{"uid":"cap_B1ldLjVEFVOZbyWDyS9EO","slug":"evm-opcode-fuzzer-mcp-f890245e","name":"EVM Opcode Fuzzer 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/evm-opcode-fuzzer-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":"0.35","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":"$0.35/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Ey_3lVpg9BMK-RnZXBBym","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.35","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fuzz-tests EVM bytecode or smart contract opcodes to discover vulnerabilities, edge cases, and unexpected behaviors through automated input mutation.","exampleAgentPrompt":"Can you fuzz-test this EVM bytecode for opcode vulnerabilities and edge cases? Here's the contract data: 0x6080604052600436106100...","exampleUseCases":[{"title":"Smart contract opcode security audit","prompt":"I've got some compiled EVM bytecode from a new DeFi contract and I want to check it for opcode-level vulnerabilities before deploying — can you run a fuzzer over it and tell me what edge cases or bugs you find?"},{"title":"Detecting reentrancy via opcode fuzzing","prompt":"Run opcode fuzzing on this EVM bytecode and specifically look for patterns that could indicate reentrancy or unexpected CALL opcode behaviors: 0x608060405234801561001057600080fd..."},{"title":"Pre-deployment EVM regression testing","prompt":"Before I push this smart contract to mainnet, can you fuzz its opcodes with random inputs to make sure there are no crashes, panics, or out-of-gas surprises hiding in the execution paths?"}],"resultDescription":"Returns a fuzzing report detailing discovered opcode edge cases, unexpected execution paths, potential vulnerabilities, error conditions, and any crashes or panics encountered during automated mutation testing of the provided EVM bytecode.","failureModes":["Invalid or malformed bytecode input causes parsing failure","Bytecode too large for processing window","Timeout on deeply recursive or infinite-loop opcodes","Empty data field returns error with no results","Non-EVM data passed in the data field returns unsupported format error"],"whenToPreferThis":"Choose this endpoint when you need automated, mutation-based security testing of EVM bytecode or smart contract opcode sequences, particularly during pre-deployment audits or CI/CD pipelines for Ethereum smart contracts. Prefer it over static analysis tools when you want to discover runtime edge cases and crash conditions that only emerge under unexpected input conditions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T06:38:55.499Z","isFirstParty":false,"canonicalSlug":"evm-opcode-fuzzer-mcp-f890245e"}