{"uid":"cap_yQWF3FX-icxajRXLjZkr9","slug":"k-2so-agent-decision-procedure-for-pre-signature-evm-transaction-2f885408","name":"K-2SO Agent Decision Procedure for Pre-Signature EVM Transaction Simulation","description":"Paid agent-facing brief on Agent-facing decision procedure for pre-signature EVM transaction simulation: when an autonomous agent must simulate a transaction before signing/settling it, which simulator to use per chain and context, revert-risk classification, approval and slippage checks inside the simulation, and what to do when a simulation reverts or is unavailable.. Blunt decision procedure, not marketing.","url":"https://k2so.wrong.systems/api/services/agent-facing-decision-procedure-for-pre-signatur","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"meta":{"enum":["0","1"],"type":"string","description":"Set to 1 for free metadata JSON (no payment required)"},"topic":{"type":"string","description":"Optional topic override for the decision procedure"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","title":"Agent-facing decision procedure for pre-signature EVM transaction simu paid response","$schema":"https://json-schema.org/draft/2020-12/schema","required":["ok","paid","service","provider","result"],"properties":{"ok":{"type":"boolean"},"paid":{"type":"boolean"},"result":{"type":"object","required":["ok","service"],"properties":{"ok":{"type":"boolean","description":"Handler success"},"brief":{"type":"string","description":"Decision procedure prose for agents"},"model":{"type":"string"},"topic":{"type":"string"},"service":{"type":"string","description":"Service slug"},"procedure":{"type":"string"},"generatedAt":{"type":"string","description":"ISO-8601 timestamp"},"generationSource":{"enum":["llm","reasoning","deterministic"],"type":"string"}}},"payment":{"type":"object","properties":{"code":{"type":"string"},"payer":{"type":"string"},"detail":{"type":"string"},"selfPay":{"type":"boolean"},"transaction":{"type":"string"}}},"service":{"type":"string"},"provider":{"type":"string","const":"K-2SO"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_T9GxgEnitUXCGrR05Dsms","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a paid LLM-generated decision procedure brief guiding an AI agent on how to evaluate and decide whether to sign an EVM transaction before execution","exampleAgentPrompt":"Give me a decision procedure brief I can use to decide whether to sign an EVM transaction before execution — walk me through the checks and logic an autonomous agent should apply.","exampleUseCases":[{"title":"Pre-signing safety check for DeFi agent","prompt":"My DeFi trading agent is about to submit a swap transaction on Base — can you generate a decision procedure brief it should follow before signing to avoid approving risky or malicious calls?"},{"title":"Smart contract call validation workflow","prompt":"I'm building an autonomous agent that interacts with smart contracts. Give me a decision procedure it should run every time it's about to sign a contract call, so it doesn't accidentally approve something harmful."},{"title":"Custom topic: NFT mint transaction approval","prompt":"Generate a decision procedure brief for an agent deciding whether to sign an NFT mint transaction on an EVM chain, focusing on the specific risks around mint contracts and gas estimation."}],"resultDescription":"A JSON object containing a plain-prose decision procedure brief (120+ words) tailored to pre-signature EVM transaction simulation, including the model used, generation source (llm/reasoning/deterministic), topic, service slug, ISO-8601 generation timestamp, and payment confirmation metadata.","failureModes":["HTTP 402 returned if payment not settled — agent must pay exact USDC amount and retry with PAYMENT-SIGNATURE header","Invalid or missing method type causes schema validation failure","Topic override may produce off-topic or low-quality brief if the string is ambiguous","Service may return generationSource=deterministic if LLM is unavailable, potentially lower quality","Network or provider downtime at k2so.wrong.systems results in connection errors"],"whenToPreferThis":"Choose this endpoint when an autonomous AI agent needs a structured, prose-format decision framework for evaluating EVM transactions before signing, particularly in x402 micropayment-native agent architectures where per-call USDC billing is acceptable. Prefer this over static rule sets when you want an LLM-generated, contextually reasoned procedure that can be topic-overridden for specific transaction types.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T19:02:28.672Z","isFirstParty":false}