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4ca20f21c4* Restructure threejs-server README to match marketing examples - Update title format to "Example: Three.js App" - Constrain screenshot width using table layout - Add Features section with key capabilities - Reorganize Running section with Tool Input subsection - Add Architecture section describing server and app components - Remove implementation-focused sections (WidgetProps, Creating a New Widget) 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * Add bun as devDependency to example packages npm install now automatically installs bun, eliminating the need for separate installation instructions. Removed manual bun install step from customer-segmentation-server README. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * Add start:http and start:stdio npm scripts to examples For the 6 examples supporting --stdio transport, add explicit scripts: - serve:http / serve:stdio for running the server - start:http / start:stdio for build + serve - start now aliases to start:http for backward compatibility Update READMEs to document both transport options. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * Default basic-host SERVERS to localhost:3001/mcp - Change threejs-server default port from 3109 to 3001 for consistency - Add default SERVERS value in basic-host serve.ts - Document SERVERS env var in basic-host README 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * Improve Examples section in README Frame the three basic examples as foundational starting points and add a link to the examples directory for additional demo apps. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> --------- Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com> |
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Example: Basic Server (React)
An MCP App example with a React UI.
Tip
Looking for a vanilla JavaScript example? See
basic-server-vanillajs!
Overview
- Tool registration with a linked UI resource
- React UI using the
useApp()hook - App communication APIs:
callServerTool,sendMessage,sendLog,sendOpenLink
Key Files
server.ts- MCP server with tool and resource registrationmcp-app.html/src/mcp-app.tsx- React UI usinguseApp()hook
Getting Started
npm install
npm run dev
How It Works
- The server registers a
get-timetool with metadata linking it to a UI HTML resource (ui://get-time/mcp-app.html). - When the tool is invoked, the Host renders the UI from the resource.
- The UI uses the MCP App SDK API to communicate with the host and call server tools.