{"uid":"cap_VBckgMqpe6vwXQb4nJ37d","slug":"defi-oracle-mev-scanner-4afa8a9a","name":"DeFi Oracle MEV Scanner","description":"DeFi data for AI agents — yield rates, swap routes, IL calculator, liquidation risk, MEV scanner, TVL tracking. Powered by DeFiLlama + on-chain RPC data. Pay with USDC on Base via x402.","url":"https://aracil.vercel.app/api/mev-scan","method":"POST","headers":{},"bodySchema":{"type":"object","required":["chain"],"properties":{"chain":{"type":"string","description":"Chain to scan"},"blocks":{"type":"number","description":"Number of recent blocks (default 10)"}}},"responseSchema":{"type":"object","properties":{"chain":{"type":"string"},"block_range":{"type":"string"},"blocks_scanned":{"type":"number"},"mev_indicators":{"type":"array"},"potential_mev_blocks":{"type":"number"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.15","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","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":"$0.15/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_pGnIoDslJZD_9mT8lgW7z","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.15","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Scans recent blocks on a specified chain to detect MEV (Maximal Extractable Value) activity indicators and potential MEV blocks","exampleAgentPrompt":"Can you scan the last 20 blocks on Ethereum for MEV activity and tell me how many blocks show signs of sandwich attacks or front-running?","exampleUseCases":[{"title":"Pre-swap MEV exposure check","prompt":"Before I execute this large swap on Arbitrum, can you scan the last 15 blocks for MEV bot activity so I know if I should adjust my slippage or timing?"},{"title":"DeFi protocol security audit","prompt":"Scan the last 25 blocks on Polygon for MEV indicators — I need to assess how much value is being extracted from the chain before recommending it to my users."},{"title":"Real-time MEV monitoring alert","prompt":"Check the last 10 blocks on Base for any MEV activity and tell me how many blocks had potential extraction — I want to know if bots are active right now."}],"resultDescription":"Returns a JSON object containing the chain name, the block range scanned, the total number of blocks analyzed, an array of MEV indicator objects describing detected suspicious patterns (e.g. sandwich attacks, front-running, arbitrage), and a count of blocks that showed potential MEV activity.","failureModes":["Unsupported or misspelled chain name returns an error or empty results","RPC node unavailability causes timeout or incomplete scan","Very recent blocks may not yet be fully indexed","Large block counts may increase latency or hit rate limits","Chain with low activity may return empty MEV indicators array without indicating an error"],"whenToPreferThis":"Use this endpoint when you need real-time, per-block MEV detection on a specific chain before executing large trades, auditing protocol security, or monitoring bot activity. Prefer this over general block explorers when you specifically need structured MEV indicators and potential extraction counts rather than raw transaction data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:36:38.550Z","isFirstParty":false}