{"uid":"cap_u6Y5epKEX8Avu_3r2YRts","slug":"zero-knowledge-contract-validator-mcp-2236a13a","name":"Zero Knowledge Contract Validator MCP","description":"The premier global index of 1,069 monetized MCP nodes across 205 specialized subdomains. Gasless USDC runtime settlements via x402 V2 Spec on Base L2. Save 95% token context.","url":"https://api.m2mcent.com/zero-knowledge-contract-validator-mcp/api/process?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"json","example":{"success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.45","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":"$0.45/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.45","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.45","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_d0FyGs957AKPm1xjrvPAN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.45","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates smart contracts or data inputs using zero-knowledge proof techniques via a monetized MCP node on the M2MCent network","exampleAgentPrompt":"Can you validate this smart contract data using the zero-knowledge contract validator and tell me if it passes — here is the payload: '{\"contract\":\"0xABC123\",\"params\":{\"amount\":500}}'?","exampleUseCases":[{"title":"Pre-deployment contract integrity check","prompt":"Before I deploy this contract to Base L2, can you run it through the zero-knowledge validator to confirm the logic holds without exposing the private parameters? Here's the contract data: '{\"contract\":\"0xDEF456\",\"owner\":\"0xUSER\",\"value\":1000}'."},{"title":"Private input compliance verification","prompt":"I need to verify that this user's transaction data satisfies our compliance rules without revealing the actual amounts — can you run it through the ZK contract validator? Input is: '{\"userId\":\"u-9921\",\"txAmount\":2500,\"rule\":\"kyc-threshold\"}'."},{"title":"Auditing contract state without disclosure","prompt":"We're auditing a set of DeFi contract states but can't expose the raw balances — please validate this data blob through the zero-knowledge contract validator and return whether it passes: '{\"poolId\":\"lp-77\",\"balances\":\"encrypted_blob_xyz\"}'."}],"resultDescription":"Returns a JSON object containing a transaction hash (txHash) on Base L2 and a boolean success field indicating whether the zero-knowledge validation passed. On success, txHash contains the on-chain settlement reference for the gasless USDC payment and the validation attestation.","failureModes":["Invalid or malformed data string returns a failed validation response","Network or Base L2 congestion may delay settlement confirmation","Insufficient USDC balance for the $0.45 per-call fee causes payment failure","Unsupported contract format or schema in the data field may return success:false","Malformed JSON in the data payload may cause a processing error"],"whenToPreferThis":"Choose this endpoint when you need cryptographic zero-knowledge validation of smart contract data or transaction parameters on Base L2 without exposing raw inputs, and when you require an on-chain attestation hash as proof. Prefer this over generic contract auditing tools when privacy-preserving verification and gasless USDC micropayment settlement are requirements.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T00:42:00.805Z","isFirstParty":false,"canonicalSlug":"zero-knowledge-contract-validator-mcp-2236a13a"}