{"uid":"cap_cx9dpj7mXLm47TU08w1bn","slug":"graphadvocate-com-89d6cecd","name":"Polymarket Market Counterparty Screener (Size-the-Room)","description":"Claude-powered routing agent for The Graph Protocol. Ask in plain English; paid calls run the query against 15,500+ indexed subgraphs and return the rows. Free chat hands you the subgraph and the GraphQL to run yourself. $0.01 USDC per call on Base via x402.","url":"https://graphadvocate.com/polymarket/screen?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object","required":["condition_id"],"properties":{"n":{"type":"integer","default":10,"maximum":25,"minimum":1},"condition_id":{"type":"string","description":"Polymarket condition_id (0x + 64 hex chars)"}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"holders":[{"rank":1,"side":"Yes","wallet":"0x38e5...","skill_score":71.4,"wallet_type":"smart_account_erc1967","classification":"sharp","ghost_fill_risk":"low","position_value_usdc":9005.64}],"sharp_count":3,"condition_id":"0x6331...","retail_count":4,"neutral_count":2,"holders_screened":10,"insufficient_data_count":1,"ghost_fill_risk_breakdown":{"low":6,"high":1,"medium":3}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_9leqXmrcQuYeClGYKSJkx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"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.","exampleAgentPrompt":"Before I trade on Polymarket condition 0xabc123, show me the top 10 holders ranked by skill score and flag which ones have ghost-fill settlement risk so I know what I'm walking into.","exampleUseCases":null,"resultDescription":"A ranked list of the top N holders (default 10, max 25) for the given Polymarket condition_id, each with their skill_score (0-100), wallet classification (EOA or smart account), and per-holder ghost-fill settlement risk level — enabling the agent to assess whether counterparty fills are likely to settle and how skilled those counterparties are.","failureModes":["Invalid or unknown condition_id returns an error or empty result","n exceeds maximum (25) may return error or be capped","Polymarket on-chain data lag may cause stale holder rankings","Network or payment failure returns HTTP 402 or 5xx","No holders found for a very new or illiquid market"],"whenToPreferThis":"Use this endpoint when an AI trading or market-making agent needs to perform a pre-trade counterparty screen on a specific Polymarket market — specifically when both skill ranking AND ghost-fill settlement risk are needed together for the top N holders. Prefer this over the individual skill-score or ghost-fill endpoints when you need a holistic view of the competitive landscape for a single market in one call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:30:47.353Z","isFirstParty":false,"canonicalSlug":"graphadvocate-com-89d6cecd"}