| Filename | Latest commit message | Latest commit date |
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231f23fd72* chore: release 0.4.0 * chore: add new examples to npm publish workflow Add map-server, shadertoy-server, and transcript-server to the publish-examples matrix. |
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| .. | ||
| src | ||
| mcp-app.html | ||
| package.json | ||
| README.md | ||
| server-utils.ts | ||
| server.ts | ||
| tsconfig.json | ||
| vite.config.ts | ||
Example: Basic Server (Preact)
An MCP App example with a Preact UI.
Tip
Looking for a vanilla JavaScript example? See
basic-server-vanillajs!
Overview
- Tool registration with a linked UI resource
- Preact UI using the
Appclass - App communication APIs:
callServerTool,sendMessage,sendLog,openLink
Key Files
server.ts- MCP server with tool and resource registrationmcp-app.html/src/mcp-app.tsx- Preact UI usingAppclass
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.