65a62a9fae* feat: compile example servers to JavaScript for npm consumption
Add TypeScript compilation for server code so the example packages can be
imported and used by consumers without requiring TypeScript compilation.
Changes:
- Add tsconfig.server.json to each example for compiling server code
- Update package.json exports to point to compiled dist/server/server.js
- Add types field pointing to dist/server/server.d.ts
- Update build scripts to include server compilation step
- Fix .ts import extensions to .js in customer-segmentation-server
This enables importing the createServer function from published packages:
import { createServer } from '@modelcontextprotocol/server-basic-react';
* fix: add type assertion for Nominatim API response
* chore: regenerate schemas
* refactor: split server examples into library and binary entry points
- server.ts: exports createServer() only (library entry point)
- main.ts: entry point with main() that runs the server (binary)
- package.json: adds bin field for npx support, uses inline bun build
- tsconfig.server.json: emitDeclarationOnly, outputs to dist/
This allows:
1. Importing the server as a library: import { createServer } from '@modelcontextprotocol/server-basic-react'
2. Running with npx: npx @modelcontextprotocol/server-basic-react [--stdio]
Added migration script at scripts/migrate-server-examples.ts
* refactor: migrate remaining server examples to library/binary structure
Apply the same refactoring to all 13 remaining server examples:
- scenario-modeler-server, shadertoy-server, map-server
- cohort-heatmap-server, customer-segmentation-server, video-resource-server
- system-monitor-server, budget-allocator-server, sheet-music-server
- threejs-server, integration-server, transcript-server, wiki-explorer-server
Each now has:
- server.ts: exports createServer() (library)
- main.ts: runs the server (binary with shebang)
- bin field in package.json for npx support
* chore: remove unused server-utils.ts from video-resource-server/src
* update
* fix(build): make Windows-compatible by removing chmod and fixing bun externals
- Remove 'chmod +x dist/index.js' which doesn't exist on Windows
- Add '--external ./server.js' to prevent bun from treating the import as a second entry point
* fix(build): use .ts import for bun compatibility
- Change import from './server.js' to './server.ts' in main.ts files
- Remove --external flag since bun should inline everything
- Fixes Windows build where bun couldn't resolve .js to .ts properly
* fix(build): use --external for Windows bun compatibility
Bun on Windows incorrectly treats imported .ts files as entry points.
Use --external './server.js' to work around this, creating a runtime
dependency between index.js and server.js.
* style: fix prettier formatting in pdf-server/main.ts
* fix(build): remove quotes from --external for Windows cmd.exe compatibility
* fix(build): use glob pattern for --external to work on all platforms
The literal path --external ./server.js was not matching the import.
Using glob pattern --external "./server*" correctly externalizes the server module.
* fix(build): use */server.js pattern for --external
The "./server*" pattern was not matching on Windows.
Using "*/server.js" matches any path ending in /server.js which works cross-platform.
* fix(build): use *server.js pattern without slash for Windows compatibility
* update package-lock
* chore: regenerate package-lock.json for cross-platform compatibility
* fix(build): use ./server.js instead of glob pattern for Windows compatibility
* fix(build): use double quotes for banner to fix Windows cmd.exe compatibility
---------
Co-authored-by: Olivier Chafik <ochafik@anthropic.com>
83 lines
2.1 KiB
TypeScript
83 lines
2.1 KiB
TypeScript
import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
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import type {
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CallToolResult,
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ReadResourceResult,
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} from "@modelcontextprotocol/sdk/types.js";
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import fs from "node:fs/promises";
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import path from "node:path";
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import {
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registerAppTool,
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registerAppResource,
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RESOURCE_MIME_TYPE,
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RESOURCE_URI_META_KEY,
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} from "@modelcontextprotocol/ext-apps/server";
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const DIST_DIR = path.join(import.meta.dirname, "dist");
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const RESOURCE_URI = "ui://transcript/mcp-app.html";
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/**
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* Creates a new MCP server instance with tools and resources registered.
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*/
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export function createServer(): McpServer {
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const server = new McpServer({
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name: "Transcript Server",
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version: "1.0.0",
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});
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// Register the transcribe tool - opens a UI for live speech transcription
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registerAppTool(
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server,
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"transcribe",
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{
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title: "Transcribe Speech",
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description:
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"Opens a live speech transcription interface using the Web Speech API.",
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inputSchema: {},
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_meta: { [RESOURCE_URI_META_KEY]: RESOURCE_URI },
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},
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async (): Promise<CallToolResult> => {
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return {
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content: [
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{
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type: "text",
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text: JSON.stringify({
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status: "ready",
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message: "Transcription UI opened. Speak into your microphone.",
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}),
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},
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],
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};
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},
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);
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// Register the UI resource
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registerAppResource(
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server,
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RESOURCE_URI,
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RESOURCE_URI,
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{ mimeType: RESOURCE_MIME_TYPE, description: "Transcript UI" },
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async (): Promise<ReadResourceResult> => {
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const html = await fs.readFile(
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path.join(DIST_DIR, "mcp-app.html"),
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"utf-8",
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);
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return {
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contents: [
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{
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uri: RESOURCE_URI,
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mimeType: RESOURCE_MIME_TYPE,
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text: html,
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_meta: {
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ui: {
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// Request microphone for Web Speech API, clipboard for copy button
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permissions: { microphone: {}, clipboardWrite: {} },
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},
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},
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},
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],
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};
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},
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);
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return server;
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}
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