refactor(client,server): move stdio transports to ./stdio subpath export (#1871)

Co-authored-by: Konstantin Konstantinov <KKonstantinov@users.noreply.github.com>

examples/client-quickstart/src/index.ts

@@ -1,6 +1,7 @@
 //#region prelude
 import Anthropic from '@anthropic-ai/sdk';
-import { Client, StdioClientTransport } from '@modelcontextprotocol/client';
+import { Client } from '@modelcontextprotocol/client';
+import { StdioClientTransport } from '@modelcontextprotocol/client/stdio';
 import readline from 'readline/promises';
 
 const ANTHROPIC_MODEL = 'claude-sonnet-4-5';

examples/client-quickstart/tsconfig.json

@@ -12,6 +12,7 @@
         "forceConsistentCasingInFileNames": true,
         "paths": {
             "@modelcontextprotocol/client": ["./node_modules/@modelcontextprotocol/client/src/index.ts"],
+            "@modelcontextprotocol/client/stdio": ["./node_modules/@modelcontextprotocol/client/src/stdio.ts"],
             "@modelcontextprotocol/client/_shims": ["./node_modules/@modelcontextprotocol/client/src/shimsNode.ts"],
             "@modelcontextprotocol/core": [
                 "./node_modules/@modelcontextprotocol/client/node_modules/@modelcontextprotocol/core/src/index.ts"

examples/client/src/clientGuide.examples.ts

@@ -21,9 +21,9 @@ import {
     SdkError,
     SdkErrorCode,
     SSEClientTransport,
-    StdioClientTransport,
     StreamableHTTPClientTransport
 } from '@modelcontextprotocol/client';
+import { StdioClientTransport } from '@modelcontextprotocol/client/stdio';
 //#endregion imports
 
 // ---------------------------------------------------------------------------

examples/client/tsconfig.json

@@ -6,6 +6,7 @@
         "paths": {
             "*": ["./*"],
             "@modelcontextprotocol/client": ["./node_modules/@modelcontextprotocol/client/src/index.ts"],
+            "@modelcontextprotocol/client/stdio": ["./node_modules/@modelcontextprotocol/client/src/stdio.ts"],
             "@modelcontextprotocol/client/_shims": ["./node_modules/@modelcontextprotocol/client/src/shimsNode.ts"],
             "@modelcontextprotocol/core": [
                 "./node_modules/@modelcontextprotocol/client/node_modules/@modelcontextprotocol/core/src/index.ts"

examples/server-quickstart/src/index.ts

@@ -1,5 +1,6 @@
 //#region prelude
-import { McpServer, StdioServerTransport } from '@modelcontextprotocol/server';
+import { McpServer } from '@modelcontextprotocol/server';
+import { StdioServerTransport } from '@modelcontextprotocol/server/stdio';
 import * as z from 'zod/v4';
 
 const NWS_API_BASE = 'https://api.weather.gov';

examples/server-quickstart/tsconfig.json

@@ -11,6 +11,7 @@
         "forceConsistentCasingInFileNames": true,
         "paths": {
             "@modelcontextprotocol/server": ["./node_modules/@modelcontextprotocol/server/src/index.ts"],
+            "@modelcontextprotocol/server/stdio": ["./node_modules/@modelcontextprotocol/server/src/stdio.ts"],
             "@modelcontextprotocol/server/_shims": ["./node_modules/@modelcontextprotocol/server/src/shimsNode.ts"],
             "@modelcontextprotocol/core": [
                 "./node_modules/@modelcontextprotocol/server/node_modules/@modelcontextprotocol/core/src/index.ts"

examples/server/src/arktypeExample.ts

@@ -4,7 +4,8 @@
  * ArkType implements the Standard Schema spec with built-in JSON Schema conversion.
  */
 
-import { McpServer, StdioServerTransport } from '@modelcontextprotocol/server';
+import { McpServer } from '@modelcontextprotocol/server';
+import { StdioServerTransport } from '@modelcontextprotocol/server/stdio';
 import { type } from 'arktype';
 
 const server = new McpServer({

examples/server/src/mcpServerOutputSchema.ts

@@ -4,7 +4,8 @@
  * This demonstrates how to easily create tools with structured output
  */
 
-import { McpServer, StdioServerTransport } from '@modelcontextprotocol/server';
+import { McpServer } from '@modelcontextprotocol/server';
+import { StdioServerTransport } from '@modelcontextprotocol/server/stdio';
 import * as z from 'zod/v4';
 
 const server = new McpServer({

examples/server/src/serverGuide.examples.ts

@@ -13,7 +13,8 @@ import { randomUUID } from 'node:crypto';
 import { createMcpExpressApp } from '@modelcontextprotocol/express';
 import { NodeStreamableHTTPServerTransport } from '@modelcontextprotocol/node';
 import type { CallToolResult, ResourceLink } from '@modelcontextprotocol/server';
-import { completable, McpServer, ResourceTemplate, StdioServerTransport } from '@modelcontextprotocol/server';
+import { completable, McpServer, ResourceTemplate } from '@modelcontextprotocol/server';
+import { StdioServerTransport } from '@modelcontextprotocol/server/stdio';
 import * as z from 'zod/v4';
 //#endregion imports
 

examples/server/src/toolWithSampleServer.ts

@@ -1,6 +1,7 @@
 // Run with: pnpm tsx src/toolWithSampleServer.ts
 
-import { McpServer, StdioServerTransport } from '@modelcontextprotocol/server';
+import { McpServer } from '@modelcontextprotocol/server';
+import { StdioServerTransport } from '@modelcontextprotocol/server/stdio';
 import * as z from 'zod/v4';
 
 const mcpServer = new McpServer({

examples/server/src/valibotExample.ts

@@ -5,7 +5,8 @@
  * StandardJSONSchemaV1-compliant schemas.
  */
 
-import { McpServer, StdioServerTransport } from '@modelcontextprotocol/server';
+import { McpServer } from '@modelcontextprotocol/server';
+import { StdioServerTransport } from '@modelcontextprotocol/server/stdio';
 import { toStandardJsonSchema } from '@valibot/to-json-schema';
 import * as v from 'valibot';
 

examples/server/tsconfig.json

@@ -6,6 +6,7 @@
         "paths": {
             "*": ["./*"],
             "@modelcontextprotocol/server": ["./node_modules/@modelcontextprotocol/server/src/index.ts"],
+            "@modelcontextprotocol/server/stdio": ["./node_modules/@modelcontextprotocol/server/src/stdio.ts"],
             "@modelcontextprotocol/server/_shims": ["./node_modules/@modelcontextprotocol/server/src/shimsNode.ts"],
             "@modelcontextprotocol/express": ["./node_modules/@modelcontextprotocol/express/src/index.ts"],
             "@modelcontextprotocol/node": ["./node_modules/@modelcontextprotocol/node/src/index.ts"],