{"uid":"cap_OCmjOzW9-kEeO14Xfa7kY","slug":"one-engine-drop-head-array-processor-tier-8-p-1-a8a6e037","name":"ONE Engine Drop-Head Array Processor (Tier 8, p=1)","description":"Deterministic JSON array processing utility: Drop first array items; parameter=1. Tier 8/10 provides progressively richer diagnostics.","url":"https://one-search.one-engine.workers.dev/v9/array-process/drop-head/p1/t8?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0035","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":"$0.0035/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0035","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0035","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_HZ0_bkZETCiF1UqxPlQAR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0035","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Removes the first item from a JSON array with Tier 8 diagnostic detail level","exampleAgentPrompt":"Take this JSON array [\"alpha\",\"beta\",\"gamma\",\"delta\"] and drop the first 1 item from the front, using Tier 8 diagnostics so I get the richest available processing detail back.","exampleUseCases":[{"title":"Queue head removal for agent pipeline","prompt":"I have a task queue stored as a JSON array like [\"task-001\",\"task-002\",\"task-003\"] and I need you to drop the first item off the front — use the Tier 8 level so I can see full diagnostics on what was removed."},{"title":"Log stream trimming","prompt":"Here's my ordered log array: [\"2024-01-01 boot\",\"2024-01-02 run\",\"2024-01-03 shutdown\"]. Strip off the oldest first entry and give me back the remaining list with detailed processing info at Tier 8."},{"title":"Paginated data head-skip","prompt":"I've got a JSON array of paginated results and I need to skip past the first element to simulate advancing the cursor — drop 1 item from the head of [\"page-1\",\"page-2\",\"page-3\",\"page-4\"] and return the result with Tier 8 diagnostics."}],"resultDescription":"Returns the input JSON array with the first item removed, along with Tier 8 progressive diagnostics including processing metadata, drop confirmation, original and resulting array details, and richer diagnostic fields compared to lower tiers.","failureModes":["Empty array input returns error or unchanged empty array","Malformed JSON body causes parse error response","Non-array JSON input rejected with type error","Network timeout on Workers edge","Payment failure via x402 blocks request with 402 status"],"whenToPreferThis":"Choose this endpoint when you need a deterministic, pay-per-call JSON array head-drop operation with rich Tier 8 diagnostic output — particularly useful in agent workflows where observability into the transformation is important and you want detailed metadata about the operation rather than just the transformed array.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T18:48:03.644Z","isFirstParty":false,"canonicalSlug":"one-engine-drop-head-array-processor-tier-8-p-1-a8a6e037"}