optimized performance

app/src/App.ts

@@ -96,6 +96,7 @@ export class App<C extends Connection = Connection, Options extends AppOptions =
 
    private trigger_first_boot = false;
    private _building: boolean = false;
+   private _systemController: SystemController | null = null;
 
    constructor(
       public connection: C,
@@ -172,8 +173,8 @@ export class App<C extends Connection = Connection, Options extends AppOptions =
 
       // load system controller
       guard.registerPermissions(Object.values(SystemPermissions));
-      const systemController = new SystemController(this);
-      systemController.register(this);
+      this._systemController = new SystemController(this);
+      this._systemController.register(this);
 
       // emit built event
       $console.log("App built");
@@ -205,6 +206,10 @@ export class App<C extends Connection = Connection, Options extends AppOptions =
       return this.modules.ctx().em;
    }
 
+   get mcp() {
+      return this._systemController?._mcpServer;
+   }
+
    get fetch(): Hono["fetch"] {
       return this.server.fetch as any;
    }

app/src/cli/commands/mcp/mcp.ts

@@ -1,8 +1,7 @@
 import type { CliCommand } from "cli/types";
 import { makeAppFromEnv } from "../run";
 import { getSystemMcp } from "modules/mcp/system-mcp";
-import { $console } from "bknd/utils";
-import { stdioTransport } from "jsonv-ts/mcp";
+import { $console, stdioTransport } from "bknd/utils";
 
 export const mcp: CliCommand = (program) =>
    program

app/src/core/object/SchemaObject.ts

@@ -27,7 +27,7 @@ export class SchemaObject<Schema extends TSchema = TSchema> {
    ) {
       this._default = deepFreeze(_schema.template({}, { withOptional: true }) as any);
       this._value = deepFreeze(
-         parse(_schema, structuredClone(initial ?? {}), {
+         parse(_schema, initial ?? {}, {
             withDefaults: true,
             //withExtendedDefaults: true,
             forceParse: this.isForceParse(),

app/src/core/test/utils.ts

@@ -1,19 +1,20 @@
-import { createApp as createAppInternal, type CreateAppConfig } from "App";
-import { bunSqlite } from "adapter/bun/connection/BunSqliteConnection";
-import { Connection } from "data/connection/Connection";
-import type { getSystemMcp } from "modules/mcp/system-mcp";
+import { Connection, createApp as createAppInternal, type CreateAppConfig } from "bknd";
+import { bunSqlite } from "bknd/adapter/bun";
+import type { McpServer } from "bknd/utils";
 
-export { App } from "App";
+export { App } from "bknd";
 
 export function createApp({ connection, ...config }: CreateAppConfig = {}) {
    return createAppInternal({
       ...config,
-      connection: Connection.isConnection(connection) ? connection : bunSqlite(connection as any),
+      connection: Connection.isConnection(connection)
+         ? connection
+         : (bunSqlite(connection as any) as any),
    });
 }
 
 export function createMcpToolCaller() {
-   return async (server: ReturnType<typeof getSystemMcp>, name: string, args: any, raw?: any) => {
+   return async (server: McpServer, name: string, args: any, raw?: any) => {
       const res = await server.handle(
          {
             jsonrpc: "2.0",

app/src/core/utils/file.ts

@@ -1,7 +1,7 @@
 import { extension, guess, isMimeType } from "media/storage/mime-types-tiny";
-import { randomString } from "core/utils/strings";
+import { randomString } from "./strings";
 import type { Context } from "hono";
-import { invariant } from "core/utils/runtime";
+import { invariant } from "./runtime";
 import { $console } from "./console";
 
 export function getContentName(request: Request): string | undefined;

app/src/core/utils/index.ts

@@ -14,3 +14,4 @@ export * from "./test";
 export * from "./runtime";
 export * from "./numbers";
 export * from "./schema";
+export { DebugLogger } from "./DebugLogger";

app/src/core/utils/schema/index.ts

@@ -10,6 +10,7 @@ export {
    mcpTool,
    mcpResource,
    getMcpServer,
+   stdioTransport,
    type ToolAnnotation,
    type ToolHandlerCtx,
 } from "jsonv-ts/mcp";

app/src/core/utils/schema/secret.ts

@@ -1,6 +1,6 @@
-import { StringSchema, type IStringOptions } from "jsonv-ts";
+import { s } from "bknd/utils";
 
-export class SecretSchema<O extends IStringOptions> extends StringSchema<O> {}
+export class SecretSchema<O extends s.IStringOptions> extends s.StringSchema<O> {}
 
-export const secret = <O extends IStringOptions>(o?: O): SecretSchema<O> & O =>
+export const secret = <O extends s.IStringOptions>(o?: O): SecretSchema<O> & O =>
    new SecretSchema(o) as any;

app/src/index.ts

@@ -35,6 +35,7 @@ export type { BkndConfig } from "bknd/adapter";
 
 export * as middlewares from "modules/middlewares";
 export { registries } from "modules/registries";
+export { getSystemMcp } from "modules/mcp/system-mcp";
 
 /**
  * Core

app/src/modules/Module.ts

@@ -6,9 +6,8 @@ import type { Hono } from "hono";
 import type { ServerEnv } from "modules/Controller";
 import type { ModuleHelper } from "./ModuleHelper";
 import { SchemaObject } from "core/object/SchemaObject";
-import type { DebugLogger } from "core/utils/DebugLogger";
 import type { Guard } from "auth/authorize/Guard";
-import type { McpServer } from "bknd/utils";
+import type { McpServer, DebugLogger } from "bknd/utils";
 
 type PartialRec<T> = { [P in keyof T]?: PartialRec<T[P]> };
 

app/src/modules/ModuleManager.ts

@@ -1,8 +1,16 @@
-import { mark, stripMark, $console, s, objectEach, transformObject, McpServer } from "bknd/utils";
+import {
+   mark,
+   stripMark,
+   $console,
+   s,
+   objectEach,
+   transformObject,
+   McpServer,
+   DebugLogger,
+} from "bknd/utils";
 import { Guard } from "auth/authorize/Guard";
 import { env } from "core/env";
 import { BkndError } from "core/errors";
-import { DebugLogger } from "core/utils/DebugLogger";
 import { EventManager, Event } from "core/events";
 import * as $diff from "core/object/diff";
 import type { Connection } from "data/connection";

app/src/modules/mcp/system-mcp.ts

@@ -8,12 +8,9 @@ export function getSystemMcp(app: App) {
 
    const appConfig = app.modules.configs();
    const { version, ...appSchema } = app.getSchema();
-
    const schema = s.strictObject(appSchema);
-
-   const nodes = [...schema.walk({ data: appConfig })].filter(
-      (n) => isObject(n.schema) && mcpSchemaSymbol in n.schema,
-   ) as s.Node<McpSchema>[];
+   const result = [...schema.walk({ maxDepth: 3 })];
+   const nodes = result.filter((n) => mcpSchemaSymbol in n.schema) as s.Node<McpSchema>[];
    const tools = [
       // tools from hono routes
       ...middlewareServer.tools,

app/src/modules/server/SystemController.ts

@@ -16,6 +16,7 @@ import {
    mcpTool,
    mcp as mcpMiddleware,
    isNode,
+   type McpServer,
 } from "bknd/utils";
 import type { Context, Hono } from "hono";
 import { Controller } from "modules/Controller";
@@ -47,6 +48,8 @@ export type SchemaResponse = {
 };
 
 export class SystemController extends Controller {
+   _mcpServer: McpServer | null = null;
+
    constructor(private readonly app: App) {
       super();
    }
@@ -64,8 +67,8 @@ export class SystemController extends Controller {
 
       this.registerMcp();
 
-      const mcpServer = getSystemMcp(app);
-      mcpServer.onNotification((message) => {
+      this._mcpServer = getSystemMcp(app);
+      this._mcpServer.onNotification((message) => {
          if (message.method === "notification/message") {
             const consoleMap = {
                emergency: "error",
@@ -87,7 +90,7 @@ export class SystemController extends Controller {
 
       app.server.use(
          mcpMiddleware({
-            server: mcpServer,
+            server: this._mcpServer,
             sessionsEnabled: true,
             debug: {
                logLevel: "debug",