{"uid":"cap_TWonLSmvO0lUMwxSXFc2y","slug":"m2mcent-web3-zk-proof-synthesizer-mcp-node-f170155e","name":"M2MCent Web3 ZK Proof Synthesizer MCP Node","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/web3-zk-proof-synthesizer-mcp-233/api/execute?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["payload"],"properties":{"payload":{"type":"string"}}},"responseSchema":{"type":"object","required":["hash"],"properties":{"hash":{"type":"boolean"}}},"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":"$0.103764/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.103764","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.103764","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1-DrkpqjaX6laM7tUchMT","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.103764","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Executes a zero-knowledge proof synthesis operation via a monetized remote MCP node, returning a hash result over the x402 payment protocol on Base L2.","exampleAgentPrompt":"Synthesize a zero-knowledge proof for this payload and tell me if the hash checks out: 'eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCJ9.examplePayload'.","exampleUseCases":[{"title":"ZK proof for identity attestation","prompt":"Run a zero-knowledge proof synthesis on this identity attestation payload and return whether the hash is valid: 'user:0xABCD1234,age:verified,ts:1720000000'."},{"title":"On-chain credential verification","prompt":"I need to synthesize a ZK proof for this on-chain credential blob — can you run it through the web3 ZK proof synthesizer and tell me if it comes back with a valid hash? Payload: 'cred:diploma,issuer:0xUNIV,holder:0xSTU'."},{"title":"Proof synthesis for smart contract input","prompt":"Before I submit this smart contract call, synthesize a ZK proof for the input payload 'contract:0xDEFI,action:swap,amount:500USDC' and confirm the hash result."}],"resultDescription":"Returns a JSON object with a 'hash' field (boolean) indicating whether the zero-knowledge proof synthesis succeeded or the hash validated correctly.","failureModes":["Missing or malformed 'payload' field returns a 400-level error","Payment settlement failure via x402 may result in a 402 Payment Required response","Invalid or unsupported payload format may return a failed hash (false)","Network or node unavailability may result in timeout or 5xx error","Malformed JSON body causes request rejection"],"whenToPreferThis":"Choose this endpoint when you need to synthesize or validate zero-knowledge proofs via a remotely-hosted, monetized MCP node on Base L2 with per-call USDC micropayments and no gas overhead. Prefer it over self-hosted ZK compute when cost, context efficiency, and gasless settlement are priorities.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:48:29.483Z","isFirstParty":false,"canonicalSlug":"m2mcent-web3-zk-proof-synthesizer-mcp-node-f170155e"}