ext-apps/examples/qr-server/widget.html
Olivier Chafik bea0ae27f5
feat: add server helpers, make connect() to default to parent post transport (#165)
* feat: add server helpers and optional connect() transport

Add `src/server/` with convenience functions for registering MCP App tools
and resources:

- `registerAppTool(server, name, config, handler)`
- `registerAppResource(server, name, uri, config, callback)`

The `transport` parameter in `App.connect()` is now optional, defaulting to
`PostMessageTransport(window.parent)`.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* Update src/server/index.ts

Co-authored-by: Jonathan Hefner <jonathan@hefner.pro>

* fix: refine server helper types

- Make RESOURCE_URI_META_KEY required in McpUiAppToolConfig (tools need a UI resource)
- Make _meta optional in McpUiAppResourceConfig (not all resources need custom metadata)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* refactor: simplify RESOURCE_URI_META_KEY re-export

* refactor: consolidate export statements

---------

Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Jonathan Hefner <jonathan@hefner.pro>
2025-12-16 21:25:26 +00:00

53 lines
1.3 KiB
HTML

<!DOCTYPE html>
<html>
<head>
<meta name="color-scheme" content="light dark">
<style>
html, body {
margin: 0;
padding: 0;
overflow: hidden;
background: transparent;
}
body {
display: flex;
justify-content: center;
align-items: center;
height: 340px;
width: 340px;
}
img {
width: 300px;
height: 300px;
border-radius: 8px;
box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
</style>
</head>
<body>
<div id="qr"></div>
<script type="module">
import { App, PostMessageTransport } from "https://unpkg.com/@modelcontextprotocol/ext-apps@0.0.1";
const app = new App({ name: "QR Widget", version: "1.0.0" });
app.ontoolresult = ({ content }) => {
const img = content?.find(c => c.type === 'image');
if (img) {
const qrDiv = document.getElementById('qr');
qrDiv.innerHTML = '';
const allowedTypes = ['image/png', 'image/jpeg', 'image/gif'];
const mimeType = allowedTypes.includes(img.mimeType) ? img.mimeType : 'image/png';
const image = document.createElement('img');
image.src = `data:${mimeType};base64,${img.data}`;
image.alt = "QR Code";
qrDiv.appendChild(image);
}
};
await app.connect();
</script>
</body>
</html>