metengine

Query smart money analytics APIs for Polymarket, Hyperliquid, and Meteora via x402 payments.

1|1|Updated May 21, 2026
One-click install
npx skills add https://github.com/naruto11eth/cryptoskills --skill metengine-naruto11eth
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: metengine
Source: https://github.com/naruto11eth/cryptoskills/tree/main/skills/metengine
Command: npx skills add https://github.com/naruto11eth/cryptoskills --skill metengine-naruto11eth

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? AI agents lack real-time access to wallet scoring, insider detection, and capital flow data across prediction markets, perpetual futures, and Solana LP pools, and traditional analytics APIs require API keys, accounts, and subscriptions. ## Core Features & Use Cases - 63 Analytics Endpoints: Covers Polymarket (27), Hyperliquid (18), and Meteora (18) endpoints for wallet scoring, leaderboards, insider detection, whale tracking, and pool analytics. - Pay-Per-Request via x402: Payments are made in USDC on Solana Mainnet using the x402 protocol, with no API keys or accounts required; payment itself is authentication. - Session Memory System: A persistent memory file caches wallet setup, working client bootstrap code, endpoint history, and learned fallbacks to reduce token usage across sessions. - Use Case: Ask the agent to find high-conviction smart money bets on Polymarket, score the top wallets, and compare their positions against Hyperliquid trader activity, paying a few cents of USDC per query. ## Quick Start Ask the agent to check the MetEngine health endpoint and then fetch the top 5 trending Polymarket markets over the last 24 hours using the x402 payment flow.

Frequently Asked Questions about metengine

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

FAQPage Schema
How do I query smart money wallets on Polymarket without an API key?

MetEngine uses the x402 protocol where payment is authentication. Send a request, receive a 402 response with the USDC price, sign a Solana USDC transfer, and retry with the PAYMENT-SIGNATURE header to get data.

How much do MetEngine API endpoints cost?

Prices range from $0.01 to $0.20 USDC per request based on tier: light endpoints cost $0.01, medium $0.02, heavy $0.05, and whale $0.08, with timeframe and limit multipliers. The /health and /api/v1/pricing endpoints are free.

What platforms does MetEngine analytics cover?

It covers three platforms: Polymarket prediction markets with 27 endpoints, Hyperliquid perpetual futures with 18 endpoints, and Meteora Solana LP/AMM pools with 18 endpoints, totaling 63 endpoints.

Why did my x402 payment fail with PAYMENT_EXPIRED?

Payment proofs expire 5 minutes after the Solana transaction confirms. Retry the API call immediately after confirmation, use confirmed commitment level rather than finalized, and never reuse a proof since each is single-use.

What happens to my USDC payment if the API query fails?

MetEngine uses settle-after-execute semantics enforced server-side. If the query fails due to a timeout or server error, no payment is settled and you keep your funds; only successful 2xx responses trigger settlement.

Can I use MetEngine from a browser application?

No, browser-originated requests are not supported because of the Solana signing requirement. Run the client server-side using Node.js, Deno, or Bun and expose results through your own API.