telegram-mini-app

Expert in building Telegram Mini Apps (TWA) - web apps that run inside Telegram with native-like experience. Covers the TON ecosystem, Telegram Web App API, payments, user authentication, and building viral mini apps that monetize.

31,392 stars

bysickn33

View on GitHub Installation ↓

Best use case

telegram-mini-app is best used when you need a repeatable AI agent workflow instead of a one-off prompt. It is especially useful for teams working in multi. You build apps where 800M+ Telegram users already are. You understand the Mini App ecosystem is exploding - games, DeFi, utilities, social apps. You know TON blockchain and how to monetize with crypto. You design for the Telegram UX paradigm, not traditional web.

Users should expect a more consistent workflow output, faster repeated execution, and less time spent rewriting prompts from scratch.

Practical example

Example input

Use the "telegram-mini-app" skill to help with this workflow task. Context: You build apps where 800M+ Telegram users already are. You understand the Mini App ecosystem is exploding - games, DeFi, utilities, social apps. You know TON blockchain and how to monetize with crypto. You design for the Telegram UX paradigm, not traditional web.

Example output

A structured workflow result with clearer steps, more consistent formatting, and an output that is easier to reuse in the next run.

When to use this skill

Use this skill when you want a reusable workflow rather than writing the same prompt again and again.

When not to use this skill

Do not use this when you only need a one-off answer and do not need a reusable workflow.
Do not use it if you cannot install or maintain the related files, repository context, or supporting tools.

Installation

Claude Code / Cursor / Codex

$curl -o ~/.claude/skills/telegram-mini-app/SKILL.md --create-dirs "https://raw.githubusercontent.com/sickn33/antigravity-awesome-skills/main/plugins/antigravity-awesome-skills-claude/skills/telegram-mini-app/SKILL.md"

Manual Installation

Download SKILL.md from GitHub
Place it in .claude/skills/telegram-mini-app/SKILL.md inside your project
Restart your AI agent — it will auto-discover the skill

How telegram-mini-app Compares

Feature / Agent	telegram-mini-app	Standard Approach
Platform Support	Not specified	Limited / Varies
Context Awareness	High	Baseline
Installation Complexity	Unknown	N/A

Frequently Asked Questions

What does this skill do?

Where can I find the source code?

You can find the source code on GitHub using the link provided at the top of the page.

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SKILL.md Source

# Telegram Mini App

Expert in building Telegram Mini Apps (TWA) - web apps that run inside Telegram
with native-like experience. Covers the TON ecosystem, Telegram Web App API,
payments, user authentication, and building viral mini apps that monetize.

**Role**: Telegram Mini App Architect

You build apps where 800M+ Telegram users already are. You understand
the Mini App ecosystem is exploding - games, DeFi, utilities, social
apps. You know TON blockchain and how to monetize with crypto. You
design for the Telegram UX paradigm, not traditional web.

### Expertise

- Telegram Web App API
- TON blockchain
- Mini App UX
- TON Connect
- Viral mechanics
- Crypto payments

## Capabilities

- Telegram Web App API
- Mini App architecture
- TON Connect integration
- In-app payments
- User authentication via Telegram
- Mini App UX patterns
- Viral Mini App mechanics
- TON blockchain integration

## Patterns

### Mini App Setup

Getting started with Telegram Mini Apps

**When to use**: When starting a new Mini App

## Mini App Setup

### Basic Structure
```html
<!DOCTYPE html>
<html>
<head>
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <script src="https://telegram.org/js/telegram-web-app.js"></script>
</head>
<body>
  <script>
    const tg = window.Telegram.WebApp;
    tg.ready();
    tg.expand();

    // User data
    const user = tg.initDataUnsafe.user;
    console.log(user.first_name, user.id);
  </script>
</body>
</html>
```

### React Setup
```jsx
// hooks/useTelegram.js
export function useTelegram() {
  const tg = window.Telegram?.WebApp;

  return {
    tg,
    user: tg?.initDataUnsafe?.user,
    queryId: tg?.initDataUnsafe?.query_id,
    expand: () => tg?.expand(),
    close: () => tg?.close(),
    ready: () => tg?.ready(),
  };
}

// App.jsx
function App() {
  const { tg, user, expand, ready } = useTelegram();

  useEffect(() => {
    ready();
    expand();
  }, []);

  return <div>Hello, {user?.first_name}</div>;
}
```

### Bot Integration
```javascript
// Bot sends Mini App
bot.command('app', (ctx) => {
  ctx.reply('Open the app:', {
    reply_markup: {
      inline_keyboard: [[
        { text: '🚀 Open App', web_app: { url: 'https://your-app.com' } }
      ]]
    }
  });
});
```

### TON Connect Integration

Wallet connection for TON blockchain

**When to use**: When building Web3 Mini Apps

## TON Connect Integration

### Setup
```bash
npm install @tonconnect/ui-react
```

### React Integration
```jsx
import { TonConnectUIProvider, TonConnectButton } from '@tonconnect/ui-react';

// Wrap app
function App() {
  return (
    <TonConnectUIProvider manifestUrl="https://your-app.com/tonconnect-manifest.json">
      <MainApp />
    </TonConnectUIProvider>
  );
}

// Use in components
function WalletSection() {
  return (
    <TonConnectButton />
  );
}
```

### Manifest File
```json
{
  "url": "https://your-app.com",
  "name": "Your Mini App",
  "iconUrl": "https://your-app.com/icon.png"
}
```

### Send TON Transaction
```jsx
import { useTonConnectUI } from '@tonconnect/ui-react';

function PaymentButton({ amount, to }) {
  const [tonConnectUI] = useTonConnectUI();

  const handlePay = async () => {
    const transaction = {
      validUntil: Math.floor(Date.now() / 1000) + 60,
      messages: [{
        address: to,
        amount: (amount * 1e9).toString(), // TON to nanoton
      }]
    };

    await tonConnectUI.sendTransaction(transaction);
  };

  return <button onClick={handlePay}>Pay {amount} TON</button>;
}
```

### Mini App Monetization

Making money from Mini Apps

**When to use**: When planning Mini App revenue

## Mini App Monetization

### Revenue Streams
| Model | Example | Potential |
|-------|---------|-----------|
| TON payments | Premium features | High |
| In-app purchases | Virtual goods | High |
| Ads (Telegram Ads) | Display ads | Medium |
| Referral | Share to earn | Medium |
| NFT sales | Digital collectibles | High |

### Telegram Stars (New!)
```javascript
// In your bot
bot.command('premium', (ctx) => {
  ctx.replyWithInvoice({
    title: 'Premium Access',
    description: 'Unlock all features',
    payload: 'premium',
    provider_token: '', // Empty for Stars
    currency: 'XTR', // Telegram Stars
    prices: [{ label: 'Premium', amount: 100 }], // 100 Stars
  });
});
```

### Viral Mechanics
```jsx
// Referral system
function ReferralShare() {
  const { tg, user } = useTelegram();
  const referralLink = `https://t.me/your_bot?start=ref_${user.id}`;

  const share = () => {
    tg.openTelegramLink(
      `https://t.me/share/url?url=${encodeURIComponent(referralLink)}&text=Check this out!`
    );
  };

  return <button onClick={share}>Invite Friends (+10 coins)</button>;
}
```

### Gamification for Retention
- Daily rewards
- Streak bonuses
- Leaderboards
- Achievement badges
- Referral bonuses

### Mini App UX Patterns

UX specific to Telegram Mini Apps

**When to use**: When designing Mini App interfaces

## Mini App UX

### Platform Conventions
| Element | Implementation |
|---------|----------------|
| Main Button | tg.MainButton |
| Back Button | tg.BackButton |
| Theme | tg.themeParams |
| Haptics | tg.HapticFeedback |

### Main Button
```javascript
const tg = window.Telegram.WebApp;

// Show main button
tg.MainButton.setText('Continue');
tg.MainButton.show();
tg.MainButton.onClick(() => {
  // Handle click
  submitForm();
});

// Loading state
tg.MainButton.showProgress();
// ...
tg.MainButton.hideProgress();
```

### Theme Adaptation
```css
:root {
  --tg-theme-bg-color: var(--tg-theme-bg-color, #ffffff);
  --tg-theme-text-color: var(--tg-theme-text-color, #000000);
  --tg-theme-button-color: var(--tg-theme-button-color, #3390ec);
}

body {
  background: var(--tg-theme-bg-color);
  color: var(--tg-theme-text-color);
}
```

### Haptic Feedback
```javascript
// Light feedback
tg.HapticFeedback.impactOccurred('light');

// Success
tg.HapticFeedback.notificationOccurred('success');

// Selection
tg.HapticFeedback.selectionChanged();
```

## Sharp Edges

### Not validating initData from Telegram

Severity: HIGH

Situation: Backend trusts user data without verification

Symptoms:
- Trusting client data blindly
- No server-side validation
- Using initDataUnsafe directly
- Security audit failures

Why this breaks:
initData can be spoofed.
Security vulnerability.
Users can impersonate others.
Data tampering possible.

Recommended fix:

## Validating initData

### Why Validate
- initData contains user info
- Must verify it came from Telegram
- Prevent spoofing/tampering

### Node.js Validation
```javascript
import crypto from 'crypto';

function validateInitData(initData, botToken) {
  const params = new URLSearchParams(initData);
  const hash = params.get('hash');
  params.delete('hash');

  // Sort and join
  const dataCheckString = Array.from(params.entries())
    .sort(([a], [b]) => a.localeCompare(b))
    .map(([k, v]) => `${k}=${v}`)
    .join('\n');

  // Create secret key
  const secretKey = crypto
    .createHmac('sha256', 'WebAppData')
    .update(botToken)
    .digest();

  // Calculate hash
  const calculatedHash = crypto
    .createHmac('sha256', secretKey)
    .update(dataCheckString)
    .digest('hex');

  return calculatedHash === hash;
}
```

### Using in API
```javascript
app.post('/api/action', (req, res) => {
  const { initData } = req.body;

  if (!validateInitData(initData, process.env.BOT_TOKEN)) {
    return res.status(401).json({ error: 'Invalid initData' });
  }

  // Safe to use data
  const params = new URLSearchParams(initData);
  const user = JSON.parse(params.get('user'));
  // ...
});
```

### TON Connect not working on mobile

Severity: HIGH

Situation: Wallet connection fails on mobile Telegram

Symptoms:
- Works on desktop, fails mobile
- Wallet app doesn't open
- Connection stuck
- Users can't pay

Why this breaks:
Deep linking issues.
Wallet app not opening.
Return URL problems.
Different behavior iOS vs Android.

Recommended fix:

## TON Connect Mobile Issues

### Common Problems
1. Wallet doesn't open
2. Return to Mini App fails
3. Transaction confirmation lost

### Fixes
```jsx
// Use correct manifest
const manifestUrl = 'https://your-domain.com/tonconnect-manifest.json';

// Ensure HTTPS
// Localhost won't work on mobile

// Handle connection states
const [tonConnectUI] = useTonConnectUI();

useEffect(() => {
  return tonConnectUI.onStatusChange((wallet) => {
    if (wallet) {
      console.log('Connected:', wallet.account.address);
    }
  });
}, []);
```

### Testing
- Test on real devices
- Test with multiple wallets (Tonkeeper, OpenMask)
- Test both iOS and Android
- Use ngrok for local dev + mobile test

### Fallback
```jsx
// Show QR for desktop
// Show wallet list for mobile
<TonConnectButton />
// Automatically handles this
```

### Mini App feels slow and janky

Severity: MEDIUM

Situation: App lags, slow transitions, poor UX

Symptoms:
- Slow initial load
- Laggy interactions
- Users complaining about speed
- High bounce rate

Why this breaks:
Too much JavaScript.
No code splitting.
Large bundle size.
No loading optimization.

Recommended fix:

## Mini App Performance

### Bundle Size
- Target < 200KB gzipped
- Use code splitting
- Lazy load routes
- Tree shake dependencies

### Quick Wins
```jsx
// Lazy load heavy components
const HeavyChart = lazy(() => import('./HeavyChart'));

// Optimize images
<img loading="lazy" src="..." />

// Use CSS instead of JS animations
```

### Loading Strategy
```jsx
function App() {
  const [ready, setReady] = useState(false);

  useEffect(() => {
    // Show skeleton immediately
    // Load data in background
    Promise.all([
      loadUserData(),
      loadAppConfig(),
    ]).then(() => setReady(true));
  }, []);

  if (!ready) return <Skeleton />;
  return <MainApp />;
}
```

### Vite Optimization
```javascript
// vite.config.js
export default {
  build: {
    rollupOptions: {
      output: {
        manualChunks: {
          vendor: ['react', 'react-dom'],
        }
      }
    }
  }
};
```

### Custom buttons instead of MainButton

Severity: MEDIUM

Situation: App has custom submit buttons that feel non-native

Symptoms:
- Custom submit buttons
- MainButton never used
- Inconsistent UX
- Users confused about actions

Why this breaks:
MainButton is expected UX.
Custom buttons feel foreign.
Inconsistent with Telegram.
Users don't know what to tap.

Recommended fix:

## Using MainButton Properly

### When to Use MainButton
- Form submission
- Primary actions
- Continue/Next flows
- Checkout/Payment

### Implementation
```javascript
const tg = window.Telegram.WebApp;

// Show for forms
function showMainButton(text, onClick) {
  tg.MainButton.setText(text);
  tg.MainButton.onClick(onClick);
  tg.MainButton.show();
}

// Hide when not needed
function hideMainButton() {
  tg.MainButton.hide();
  tg.MainButton.offClick();
}

// Loading state
function setMainButtonLoading(loading) {
  if (loading) {
    tg.MainButton.showProgress();
    tg.MainButton.disable();
  } else {
    tg.MainButton.hideProgress();
    tg.MainButton.enable();
  }
}
```

### React Hook
```jsx
function useMainButton(text, onClick, visible = true) {
  const tg = window.Telegram?.WebApp;

  useEffect(() => {
    if (!tg) return;

    if (visible) {
      tg.MainButton.setText(text);
      tg.MainButton.onClick(onClick);
      tg.MainButton.show();
    } else {
      tg.MainButton.hide();
    }

    return () => {
      tg.MainButton.offClick(onClick);
    };
  }, [text, onClick, visible]);
}
```

## Validation Checks

### No initData Validation

Severity: HIGH

Message: Not validating initData - security vulnerability.

Fix action: Implement server-side initData validation with hash verification

### Missing Telegram Web App Script

Severity: HIGH

Message: Telegram Web App script not included.

Fix action: Add <script src='https://telegram.org/js/telegram-web-app.js'></script>

### Not Calling tg.ready()

Severity: MEDIUM

Message: Not calling tg.ready() - Telegram may show loading state.

Fix action: Call window.Telegram.WebApp.ready() when app is ready

### Not Using Telegram Theme

Severity: MEDIUM

Message: Not adapting to Telegram theme colors.

Fix action: Use CSS variables from tg.themeParams for colors

### Missing Viewport Meta Tag

Severity: MEDIUM

Message: Missing viewport meta tag for mobile.

Fix action: Add <meta name='viewport' content='width=device-width, initial-scale=1.0'>

## Collaboration

### Delegation Triggers

- bot|command|handler -> telegram-bot-builder (Bot integration)
- TON|smart contract|blockchain -> blockchain-defi (TON blockchain features)
- react|vue|frontend -> frontend (Frontend framework)
- viral|referral|share -> viral-generator-builder (Viral mechanics)
- game|gamification -> gamification-loops (Game mechanics)

### Tap-to-Earn Game

Skills: telegram-mini-app, gamification-loops, telegram-bot-builder

Workflow:

```
1. Design game mechanics
2. Build Mini App with tap mechanics
3. Add referral/viral features
4. Integrate TON payments
5. Bot for notifications/onboarding
6. Launch and grow
```

### DeFi Mini App

Skills: telegram-mini-app, blockchain-defi, frontend

Workflow:

```
1. Design DeFi feature (swap, stake, etc.)
2. Integrate TON Connect
3. Build transaction UI
4. Add wallet management
5. Implement security measures
6. Deploy and audit
```

## Related Skills

Works well with: `telegram-bot-builder`, `frontend`, `blockchain-defi`, `viral-generator-builder`

## When to Use
- User mentions or implies: telegram mini app
- User mentions or implies: TWA
- User mentions or implies: telegram web app
- User mentions or implies: TON app
- User mentions or implies: mini app

## Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.

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