# Services from graphadvocate.com on Zero > graphadvocate.com serves 23 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero. Canonical page: https://www.zero.xyz/host/graphadvocate.com Live health (JSON, refreshed every minute): https://www.zero.xyz/host/graphadvocate.com/health.json ## Services - [Polymarket Market Counterparty Screener (Size-the-Room)](https://www.zero.xyz/c/graphadvocate-com-89d6cecd/llms.txt): $0.02/call via x402. Returns the top N holders of a Polymarket market ranked by skill_score, with per-holder ghost-fill settlement risk, for pre-trade counterparty assessment. - [Polymarket Full PnL Report](https://www.zero.xyz/c/graphadvocate-com-b7bbf253/llms.txt): $0.05/call via x402. Returns a comprehensive Polymarket profit-and-loss report for a wallet, including FIFO/LIFO/HIFO per-lot realized PnL, open positions with mark-to-market unrealized PnL, and derived skill metrics. - [Polymarket Ghost-Fill Counterparty Risk Scorer](https://www.zero.xyz/c/graphadvocate-com-7ca98fbb/llms.txt): $0.02/call via x402. Assesses ghost-fill counterparty risk for a Polymarket wallet, classifying wallet type and flagging 24h collateral outflow for adverse selection pricing. - [GraphAdvocate Uniswap Trader Profiler](https://www.zero.xyz/c/graphadvocate-uniswap-trader-profiler-4ab65bfc/llms.txt): $0.02/call via x402. Identifies who is buying and selling a specific token on Uniswap, profiling each wallet's buy/sell volumes and net position stance (accumulator, distributor, accumulating, or distributing). - [Graph Advocate — Kalshi Consensus Trend](https://www.zero.xyz/c/graph-advocate-kalshi-consensus-trend-6f478c21/llms.txt): $0.05/call via x402. Returns probability trend analysis for a Kalshi prediction market event, including slope, acceleration, and volatility signals over 24h and 3-day windows. - [Graph Advocate — Uniswap Pre-Trade Analysis](https://www.zero.xyz/c/graph-advocate-uniswap-pre-trade-analysis-fcfa319f/llms.txt): $0.02/call via x402. Runs an onchain pre-trade intelligence query against Uniswap subgraph data, returning token price, liquidity, buy/sell flow, honeypot risk, and a tradeable verdict for a given token or pair. - [Hyperliquid Full PnL Report](https://www.zero.xyz/c/graphadvocate-com-158eff19/llms.txt): $0.05/call via x402. Returns a comprehensive PnL report for a Hyperliquid trader including derived skill metrics, open positions per coin, and recent activity feed (deposits, withdrawals, funding, liquidations). - [GraphAdvocate Uniswap/Hyperliquid Cross-Venue Basis Calculator](https://www.zero.xyz/c/graphadvocate-uniswap-hyperliquid-cross-venue-basis-calculator-233700fd/llms.txt): $0.05/call via x402. Computes the spot vs perpetual basis percentage by joining Uniswap on-chain spot price (via subgraph) against Hyperliquid perp last-fill price, returning basis_pct and a directional signal. - [Hyperliquid Recent Fill Stream (graphadvocate.com)](https://www.zero.xyz/c/graphadvocate-com-2b231a42/llms.txt): $0.02/call via x402. Returns the last N fills for a Hyperliquid perpetual coin, including per-fill details and an aggregate summary with buy/sell notional split and whale fill count. - [Hyperliquid Vault Quality Evaluator](https://www.zero.xyz/c/graphadvocate-com-ace03141/llms.txt): $0.1/call via x402. Scores a Hyperliquid copy-trading vault (0-100) by evaluating leader skill, depositor concentration, redemption pressure, and commission rate, returning lifetime stats and top 5 depositors. - [GraphAdvocate x402 Settlement Q&A](https://www.zero.xyz/c/graphadvocate-x402-settlement-q-a-460c2ac9/llms.txt): $0.05/call via x402. Natural-language Q&A over 132M x402 Base settlement rows, returning an answer, the SQL trace used, and upstream latency. - [Hyperliquid Trader Skill Score](https://www.zero.xyz/c/graphadvocate-com-a0eb2a7a/llms.txt): $0.02/call via x402. Scores a Hyperliquid trader 0-100 on trading skill, classifying them as sharp/neutral/retail with derived metrics like profit factor, liquidation rate, and funding efficiency - [Hyperliquid Market Room Screener](https://www.zero.xyz/c/graphadvocate-com-57feb427/llms.txt): $0.05/call via x402. Returns the top N traders on a Hyperliquid perpetuals or spot market ranked by volume, with skill scores, trader classifications, and liquidation counts for pre-trade counterparty analysis. - [Polymarket Trader Skill Score (Quick)](https://www.zero.xyz/c/graphadvocate-com-4f1d0b5b/llms.txt): $0.01/call via x402. Returns a Sharpe-weighted skill score, classification, win rate, drawdown, and PnL summary for a Polymarket wallet — fast, no lot reconstruction. - [Hyperliquid Counterparty Risk Scorer](https://www.zero.xyz/c/graphadvocate-com-ae2d0446/llms.txt): $0.02/call via x402. Returns a risk assessment (low/medium/high) for a Hyperliquid trader address, including liquidation history, leverage signals, and recent collateral outflow flags. - [Graph Advocate — Divergence (Social vs Onchain Signal) Agent](https://www.zero.xyz/c/graph-advocate-divergence-social-vs-onchain-signal-agent-5f441269/llms.txt): $0.05/call via x402. Ranks a cohort of tokens by the gap between social sentiment and on-chain activity, surfacing tokens that are overhyped or quietly accumulating. - [Graph Advocate — Polymarket Leaderboard](https://www.zero.xyz/c/graph-advocate-polymarket-leaderboard-8885430e/llms.txt): $0.02/call via x402. Returns a ranked leaderboard of top Polymarket traders by PnL, volume, and transaction count over a specified interval. - [Graph Advocate Kalshi-Polymarket Spread Finder](https://www.zero.xyz/c/graph-advocate-kalshi-polymarket-spread-finder-c480b6dc/llms.txt): $0.05/call via x402. Compares Kalshi and Polymarket odds on a given topic to surface arbitrage spreads and directional trade signals between the two prediction markets. - [graphadvocate.com On-chain x402 Address Settlement Summary](https://www.zero.xyz/c/graphadvocate-com-on-chain-x402-address-settlement-summary-244cf39a/llms.txt): $0.01/call via x402. Returns lifetime settlement stats and recent payment history for a given blockchain address from the decentralized x402 Base subgraph, including role as payer and recipient. - [GraphAdvocate /route — Plain-English to GraphQL/REST Onchain Data Router](https://www.zero.xyz/c/graphadvocate-com-278d9aef/llms.txt): $0.01/call via x402. Converts plain-English queries into working GraphQL or REST calls across 15,500+ blockchain subgraphs on 8 chains, covering protocols like Uniswap, Aave, Compound, ENS, Polymarket, and more - [GraphAdvocate Agent Reputation Scorer](https://www.zero.xyz/c/graphadvocate-agent-reputation-scorer-21da38fd/llms.txt): $0.02/call via x402. Scores a wallet's on-chain agent reputation using ERC-8004 registration, IPFS metadata, recent payments, and feedback signals, returning a tiered score with evidence for a specified trailing time window. - [Graph Advocate — Prediction Market Spread Finder](https://www.zero.xyz/c/graph-advocate-prediction-market-spread-finder-66d09e9f/llms.txt): $0.05/call via x402. Finds arbitrage spread opportunities between Polymarket and Limitless prediction markets for a given topic, returning semantically matched market pairs ranked by absolute spread. - [Graph Advocate — Kalshi Sports Live Edge](https://www.zero.xyz/c/graph-advocate-kalshi-sports-live-edge-96583a28/llms.txt): $0.05/call via x402. Returns live sports market arbitrage signals, momentum scores, and candle data for Kalshi prediction markets via a paid onchain routing endpoint. Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently. - [Zero catalog index](https://www.zero.xyz/llms.txt)