{"uid":"cap_GsUM_0xSr7WE9YiPfbRST","slug":"onchain-formal-proof-mcp-4b1c35ef","name":"Onchain Formal Proof 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/onchain-formal-proof-mcp/api/process","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"payload":{"type":"string"}}},"responseSchema":{"type":"json","example":{"success":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.5","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":"$0.5/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.5","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_N6JO_Ky4Iu4C5Dm3USnfj","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.5","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Processes onchain data to generate or verify formal mathematical/logical proofs anchored to blockchain state","exampleAgentPrompt":"Can you formally verify this smart contract logic and generate an onchain proof that the invariant holds? Here's the data: '0x1234abcd...'","exampleUseCases":[{"title":"Smart contract invariant verification","prompt":"I need to formally prove that this ERC-20 token contract never allows total supply to overflow — can you run a formal proof check on this contract data and give me a machine-verifiable result?"},{"title":"DeFi protocol audit via formal proof","prompt":"We're about to launch our lending protocol and need a formal proof that the collateralization logic is sound. Can you verify this onchain specification data and return a proof of correctness?"},{"title":"Onchain state assertion attestation","prompt":"Can you generate a formal proof that this onchain transaction output satisfies the given constraint? The data I want you to check is the encoded state blob from our rollup."}],"resultDescription":"Returns a formal proof artifact or verification result indicating whether the submitted onchain data satisfies the specified formal logical or mathematical constraints, along with attestation of proof validity.","failureModes":["Malformed or unparseable input data string returns a validation error","Onchain data references an unsupported chain or format, resulting in processing failure","Proof generation times out for highly complex specifications","Ambiguous or underspecified formal constraints yield inconclusive results","Payment not confirmed via x402 protocol leads to 402 rejection"],"whenToPreferThis":"Choose this endpoint when you need cryptographically rigorous, formally verifiable proofs of onchain logic or smart contract correctness, especially in high-stakes DeFi, audit, or compliance contexts where informal testing is insufficient.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T01:19:30.880Z","isFirstParty":false}