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

Related Questions

QWhat is the main purpose of the Polymarket official AI trading agent repository?

AIt helps developers build automated trading strategies that require no human intervention and can integrate with their own machine learning models.

QWhich repository is recommended for building a tool that automatically copies the trades of top traders on Polymarket?

AThe 'Copy Trading Smart Money Bot' (https://github.com/vladmeer/polymarket-copy-trading-bot) with 1,140 stars.

QWhat is a key feature of the 'poly-maker' automatic market making bot?

AIt is an automatic market making bot that can be configured using Google Sheets to provide liquidity and earn fees by maintaining buy and sell order depth.

QWhich client library should a developer use for building high-performance, low-latency trading systems in Rust?

AThe official Polymarket Rust client for the CLOB: 'rs-clob-client' (https://github.com/Polymarket/rs-clob-client) with 418 stars.

QWhat does the 'cross-market-state-fusion' repository by humanplane enable?

AIt is a reinforcement learning agent that fuses real-time Binance Futures data into Polymarket predictions to forecast market movements.

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