{"uid":"cap__blIsxMAVqT780gqSSLY6","slug":"one-engine-drop-last-array-items-utility-tier-10-2c5e0e06","name":"ONE Engine Drop-Last Array Items Utility (Tier 10)","description":"Deterministic JSON array processing utility: Drop last array items; parameter=64. Tier 10/10 provides progressively richer diagnostics.","url":"https://one-search.one-engine.workers.dev/v9/array-process/drop-tail/p10/t10?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0114","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":"$0.0114/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0114","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0114","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_XUIsmV594s2jMtw_l1Zjl","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0114","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Drops the last 64 items from a JSON array and returns the truncated result with richest-tier diagnostics.","exampleAgentPrompt":"Take this JSON array and drop the last 64 items from it, giving me the truncated result with full diagnostics.","exampleUseCases":[{"title":"Trim event log tail for analysis","prompt":"I have a JSON array of 200 log entries and I need to remove the last 64 — can you drop those trailing entries and give me the trimmed array with detailed processing info?"},{"title":"Remove recent queue additions","prompt":"Here's my task queue as a JSON array; strip the last 64 items that were just added so I'm left with only the older stable entries."},{"title":"Paginate by dropping processed tail","prompt":"I've got a JSON array of records and I want to discard the last 64 that have already been handled — drop them and return the remainder with diagnostic details."}],"resultDescription":"Returns the input JSON array with the last 64 elements removed, along with Tier 10 richest-level diagnostic output including processing metadata such as original length, resulting length, items dropped, and any relevant processing signals.","failureModes":["Array shorter than 64 items may return empty array or error","Invalid JSON input returns a parse error","Non-array JSON input rejected","Payment failure via x402 results in 402 response and no processing","Network timeout on large arrays"],"whenToPreferThis":"Choose this endpoint when you need a deterministic, auditable drop of the last 64 elements from a JSON array and want the richest available diagnostic output (Tier 10). Prefer it over lower-tier siblings when you need maximum processing insight. Use it when a fixed tail-drop of exactly 64 items matches your use case and you are operating in an x402-payment agent context on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T12:37:15.598Z","isFirstParty":false,"canonicalSlug":"one-engine-drop-last-array-items-utility-tier-10-2c5e0e06"}