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feat(say-server): add light/dark theme support #338

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Merged
ochafik merged 3 commits into from
Jan 23, 2026
Merged

feat(say-server): add light/dark theme support #338

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891799e
feat(say-server): add light/dark theme support
ochafik Jan 23, 2026
6575a7e
Merge remote-tracking branch 'origin/main' into ochafik/say-server-th…
ochafik Jan 23, 2026
86dfeee
Merge remote-tracking branch 'origin/main' into ochafik/say-server-th…
ochafik Jan 23, 2026
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31 changes: 30 additions & 1 deletion examples/say-server/server.py
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Original file line number Diff line number Diff line change
Expand Up @@ -672,13 +672,15 @@ def generate_sync():
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="color-scheme" content="light dark">
<title>Say View</title>
<script src="https://unpkg.com/@babel/[email protected]/babel.min.js"></script>
<script type="importmap">
{
"imports": {
"react": "https://esm.sh/[email protected]",
"react-dom/client": "https://esm.sh/[email protected]/client",
"@modelcontextprotocol/ext-apps": "https://esm.sh/@modelcontextprotocol/[email protected][email protected]&external=react,react-dom",
"@modelcontextprotocol/ext-apps/react": "https://esm.sh/@modelcontextprotocol/[email protected]/[email protected]&external=react,react-dom"
}
}
Expand Down Expand Up @@ -769,8 +771,14 @@ def generate_sync():
.infoPopup a:hover { text-decoration: underline; }
.infoPopup ul { margin: 0; padding-left: 16px; }
.infoPopup li { margin: 4px 0; }
/* Dark mode: host-provided theme via data-theme attribute */
[data-theme="dark"] {
--color-text-primary: #eee;
--color-text-secondary: #666;
}
/* Fallback: system preference when running standalone without host */
@media (prefers-color-scheme: dark) {
:root {
:root:not([data-theme]) {
--color-text-primary: #eee;
--color-text-secondary: #666;
}
Expand All @@ -783,6 +791,7 @@ def generate_sync():
import React, { useState, useCallback, useEffect, useRef, StrictMode } from 'react';
import { createRoot } from 'react-dom/client';
import { useApp } from '@modelcontextprotocol/ext-apps/react';
import { applyDocumentTheme, applyHostStyleVariables, applyHostFonts } from '@modelcontextprotocol/ext-apps';

function SayView() {
const [hostContext, setHostContext] = useState(undefined);
Expand Down Expand Up @@ -1251,6 +1260,16 @@ def generate_sync():
if (params.displayMode) {
setDisplayMode(params.displayMode);
}
// Apply host theme and styles
if (params.theme) {
applyDocumentTheme(params.theme);
}
if (params.styles?.variables) {
applyHostStyleVariables(params.styles.variables);
}
if (params.styles?.css?.fonts) {
applyHostFonts(params.styles.css.fonts);
}
};
},
});
Expand All @@ -1265,6 +1284,16 @@ def generate_sync():
if (ctx?.displayMode) {
setDisplayMode(ctx.displayMode);
}
// Apply initial host theme and styles
if (ctx?.theme) {
applyDocumentTheme(ctx.theme);
}
if (ctx?.styles?.variables) {
applyHostStyleVariables(ctx.styles.variables);
}
if (ctx?.styles?.css?.fonts) {
applyHostFonts(ctx.styles.css.fonts);
}
}, [app]);

// Speak lock: coordinate with other TTS Views
Expand Down
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