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159
111
69% credibility
Found Mar 09, 2026 at 157 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
TypeScript
AI Summary

This is an automated bot for Polymarket prediction markets that uses AI to estimate probabilities of yes/no outcomes and places limit buy orders when market prices are undervalued relative to those estimates.

How It Works

1
🔍 Discover the Trading Helper

You find this smart helper on GitHub that uses AI to spot great deals on prediction markets like Polymarket.

2
📋 Gather Your Essentials

You collect login details for an AI service to do the thinking and info for your trading wallet.

3
🔗 Link Everything Up

You securely connect the AI brain and your wallet so the helper knows how to think and trade.

4
🧪 Test in Safe Mode

You run a pretend session first to watch what trades it would make without using real money.

5
🚀 Launch for Real

You flip the switch to live mode, and the bot starts scanning markets on its own.

6
👀 Watch It Work

The bot checks events, asks AI for smart guesses on outcomes, and places buys when deals look good.

💰 Enjoy Smarter Trades

Your account benefits from automatic value buys as the AI finds undervalued opportunities over time.

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Star Growth

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AI-Generated Review

What is polymarket-ai-trading-bot?

This TypeScript bot automates trading on Polymarket by using an OpenAI-compatible LLM to estimate fair Yes probabilities for binary markets, then placing limit buy orders when prices undervalue that estimate relative to No (1 - fairYes). It polls active markets via the Gamma API (with tag filters), checks liquidity and edges, and executes maker-first orders on the Polymarket CLOB API, all configurable via env vars like min edge (default 2%) and stake USD. Developers get a ready-to-run automated AI trading bot for Polymarket that handles discovery, AI prediction, and order placement without manual intervention.

Why is it gaining traction?

It stands out with dry-run mode to simulate trades risk-free, auto-derivation of Polymarket API keys, and smart liquidity caps to avoid impacting spreads—features that make prototyping Polymarket trading strategies painless. The value execution prioritizes maker orders at bid + tick for rebates, plus fallback probabilities for AI failures, hooking devs tired of building custom Polymarket GitHub agents or websocket clients from scratch. With 204 stars, it's pulling in users for its plug-and-play Polymarket trading API integration over pricier market makers.

Who should use this?

Quant traders automating Polymarket positions based on AI signals, especially for high-volume binary events. DeFi engineers testing prediction market bots without writing CLOB wrappers or Gamma scrapers. Prediction enthusiasts monitoring trading fees and volume who want a GitHub-based Polymarket trading bot for edge hunting.

Verdict

Grab it if you're building a Polymarket AI trading bot—strong docs and npm start simplicity make it dev-friendly despite 204 stars signaling early maturity and no tests. The 0.7% credibility score flags risks like unproven AI calibration, so stick to dry run until you validate strategies live.

(198 words)

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