Build your personal daily brief

{{ $('Brief on demand').isExecuted ? $('Brief on demand').first().json.Topic : 'AI agents, Gemini, n8n' }}

https://github.com/{{ $('My settings').first().json.github_repo }}/releases.atom

You are my personal morning briefing assistant.
My interests: {{ $('My settings').first().json.topics }}.

Your sources:
- Today's weather and Google News stories, in the message
- New releases of {{ $('My settings').first().json.github_repo }}, in the message
- My Google Calendar, through your calendar tool
- The Hacker News front page, through your Hacker News tool

Write a short brief in plain text, no Markdown, in this order:
1. One line on today's weather.
2. Today's calendar events with their start times. Leave this part out if there are none.
3. The 3 to 5 most relevant stories for my interests, each with one sentence and its link.
4. New releases of {{ $('My settings').first().json.github_repo }}, one line each. Leave this part out if there are none.

Only use information from these sources. Never use your own knowledge for news, events or releases.
Keep the brief under 250 words.

https://ntfy.sh/{{ $('My settings').first().json.ntfy_topic }}

const w = $input.first().json;
let tip;
if (w.rain_chance > 70) tip = '🚆 Heavy rain likely: take the bus or train.';
else if (w.temp_max < 5) tip = '🧣 Cold day: wrap up warm.';
else if (w.temp_max > 25) tip = '🕶️ Warm day: bring water and sunscreen.';
else tip = '🚲 Good day to bike.';
return [{ json: { ...w, tip } }];

{
  "weather": "8 to 12 \u00b0C, 40% chance of rain",
  "stories": [
    {
      "title": "Story title",
      "summary": "One sentence on why it matters.",
      "link": "https://example.com"
    }
  ]
}

<div style="font-family: Arial, sans-serif; max-width: 560px; margin: 0 auto; color: #191919;">
  <h1 style="font-size: 24px; margin-bottom: 4px;">Your daily brief</h1>
  <p style="color: #676767; margin-top: 0;">{{ $now.toFormat('cccc, d LLLL') }}</p>
  {{ $('Umbrella note').isExecuted ? '<p style="background: #FFE8EC; padding: 12px 16px; border-radius: 8px;">☔ Take an umbrella today.</p>' : '' }}
  <p style="font-size: 16px;"><strong>Weather:</strong> {{ $json.output.weather }}</p>
  <h2 style="font-size: 18px; margin-top: 24px;">Stories</h2>
  {{ $json.output.stories.map(s => `<div style="margin-bottom: 16px;"><a href="${s.link}" style="font-size: 16px; font-weight: bold; color: #191919;">${s.title}</a><p style="margin: 4px 0 0;">${s.summary}</p></div>`).join('') }}
</div>

{{ !$('Already sent').all().map(row => row.json.link).includes($json.link) }}

const today = $now.toISODate();
return $('Only new stories').all().filter(item => item.json.title).slice(0, 15).map(item => ({
  json: { date: today, title: item.json.title, link: item.json.link }
}));

{{ $json.message.reply_to_message ? 'This is the brief I am replying to:\n' + $json.message.reply_to_message.text + '\n\n' : '' }}My message: {{ $json.message.text }}

curl "https://generativelanguage.googleapis.com/v1beta/models/gemini-3.8-flash-lite-tts:generateContent" \
  -H "x-goog-api-key: YOUR_GEMINI_KEY" \
  -H "Content-Type: application/json" \
  -X POST \
  -d '{"contents":[{"parts":[{"text":"Good morning. This is your daily brief."}]}],"generationConfig":{"responseModalities":["AUDIO"],"speechConfig":{"voiceConfig":{"prebuiltVoiceConfig":{"voiceName":"Kore"}}}}}'

{{ JSON.stringify({ contents: [{ parts: [{ text: $json.output.replace(/\(?https?:\/\/\S+\)?/g, '') }] }], generationConfig: { responseModalities: ['AUDIO'], speechConfig: { voiceConfig: { prebuiltVoiceConfig: { voiceName: $('My settings').first().json.tts_voice } } } } }) }}

// Gemini returns raw audio (PCM, 24 kHz, 16 bit, mono). Add a WAV header so any player can open it.
const b64 = $input.first().json.candidates[0].content.parts[0].inlineData.data;
const pcm = Buffer.from(b64, 'base64');
const rate = 24000, channels = 1, bits = 16;
const h = Buffer.alloc(44);
h.write('RIFF', 0); h.writeUInt32LE(36 + pcm.length, 4); h.write('WAVE', 8);
h.write('fmt ', 12); h.writeUInt32LE(16, 16); h.writeUInt16LE(1, 20); h.writeUInt16LE(channels, 22);
h.writeUInt32LE(rate, 24); h.writeUInt32LE(rate * channels * bits / 8, 28);
h.writeUInt16LE(channels * bits / 8, 32); h.writeUInt16LE(bits, 34);
h.write('data', 36); h.writeUInt32LE(pcm.length, 40);
const wav = Buffer.concat([h, pcm]);
return [{ json: {}, binary: { data: { data: wav.toString('base64'), mimeType: 'audio/wav', fileName: 'daily-brief.wav' } } }];