polymarket

Fetch and interpret Polymarket market data from public APIs.

2|Updated Apr 25, 2026

Search Tags:#data-analytics #trading #market-data #orderbook #prediction-markets #polymarket #price-history

Ready to run

npx skills add https://github.com/john-data-chen/hermes-agent-backup --skill polymarket-john-data-chen

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: polymarket
Source: https://github.com/john-data-chen/hermes-agent-backup/tree/main/skills/research/polymarket
Command: npx skills add https://github.com/john-data-chen/hermes-agent-backup --skill polymarket-john-data-chen

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

Polymarket provides public data about prediction markets; this skill makes it easy to fetch, parse, and present that data for analysis without authentication.

Core Features & Use Cases

Discover and query events and markets from Polymarket to monitor odds and volume.
Retrieve current prices, orderbooks, and price history for analysis or dashboards.
Read-only access across Gamma, CLOB, and Data APIs to support research and monitoring.

Quick Start

Ask the agent to fetch the latest price, volume, and basic market details for a Polymarket market by slug.

Frequently Asked Questions about polymarket

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

FAQPage Schema

How do I query Polymarket data using public APIs?▼

Polymarket prediction market data can be fetched through read-only Gamma, CLOB, and Data API endpoints to retrieve events, markets, prices, and histories without requiring authentication.

What is the best way to get current prices and volume from Polymarket prediction markets?▼

The best way to get current prices and volume is to query Polymarket public APIs, which automatically format prices as percentages and present volumes in human-friendly units for analysis.

Can I retrieve Polymarket orderbook and price history for building dashboards?▼

Yes, you can retrieve current prices, orderbooks, and price history from Polymarket CLOB and Data APIs to monitor prediction markets and support dashboard visualizations.

Does fetching Polymarket event data require an API key or authentication?▼

Fetching Polymarket event data does not require an API key because the skill uses read-only public API endpoints to retrieve prediction market information without authentication.

Why does Polymarket API data sometimes show incorrectly formatted JSON fields?▼

Polymarket API data can show formatting issues due to double-encoded JSON fields, which this skill automatically handles and parses to present clean market data for analysis.