polymarket

Query Polymarket Gamma, CLOB, and Data REST APIs for market prices, orderbooks, and price history.

1|Updated Apr 18, 2026
One-click install
npx skills add https://github.com/rnben/hermes-skills --skill polymarket-rnben
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: polymarket
Source: https://github.com/rnben/hermes-skills/tree/main/plugins/research-skills/skills/polymarket
Command: npx skills add https://github.com/rnben/hermes-skills --skill polymarket-rnben

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Polymarket data access enables users to discover current prices, orderbooks, and price history for prediction markets without needing a private key or direct trading access.

Core Features & Use Cases

  • Retrieve current market prices (Yes/No) and probabilities
  • Access real-time orderbook data and trade history
  • Use cases: monitor market movements, compare markets, assess event probabilities for forecasting

Quick Start

Fetch the latest Polymarket market data for a given event.

Frequently Asked Questions about polymarket

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

FAQPage Schema
How do I get current Polymarket prices and probabilities for prediction markets?

To get Polymarket prices, you can query current Yes/No market prices and probabilities using the public Gamma and CLOB REST APIs. This allows you to retrieve real-time prediction market metrics without needing a private key or direct trading access.

Can I access Polymarket orderbook data and trade history without a private key?

Yes, you can access Polymarket orderbook data and trade history read-only without a private key. The Skill uses public Gamma, CLOB, and Data REST APIs to fetch and present real-time orderbook information and historical trade records in a structured format.

How do I retrieve Polymarket price history for forecasting and market analysis?

You retrieve Polymarket price history by querying the public Data REST APIs for historical market data. This provides structured price history outputs useful for assessing event probabilities, comparing markets, and monitoring movements for forecasting tasks.

What's the best way to monitor prediction market movements on Polymarket?

The best way to monitor Polymarket prediction market movements is by querying its public REST APIs to fetch current prices and orderbooks. This read-only approach provides structured, real-time market metrics and historical price data for tracking event probabilities.

Does this Polymarket data Skill support executing trades or placing orders?

No, this Skill does not support executing trades or placing orders. It relies strictly on public Gamma, CLOB, and Data REST APIs to fetch read-only information, meaning you can only retrieve market prices, orderbooks, and price history without direct trading access.

What Polymarket APIs are needed to fetch market data and price history?

You need the public Gamma, CLOB, and Data REST APIs to fetch Polymarket market data and price history. These APIs provide the read-only endpoints required to obtain current market prices, real-time orderbooks, and historical trade information.