predexon

Query prediction market data from Polymarket, Kalshi, and other venues via a local HTTP API.

6.6k|648|Updated Feb 3, 2026
One-click install
npx skills add https://github.com/BlockRunAI/ClawRouter --skill predexon
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: predexon
Source: https://github.com/BlockRunAI/ClawRouter/tree/main/skills/predexon
Command: npx skills add https://github.com/BlockRunAI/ClawRouter --skill predexon

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Accessing prediction market data from Polymarket, Kalshi, Limitless, Opinion, and Predict.Fun normally requires scraping websites or integrating multiple venue-specific APIs. This Skill provides a single structured HTTP API at localhost:8402 that returns markets, odds, wallet analytics, smart money positions, and UMA oracle resolution status across all venues.

Core Features & Use Cases

  • Cross-Venue Market Search: Search markets across Polymarket, Kalshi, Limitless, Opinion, and Predict.Fun with one query, including prices, volume, and venue identifiers.
  • Wallet Analytics & Smart Money: Analyze wallet profit, win rate, P&L history, identity labels, wallet clusters, and smart money positions on specific markets.
  • UMA Oracle & Arbitrage: Track UMA resolution states (proposed, disputed, resolved) and compare Polymarket vs Kalshi prices to find spread opportunities.
  • Use Case: A user asks "What is the smart money doing on the 2026 election markets?" The Skill searches Polymarket markets for the conditionId, then calls the smart-money endpoint to return top wallet positions, sides, and P&L.

Quick Start

Ask the agent to show the top prediction markets right now, and it will call GET /v1/pm/polymarket/events?limit=20 and summarize the results.

Frequently Asked Questions about predexon

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

FAQPage Schema
How do I search prediction markets across Polymarket and Kalshi?▼

Use the cross-venue search endpoint GET /v1/pm/markets/search?q=keyword&limit=20. It returns results from Polymarket, Kalshi, Limitless, Opinion, and Predict.Fun with venue, title, YES/NO prices, and volume in a single response.

How do I track smart money positions on a Polymarket market?▼

First find the market's conditionId via the events or markets search endpoint, then call GET /v1/pm/polymarket/market/{conditionId}/smart-money. The response lists wallet addresses, YES/NO sides, position sizes, P&L, and historical win rates.

Can I compare Polymarket vs Kalshi odds for arbitrage?▼

Yes, call GET /v1/pm/matching-markets to get paired markets across both venues. Each pair includes the Polymarket price, Kalshi price, and the spread, which indicates a potential arbitrage signal.

Does this API require an API key or manual payment?▼

No manual key handling is needed. Payment is automatic via the x402 protocol and deducted from the user's BlockRun wallet; GET endpoints cost $0.001 and wallet analytics or smart money endpoints cost $0.005 per call.

Why did my prediction market API request fail with a payment error?▼

Payment failures mean the BlockRun wallet has insufficient funds for the x402 micropayment. Fund the wallet at blockrun.ai and retry; on HTTP 502 errors, retry once since the upstream Predexon service can occasionally be slow.

What are the limitations of the wallet identity endpoints?▼

The bulk identity endpoint accepts up to roughly 50 addresses per GET request as comma-separated wallets, while the v2 POST variant supports up to 200 addresses. Identity labels depend on available sources such as ENS, Lens, and exchange tags.