Polymarket Developer Essentials: 18 Battle-Tested Core Open-Source Tool Libraries

marsbitPublished on 2026-01-27Last updated on 2026-01-27

Abstract

Essential Open-Source Tools for Polymarket Developers: 18 Vetted Libraries This article compiles 18 essential, community-vetted open-source libraries for developers building on Polymarket. The selection is based on GitHub stars (community validation), recent activity, fork count, and reliability scores. Key tools include: - **Polymarket Official AI Trading Agent (⭐1,869):** For building automated trading strategies. - **Copy Trading Bots (Multiple):** Bots to automatically replicate trades of top performers (e.g., vladmeer's bot, ⭐1,140). - **Arbitrage Bots (Multiple):** Bots to exploit price differences across markets for profit (e.g., vladmeer's bot, ⭐813). - **Automated Market Maker (⭐792):** A bot using Google Sheets to provide liquidity. - **Official Client SDKs:** Python (⭐700), TypeScript/JavaScript (⭐419), and Rust (⭐418) clients for the Polymarket CLOB. - **Data & Analytics Tools:** Libraries for real-time market intelligence (Polyseer, ⭐532) and historical data retrieval (poly_data, ⭐453). - **Multi-Platform & Advanced Bots:** Tools for cross-market trading (pmxt, ⭐396) and bots combining strategies like copy trading and arbitrage. The article also provides a link to a complete database of over 1,500 repositories, sorted by category, programming language, and activity status.

Original Author / wincy.eth

Compiled / Odaily Planet Daily Golem(@web 3_golem)

There are now many code repositories on GitHub that assist in building tools for Polymarket. After a detailed analysis, I have filtered out 20 core code libraries that can help developers build unique products, technologies, or trading systems. These are the most popular and battle-tested tools actually used by top traders and developers, provided for readers' reference.

Selection Criteria:

GitHub Stars (Community Validation)
Recent Activity (Actively Maintained)
Fork Count (Number of Practical Applications)
Reliability Score

Polymarket Official AI Trading Agent

Link:https://github.com/Polymarket/agents

Star:⭐ 1,869

Assists developers in building automated trading strategies that require no manual intervention, and can also integrate with developers' own machine learning models.

Copy Trading Smart Money Bot

Link:https://github.com/vladmeer/polymarket-copy-trading-bot

Star:⭐ 1,140

Helps build tools that automatically copy top traders' trades in real-time, thus mastering Polymarket strategies already validated by smart money.

Arbitrage Copy Trading Bot

Link:https://github.com/vIadmeer/polymarket-bot

Star:⭐ 813

A versatile trading bot with both arbitrage and copy trading functions, capable of performing arbitrage, market making, and copy trading simultaneously on Polymarket.

Automated Market Maker Bot

Link:https://github.com/warproxxx/poly-maker

Star:⭐ 792

An automated market maker bot configured using Google Sheets, which provides liquidity and earns fees by maintaining buy and sell order depth.

Link:https://github.com/Polymarket/py-clob-client

⭐ 700

Official Python client for the Polymarket Central Limit Order Book (CLOB).

Use Case: Building custom Python trading tools, data analysis pipelines, or integrating Polymarket into your existing systems.

6. earthskyorg/Polymarket-Copy-Trading-Bot

⭐ 608

Advanced copy trading bot with automatic position management features.

Use Case: Setting up automatic wallet tracking and position mirroring, with customizable risk parameters.

7. yorkeccak/Polyseer

⭐ 532

Real-time market intelligence and Alpha discovery tool.

Use Case: Getting instant alerts on market movements and new listings, discovering trading opportunities early.

8. warproxxx/poly_data

⭐ 453

Comprehensive tool for retrieving market, event, and historical trade data.

Use Case: Building analytical dashboards, backtesting strategies, or conducting market research with structured historical data.

9. vladmeer/polymarket-arbitrage-bot

⭐ 450

Bot that exploits price differences across markets for arbitrage.

Application: Earning risk-free profits by automatically identifying and executing trades on mispriced markets.

10. Polymarket/clob-client

⭐ 419

Official TypeScript/JavaScript client for the Polymarket CLOB.

Application: Building web-based trading interfaces, browser extensions, or Node.js trading bots with full order book access.

11. Polymarket/rs-clob-client

⭐ 418

Official Rust client for the Polymarket CLOB, featuring high-performance trading capabilities.

Application: Building ultra-fast, low-latency trading systems using Rust for a competitive edge.

12. yesnotrader/polymarket-copy-trading-bot-telegram-ui

⭐ 413

Copy trading bot with a Telegram interface for easy management.

Application: Controlling your copy trading settings directly via Telegram—monitor positions and adjust settings from anywhere.

13. pmxt-dev/pmxt

⭐ 396

Unified API for trading across multiple prediction markets (Polymarket, Kalshi, etc.).

Application: Building cross-platform trading tools or arbitrage bots that can operate on different prediction market platforms.

14. Trust412/polymarket-copy-trading-bot-v1

⭐ 391

Feature-rich copy trading bot with position tracking and risk management.

Application: Automatically replicating master traders' strategies with customizable position sizing and stop-loss rules.

15. humanplane/cross-market-state-fusion

⭐ 326

Reinforcement learning agent that fuses Binance Futures real-time data into Polymarket predictions.

Application: Predicting market movements using reinforcement learning by combining cryptocurrency price movements and prediction market data.

16. soulcrancerdev/polymarket-copy-trading-bot

⭐ 312

High-performance, high-reliability copy trading bot built with Rust.

Application: Deploying a lightweight, fast, and resource-efficient copy trading system.

17. HyperBuildX/Polymarket-Copy-Trading-Bot

⭐ 292

Multi-strategy bot supporting copy trading, arbitrage, and automated trading.

Application: Running multiple trading strategies with a single bot—wallet tracking, price arbitrage, and automatic positioning.

18. Polymarket/ctf-exchange

⭐ 287

Official Polymarket CTF (Conditional Token Framework) smart contracts.

Application: Understanding the underlying protocol, building custom integrations, or deploying your own prediction market infrastructure.

19. vIadmeer/polymarket-arbitrage-bot

⭐ 283

Advanced arbitrage bot with multi-market scanning and execution capabilities.

Application: Automatically detecting and executing arbitrage opportunities across different Polymarket markets.

20. Trust412/polymarket-trading-bot

⭐ 276

Comprehensive trading bot with strategy automation and portfolio management features.

Application: Implementing algorithmic trading.

ng strategies with built-in portfolio tracking and performance analysis.

Access the Full Database

A complete spreadsheet containing over 1500 repositories, sorted by reliability score, category, programming language, and activity status.

The database includes:

All code repositories ranked by reliability score
Filtering by category (Trading Bots, Data & Analytics, Official SDKs, Infrastructure)
Sortable by star count, fork count, last update time, and programming language
Activity status for each repository (Active/Medium/Stale)

Leaderboard:https://docs.google.com/spreadsheets/d/1gTVgVmjj5cf4PzfBSlf5HYEu22N5f4kg/edit?usp=sharing&ouid=106458332154365965416&rtpof=true&sd=true

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