{"uid":"cap_XNqvfxUyIoiFMWorTl31M","slug":"signalharness-evm-access-list-analyzer-5ec6252c","name":"SignalHarness EVM Access List Analyzer","description":"Explore 330 pay-per-call x402 API services and 27 agent-native digital products, with Base USDC pricing, secure Polar checkout, and free discovery.","url":"https://signalharness.ai/api/agent/services/evm_access_list_analyze/invoke","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"access_list_request":{"type":"string","maxLength":65536,"minLength":2}}},"responseSchema":{"type":"json","example":{"replay":false,"result":{"warnings":["Analysis does not simulate state access or execution."],"service_id":"evm_access_list_analyze","evidence_scope":"caller_supplied_data","access_list_analysis":"{\"duplicate_storage_keys\":0,\"entry_count\":1,\"intrinsic_access_list_gas\":\"6200\",\"storage_key_count\":2,\"unique_addresses\":1,\"unique_storage_keys\":2}"},"status":"succeeded","receipt":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","usage":[],"status":"succeeded","network":"eip155:8453","artifacts":[],"endedAtMs":0,"latencyMs":0,"paymentId":"example-payment","receiptId":"example-receipt","requestId":"example-request","serviceId":"evm_access_list_analyze","executionId":"example-execution","startedAtMs":0,"amountAtomic":"10000","resultSha256":"c7917b8045d9df000f7ad85dc31df317081e3ddb50861812e509178674f4d423","serviceVersion":"1.0.0","settlementReference":"0x0000000000000000000000000000000000000000000000000000000000000000"},"artifacts":[],"requestId":"example-request","executionId":"example-execution"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_h8TQ_bRTGK5QYrkC08cCe","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Analyzes EVM transaction access lists for security warnings, correctness issues, and potential problems","exampleAgentPrompt":"Can you analyze this EVM transaction access list and flag any warnings or issues with it: [{\"address\":\"0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48\",\"storageKeys\":[\"0x0000000000000000000000000000000000000000000000000000000000000006\"]}]?","exampleUseCases":[{"title":"Pre-broadcast transaction access list audit","prompt":"Before I submit this transaction to the network, can you check this EVM access list for any warnings or correctness issues? Here's the access list: [{\"address\":\"0xdAC17F958D2ee523a2206206994597C13D831ec7\",\"storageKeys\":[\"0x0000000000000000000000000000000000000000000000000000000000000001\"]}]"},{"title":"Smart contract interaction access list review","prompt":"I'm calling a DeFi contract and generated this access list — can you analyze it for potential problems or missing entries before I sign the transaction? Access list: [{\"address\":\"0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D\",\"storageKeys\":[]}]"},{"title":"Security audit of submitted access list","prompt":"Here's an access list from a transaction I received from a counterparty — can you run it through your EVM access list analyzer and tell me if there are any red flags or suspicious storage slot references? [{\"address\":\"0x6B175474E89094C44Da98b954EedeAC495271d0F\",\"storageKeys\":[\"0x290decd9548b62a8d60345a988386fc84ba6bc95f3ada1f679a46f731b19d5b1\"]}]"}],"resultDescription":"Returns a structured JSON object containing: an access_list_analysis field with the detailed analysis text, a warnings array listing any detected issues, an evidence_scope field indicating what data was examined ('caller_supplied_data'), a status field ('succeeded'), and a full receipt object with payment ID, request ID, execution ID, network (eip155:8453/Base), amount paid, and a SHA-256 hash of the result for verification.","failureModes":["Malformed or unparseable access list JSON returns an error status","Access list string exceeding 65536 characters is rejected","Empty or null access_list_request field fails validation","Invalid Ethereum addresses in access list may produce warnings rather than errors","Network or payment settlement failures return a non-succeeded status"],"whenToPreferThis":"Choose this endpoint when you need automated, AI-powered security and correctness analysis of EVM transaction access lists (EIP-2930 style) before signing or broadcasting, especially in agent-driven workflows where programmatic payment via x402/USDC on Base is preferred. Ideal when you want structured warnings and evidence-scoped analysis rather than raw RPC simulation data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:05:08.743Z","isFirstParty":false}