# Overview

Signal Sources are the foundation of automated trading in Tradecraft. A signal source is any input stream that notifies your trading strategies about a new token.&#x20;

**Think of signal sources as your automated scouts** - they watch the market 24/7 and alert your strategies the moment interesting tokens appear.

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### How Signal Sources Work

1. **Configure Source** - Connect a signal source (Telegram channel, Discord server, wallet tracker, etc.)
2. **Assign to Strategy** - Link one or more signal sources to your trading strategy
3. **Automatic Detection** - The source continuously monitors for new token mentions
4. **Signal Generation** - When a token is detected, a "signal" is created with token metadata (address, price, market cap, etc.)
5. **Strategy Evaluation** - Your strategy receives the signal and decides whether to trade
6. **Execution** - If conditions are met, trades execute automatically

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### Available Signal Source Types

* Telegram Signals
* Discord Signals
* Webhook API Signals
* Marketplace subscriptions

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### Multiple Signal Sources

Strategies can use **multiple signal sources simultaneously**. This allows you to:

* Aggregate signals from different communities
* Diversify signal sources for broader coverage
* Cross-reference signals across multiple sources

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