→Postgres socket,
// the Cloudflare dynamic-worker code substrate, MCP served by a Durable-Object
// session store (the DO surfaced via `config.mcpExport`), console+Sentry error
// session store (the DO class is exported straight from server.ts), console+Sentry error
// capture — and Autumn BILLING entering ONLY as extensions: the engine
// metering decorator, the account seat-gate, the `/api/billing/*` proxy route,
// and the createOrganization free-limit gate. `diff` against
Expand Down Expand Up @@ -66,7 +65,7 @@ const controlPlane = Layer.mergeAll(CoreSharedServices, apiKeyService);
// satisfied by `boot`, `DbService` per request via `requestScoped`).
const cloudDb: Layer.Layer<DbProvider, never, DbService | AutumnService> = CloudDbProvider;

const { appLayer, toWebHandler, mcpExport } = ExecutorApp.make({
const { appLayer, toWebHandler } = ExecutorApp.make({
plugins: cloudPlugins,
providers: {
// Identity: the NEUTRAL `IdentityProvider`. WorkOS api-key Bearer BEATS
Expand Down Expand Up @@ -112,7 +111,6 @@ const { appLayer, toWebHandler, mcpExport } = ExecutorApp.make({
failure: cloudIdentityFailureStrategy,
// The MCP session Durable Object class — a top-level Workers export a Layer
// can't return; surfaced so `server.ts` can re-export it.
mcpExport: McpSessionDOSqlite,
},
// The long-lived (boot-scoped) context provideMerge'd under everything: the
// WorkOS control plane (the raw `WorkOSClient` + `ApiKeyService` the per-request
Expand All @@ -135,10 +133,7 @@ const { appLayer, toWebHandler, mcpExport } = ExecutorApp.make({
requestScoped: RequestScopedServicesLive,
});

export { McpSessionDOSqlite };

export const CloudAppLayer = appLayer;
export const cloudMcpExport = mcpExport;

// The unified cloud web handler: serves /api/* (incl. /api/billing/*, /api/docs),
// /mcp, /.well-known/* — everything the worker dispatches.
Expand Down
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