polymarket

Fetch Polymarket market data from public Gamma, CLOB, and Data APIs.

3|Updated Mar 20, 2026
One-click install
npx skills add https://github.com/ever-oli/io --skill polymarket-ever-oli
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: polymarket
Source: https://github.com/ever-oli/io/tree/main/skills/research/polymarket
Command: npx skills add https://github.com/ever-oli/io --skill polymarket-ever-oli

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

Query Polymarket data from public REST APIs to access market questions, prices, and history without credentials.

Core Features & Use Cases

  • Search markets and retrieve events and market details.
  • Prices & history fetch current prices, outcome probabilities, and price history.
  • Read-only access to Gamma, CLOB, and Data API endpoints for analysis and monitoring.

Quick Start

Run the polymarket.py tool with a simple query such as 'Bitcoin' to fetch live market data.

Frequently Asked Questions about polymarket

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I fetch Polymarket public market data without an API key?

You can fetch Polymarket public market data without an API key by querying the read-only Gamma, CLOB, and Data REST APIs to retrieve events, markets, prices, and history.

Can I search prediction market events and check current outcome prices?

Yes, you can search prediction market events and check current outcome prices by running a simple text query against the Polymarket public APIs to retrieve matching markets and live pricing data.

What is the best way to get price history for prediction markets?

The best way to get price history for prediction markets is to use a data-processing script that queries the Polymarket Data API to retrieve historical price records for read-only market insights.

Why are outcome prices from the Polymarket CLOB API double-encoded?

Outcome prices from the Polymarket CLOB API are double-encoded within JSON fields like outcomePrices and clobTokenIds, requiring specific JSON parsing logic to correctly format them for display.

Do I need API credentials to monitor trending events on Polymarket?

No, you do not need API credentials to monitor trending events on Polymarket, as the data-processing tool relies exclusively on public REST API endpoints for read-only market access.